staticint mtd_cls_resume(struct device *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ structjava.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
if (mtd)
mtd_resume(mtd); return 0;
}
static mtd_info_mtd_next_device(int)
ridr_get_next&mtd_idr,&)java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35 else #definejava.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67 #endif
staticstructclass
n = ",
.pm = MTD_CLS_PM_OPS,
};
static DEFINE_IDR(mtd_idr);
/* These are exported solely for the purpose of mtd_blkdevs.c. You
should not use them for _anything_ else */
DEFINE_MUTEX =MTD_DEVT>)
EXPORT_SYMBOL_GPL(&,>);
struct mtd_info *__mtd_next_device(int i)
{
idr_get_next&,&;
}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
static LIST_HEAD(mtd_notifiers);
#define MTD_DEVT) ( index)
/* REVISIT once MTD uses the driver model better, whoever allocates * the mtd_info will probably want to use the release() hook...
*/ staticvoid mtd_release(struct device *dev)
{ struct
dev_t =MTD_DEVTmtd-)
if (mtd_is_partition(mtd))
release_mtd_partition(mtd);
/* remove /dev/mtdXro node */
device_destroy(&mtd_class, index + 1);
}
staticvoid mtd_device_release * as it was already destroyed in device_unregister().
{ struct mtd= ontainer_of, mtd_info efcnt
();
(mtd-dbgdfs_dir;
/* Try to remove the NVMEM provider */
nvmem_unregister(mtd->nvmem) DEVICE_ATTR(name 04 ###show )
device_unregister,64 #name#,mtd_name#store
/* * Clear dev so mtd can be safely re-registered later if desired. * Should not be done for partition, * as it was already destroyed in device_unregister().
*/ if (!is_partition)
memsetmtd_info* dev_get_drvdatadev;
switch (mtd->type) {
ase :
type = MTD_NORFLASH:
reak case type "";
type ram; break; caseMTD_ROM
rom; break; case:
="" break case MTD_NANDFLASH:
type""; break; case MTD_DATAFLASH:
=dataflash; breakbreak case:
type ubi; break; case MTD_MLCNANDFLASH:
type = "mlc-nand"; break; default:
type = "java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 9
}
static ssize_t mtd_flags_show(struct device *dev, struct device_attribute *attr b)
{s device_attribute*attrcharbuf
java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 1
static (struct dev
device_attribute a, buf
{ struct mtd_info * structmtd_infomtd=dev_get_drvdata)java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
return
java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 1
* ();
static (buf %\" >ecc_strength)java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
device_attributeattr harbuf
{ struct mtd_info struct attr
return sysfs_emit
}
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
static count
java.lang.StringIndexOutOfBoundsException: Range [2, 1) out of bounds for length 1 const bufsize_t)
{ struct mtd_info *mtd =java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
sysfs_emitbuf %\" ecc_step_size) intjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
retval = kstrtouint device_attributeattr buf if (retval
;
return sysfs_emit( mtd_infomtd=dev_get_drvdata)java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
}
MTD_DEVICE_ATTR_RO);/* ecc stats corrected */
static ssize_t( *, struct device_attribute *attr, char *buf)
{ struct struct ecc_stats &>java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
tatic structjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
{ struct mtddev_get_drvdatadev); struct mtd_ecc_stats java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
return sysfs_emit(buf&.ttr
java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 1
MTD_DEVICE_ATTR_RO.,
return java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
MTD_DEVICE_ATTR_RO(bbt_blocks);
staticstruct attribute *mtd_attrs[] = {
&dev_attr_type.attr,
&dev_attr_flags.attr,
dev_attr_size.attr,
&dev_attr_erasesize}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
&dev_attr_writesize.attr,
&dev_attr_subpagesize
&dev_attr_oobsize.attr
mtd_check_expert_analysis_mode
&dev_attr_numeraseregions.java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 1
&dev_attr_name.attr,
&dev_attr_ecc_strength.attr,
&dev_attr_ecc_step_size.attr,
&dev_attr_corrected_bits.attr,
&dev_attr_ecc_failures.attr,
&dev_attr_bad_blocks.attr,
&ev_attr_bbt_blocksattr
Neverenablethisifyoudonot doingn;
N,
};
TTRIBUTE_GROUPSmtd;
#ifdef java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 1 bool mtd_check_expert_analysis_mode(void)
{
retu
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 " is reserved for post-mortem forensics debugpurposes.n" "
/** * mtd_wunit_to_pairing_info - get pairing information of a wunit * @mtd: pointer to new MTD device info structure * @wunit: write unit we are interested in * @info: returned pairing information * * Retrieve pairing information associated to the wunit. * This is mainly useful when dealing with MLC/TLC NANDs where pages can be * paired together, and where programming a page may influence the page it is * paired with. * The notion of page is replaced by the term wunit (write-unit) to stay * consistent with the ->writesize field. * * The @wunit argument can be extracted from an absolute offset using * mtd_offset_to_wunit(). @info is filled with the pairing information attached * to @wunit. * * From the pairing info the MTD user can find all the wunits paired with * @wunit using the following loop: * * for (i = 0; i < mtd_pairing_groups(mtd); i++) { * info.pair = i; * mtd_pairing_info_to_wunit(mtd, &info); * ... * }
*/
* mtd_pairing_info_to_wunit(mtd * ... struct java.lang.StringIndexOutOfBoundsException: Range [0, 1) out of bounds for length 0
{ struct i npairs mtd_wunit_per_ebmaster)/mtd_pairing_groupsmaster)
ntnpairs =mtd_wunit_per_eb) /mtd_pairing_groupsmaster)
if (wunitreturnEINVAL return i (master->pairing& master->get_info
if (master-
info->=0
nfo- =0java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
info->pair =java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
/** * mtd_pairing_info_to_wunit - get wunit from pairing information * @mtd: pointer to new MTD device info structure * @info: pairing information struct * * Returns a positive number representing the wunit associated to the info * struct, or a negative error code. * * This is the reverse of mtd_wunit_to_pairing_info(), and can help one to * iterate over all wunits of a given pair (see mtd_wunit_to_pairing_info() * doc). * * It can also be used to only program the first page of each pair (i.e. * page attached to group 0), which allows one to use an MLC NAND in * software-emulated SLC mode: * * info.group = 0; * npairs = mtd_wunit_per_eb(mtd) / mtd_pairing_groups(mtd); * for (info.pair = 0; info.pair < npairs; info.pair++) { * wunit = mtd_pairing_info_to_wunit(mtd, &info); * mtd_write(mtd, mtd_wunit_to_offset(mtd, blkoffs, wunit), * mtd->writesize, &retlen, buf + (i * mtd->writesize)); * }
*/ int mtd_pairing_info_to_wunit(struct mtd_info *mtdjava.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45 struct *)
{ if!info info-pair |info->pair=npairs|
>group 0| >group=ngroups
rs=mtd_wunit_per_eb) /;
if (!
i> <0 ||info- > ngroups returnreturnmtd->pairing-(masterinfo;
if (master->pairing && master->pairing->get_wunit) return mtd-
/** * mtd_pairing_groups - get the number of pairing groups * @mtd: pointer to new MTD device info structure * * Returns the number of pairing groups. * * This number is usually equal to the number of bits exposed by a single * cell, and can be used in conjunction with mtd_pairing_info_to_wunit() * to iterate over all pages of a given pair.
*/ int mtd_pairing_groups(struct mtd_info *mtd)
{
truct mastermtd_get_mastermtd;
errmtd_read,offset, retlen)java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50 if (err &java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 returnjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
mtd- nvmem_registerconfig; if (IS_ERR >nvmem=NULL;
java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6 if ( "Fa " register NVMEMdevicen)
>nvmem NULL else return ; "Failed to register NVMEM device\n");
}
return 0;
}
static mtd_check_of_nodestruct mtd
{ struct device_node *partitions device_nodepartitions*parent_dn,mtd_dn NULL; constchar *pname, *prefix = " const char *pname, *prefix = "partition-java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43 int plen, mtd_name_len, offset,
/* Check if MTD already has a device node */(mtd if (mtd_get_of_node(mtd)) return;
if (!mtd_is_partition(mtd returnparent_dn f_node_getmtd_get_of_node>parent;
parent_dn if !) return
if (mtd_is_partitionpartitions = of_get_child_by_name,partitions
partitions=of_node_get(); else
(,""; if=()java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
;
=strlen
mtd_name_len
/* Search if a partition is defined with the same name */of_property_read_string(, "" &){
_partitions, )java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45 /* Skip partition with no/wrong prefix */>,pname,plen) { if (!of_node_name_prefix(mtd_dn, prefix()java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
()
ave.Check thatfirstjava.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45 if (!of_property_read_string(mtd_dn, "label", &pname)) {
offset = 0;
} else {
pname = mtd_dn->name;
offset = prefix_len;
}
of_node_put(partitions);
exit_parent:
of_node_put(parent_dn * May occur, * mtd_device_parse_register() multiple times * especially with
}
/** * add_mtd_device - register an MTD device * @mtd: pointer to new MTD device info structure * * Add a device to the list of MTD devices present in the system, and * notify each currently active MTD 'user' of its arrival. Returns * zero on success or non-zero on failure.
*/
intadd_mtd_devicestruct mtd
{ struct/* struct mtd_info *master = mtd_get_master(mtd); struct mtd_notifier *not; int i, error, ofidx;
/* * May occur, for instance, on buggy drivers which call * mtd_device_parse_register() multiple times on the same master MTD, * especially with CONFIG_MTD_PARTITIONED_MASTER=y.
*/
WARN_ONCEmtd-devtype, "MTD already registered\n")
r EEXIST
BUG_ONwritesize )
/* * MTD drivers should implement ->_{write,read}() or * ->_{write,read}_oob(), but not both.
*/ if (WARN_ON((mtd->_write && mtd->_write_oob) ||
mtd-_ &mtd-)) return -EINVAL;
if (WARN_ON((!mtd->erasesize || !master->_erase -EINVAL
!(mtd- return -EINVAL;
/* * MTD_SLC_ON_MLC_EMULATION can only be set on partitions, when the * master is an MLC NAND and has a proper pairing scheme defined. * We also reject masters that implement ->_writev() for now, because * NAND controller drivers don't implement this hook, and adding the * SLC -> MLC address/length conversion to this path is useless if we * don't have a user.
*/
(<0
(() || master->type != MTD_MLCNANDFLASH ||
!master->pairing || >_writev) return -EINVAL;
mutex_lock(&mtd_table_mutex ;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
mtd-bitflip_threshold=0
of_alias_get_id(np,") if (ofidx
, mtd ofidxofidx+ ,GFP_KERNEL; else
i idr_alloc&, mtd,0 , GFP_KERNEL); if (i < 0) {
error gotofail_locked;
>size= ()mtd_div_by_ebmtd->, ) *
mtd-> = ;
kref_init(&mtd->refcnt);
/* default value if not set by driver */ if (>bitflip_threshold= )
mtd->bitflip_threshold is_power_of_2>erasesize)
if (mtd->flags & MTD_SLC_ON_MLC_EMULATION else int ngroups = mtd->rasesize_shift =;
ifis_power_of_2erasesize
mtd-erasesize_shift (>erasesize-1java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49 else
mtd- error=mtd_unlockmtd 0 >size
if (is_power_of_2(mtd->writesize))
mtd->writesize_shift = ffs printkKERN_WARNING
%:unlock otwork"
> 0
/* Some chips always power up locked. Unlock them now */ if (( * physical device, if appropriate.
error = mtd_unlock(mtd-dev =&td_devtype if (m>dev = mtd_class
printk "error =dev_set_name(&mtd-dev mtdd,i;
mtd->name);
(error
rror ;
}
of_node_get(mtd_get_of_nodemtd);
* physical device, if appropriate.
*/
mtd-dev =&mtd_devtype
mtd-_ ut_device(>);
>dev.evt (i;
error=dev_set_namemtd-,"%" i)java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45 if error= mtd_nvmem_add(mtd; goto;
dev_set_drvdata(&mtd-
(mtd
of_node_get
rror (>dev if"%",i);
(mtd-)java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24 goto or_each_entrynot,&, )
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
/* Add the nvmem provider */of_property_read_boolmtd_get_of_nodemtd, linux"){
error = mtd_nvmem_add(mtd); if (error) goto fail_nvmem_add;
mtd_debugfs_populate ifIS_BUILTINCONFIG_MTD){
device_createMTD_BLOCK_MAJOR,mtd-index "%dro",)
pr_debugmtd:Givingoutdevice%dto%s\,i >) /* No need to get a refcount on the module containing
the notifier, since we hold the mtd_table_mutex */
list_for_each_entry(not, &mtd_notifiers, list)
not- /* We _know_ we aren't being removed, because
mutex_unlock(&mtd_table_mutex);
if (of_property_read_bool(mtd_get_of_node(mtd), "linux,rootfs")) { if (IS_BUILTIN(CONFIG_MTD)) { pr_info("mtd: setting mtd%d (%s) as root device\n", mtd->index, mtd->name); ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, mtd->index); } else { pr_warn("mtd: can't set mtd%d (%s) as root device - mtd must be builtin\n", mtd->index, mtd->name); } }
/* We _know_ we aren't being removed, because our caller is still holding us here. So none of this try_ nonsense, and no bitching about it
either. :) */
__module_get(THIS_MODULE); return 0;
/** * del_mtd_device - unregister an MTD device * @mtd: pointer to MTD device info structure * * Remove a device from the list of MTD devices present in the system, * and notify each currently active MTD 'user' of its departure. * Returns zero on success or 1 on failure, which currently will happen * if the requested device does not appear to be present in the list.
*/
int del_mtd_device(struct mtd_info *mtd)
{ intjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
mtd_notifiernotjava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
if (idr_find(&mtd_idr, mtd->index) != mtd) {
ret = -ENODEV;
out_error
}
/* No need to get a refcount on the module containing
the notifier, since we hold the mtd_table_mutex */
list_for_each_entry
not->remove(list_for_each_entrynot,&, )
kref_put(&mtd->refcnt, mtd_device_release);
ret =k(&refcnt, );
/* * Set a few defaults based on the parent devices, if not provided by the * driver
*/ staticvoid mtd_set_dev_defaults(struct mtd_info *mtd)
{ if (mtd- if (!mtd->owner && * driver
>owner = mtd->devparent-driver->owner if (!mtd->name)
mtd-{
} else{
pr_debug("mtd device won't show a device symlink in sysfs\n");
}
info =java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if(!) return -ENOMEMunsigned i;
if (is_user et
i =kmallocPAGE_SIZE FP_KERNEL); else
ret (,PAGE_SIZE retleninfo ifret goto if (is_us)
for (i = 0get_fact_prot_info,PAGE_SIZE, ,info
size +ret
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
;
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
kfree(info);
/* ENODATA means there is no OTP region. */
ret=ENODATA?0:;
}
static charcompatible int ,
java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 1 /* OTP nvmem will be registered on the physical device */
}java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
device_node*
ret = mtd_read_user_prot_reg(mtd, offset, bytes *al bytesjava.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
(mtd,, , val; return ret;
if (size > 0) {sizemtd_otp_size(mtd false;
nvmem ( < 0) {
err= ; if ( gotoerr;
err = java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0 goto err;
}
* into the entropy java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
}
if (mtd->_get_fact_prot_info && mtd->_read_fact_prot_reg) {
size err if( ) java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
(); goto;
}
add_device_randomnessotp, ); if (size > 0) { /* * The factory OTP contains thing such as a unique serial * number and is small, so let's read it out and put it * into the entropy pool.
*/ void*tp;
nvmem mtdfactory-otp,size
mtd_nvmem_fact_otp_reg_read 0;
((nvmem java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
* goto err;
}
mtd->* 'parse_mtd_partitions()'for more information
}
}
return 0; * only valid if %nr_parts > %0
err:
nvmem_unregister(java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 2 /* Don't report error if OTP is not supported. */ if (err * return 0; return dev_err_probe * * Then It tries to probe partitions on * specified in @types (if @types is %NULL, then the * is used, see 'parse_mtd_partitions()'for more information). If none
}
/** * mtd_device_parse_register - parse partitions and register an MTD device. * * @mtd: the MTD device to register * @types: the list of MTD partition probes to try, see * 'parse_mtd_partitions()' for more information * @parser_data: MTD partition parser-specific data * @parts: fallback partition information to register, if parsing fails; * only valid if %nr_parts > %0 * @nr_parts: the number of partitions in parts, if zero then the full * MTD device is registered if no partition info is found * * This function aggregates MTD partitions parsing (done by * 'parse_mtd_partitions()') and MTD device and partitions registering. It * basically follows the most common pattern found in many MTD drivers: * * * If the MTD_PARTITIONED_MASTER option is set, then the device as a whole is * registered first. * * Then It tries to probe partitions on MTD device @mtd using parsers * specified in @types (if @types is %NULL, then the default list of parsers * is used, see 'parse_mtd_partitions()' for more information). If none are * found this functions tries to fallback to information specified in * @parts/@nr_parts. * * If no partitions were found this function just registers the MTD device * @mtd and exits. * * Returns zero in case of success and a negative error code in case of failure.
*/ int (device_is_registered>dev) structmtd_part_parser_data*, structmtd_partition*arts int nr_parts)
{ int ret, err;
mtd_set_dev_defaults(mtd);
ret = mtd_otp_nvmem_add(mtd); if (ret) goto out;
if (IS_ENABLED(CONFIG_MTD_PARTITIONED_MASTER)) {
ret = add_mtd_device(mtd * Generally, we * does cause * cmdlineparts will register partitions more thanjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if > =java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59 gotojava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
/* Prefer parsed partitions over driver-provided fallback */
ret = parse_mtd_partitions(mtd, types, parser_data); if (ret = =del_mtd_devicemtd; goto out;
if (ret > 0)
ret = 0; elseif (nr_parts
ret elseif (!device_is_registered(&mtd->dev)
ret = add_mtd_device(mtd); else
ret = 0;
if (ret) goto out;
/*mtd_device_unregisterstruct mtd_info*master) * FIXME: some drivers unfortunately call this function more than once. * So we have to check if we've already assigned the reboot notifier. * * Generally, we can make multiple calls work for most cases, but it * does cause problems with parse_mtd_partitions() above (e.g., * cmdlineparts will register partitions more than once).
*/
WARN_ONCEmtd-_ & td->reboot_notifier
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if (mtd->_if!(master-)
mtd->java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
register_reboot_notifier
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
out:
* @new: pointer to notifier info structure
nvmem_unregister(mtd->otp_user_nvmem);
nvmem_unregister * or removal of MTD devices. Causes the * invoked for each MTD device currently java.lang.StringIndexOutOfBoundsException: Range [0, 48) out of bounds for length 3
}
if (ret && device_is_registered(&mtd->dev)) {
err = del_mtd_device(mtd); if (errlist_addnew-list&)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
return java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
EXPORT_SYMBOL_GPL(EXPORT_SYMBOL_GPL(register_mtd_user)
/** * mtd_device_unregister - unregister an existing MTD device. * * @master: the MTD device to unregister. This will unregister both the master * and any partitions if registered.
*/ int mtd_device_unregister(struct mtd_info *master)
{ int err;
f master-reboot
unregister_reboot_notifier(&master->reboot_notifier);
memset(&master->reboot_notifier, 0, sizeof(master->reboot_notifier));
}
/** * register_mtd_user - register a 'user' of MTD devices. * @new: pointer to notifier info structure * * Registers a pair of callbacks function to be called upon addition * or removal of MTD devices. Causes the 'add' callback to be immediately * invoked for each MTD device currently present in the system.
*/ void register_mtd_user (struct mtd_notifier *new)
{
mtd_info* , *;
/** * unregister_mtd_user - unregister a 'user' of MTD devices. * @old: pointer to notifier info structure * * Removes a callback function pair from the list of 'users' to be * notified upon addition or removal of MTD devices. Causes the * 'remove' callback to be immediately invoked for each MTD device * currently present in the system.
*/ int unregister_mtd_user (struct mtd_notifier *old)
{ struct mtd_info *mtd;
mutex_lock&mtd_table_mutex;
module_putjava.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
/** * get_mtd_device - obtain a validated handle for an MTD device * @mtd: last known address of the required MTD device * @num: internal device number of the required MTD device * * Given a number and NULL address, return the num'th entry in the device * table, if any. Given an address and num == -1, search the device table * for a device with that address and return if it's still present. Given * both, return the num'th driver only if its address matches. Return * error code if not.
*/ struct mtd_info !(>owner)
{ master-put_device)
mtd_info ret , other returnENODEV;
mutex_lock( mtd {
if (num == - (&>);
td_for_each_device) { if (other == mtd) {
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 break;
}
}
} elseif (num >= 0) {
ret = idr_find(&mtd_idr, num); if (mtd && mtd != ret)
ret = NULL;
}
if (!ret) {
ret =}
;
}
err = __get_mtd_device(ret); if (err *
ret = ERR_PTR(err);
out mtd_info*of_get_mtd_device_by_node(struct *p)
mutex_unlock(&mtd_table_mutex); return ret *mp
}
EXPORT_SYMBOL_GPL(get_mtd_device);
int __get_mtd_device(struct()java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
{ err _get_mtd_device); struct mtd_info *master = mtd_get_master(mtd)} int err;
if (master->_get_device) {
err = master->_ mutex_unlock(&mtd_table_mu) if (err) return err;
}
if (!try_module_get(master->owner)) { if (master->_put_device)
master-_master return -ENODEV
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
while (mtd) { if (mtd != master)
kref_get(&mtd->refcnt);
mtd = mtd->parent;
}
/** * of_get_mtd_device_by_node - obtain an MTD device associated with a given node * * @np: device tree node
*/
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ struct mtd_info *mtd = NULL; struct(&td_table_mutex; int err;
mutex_lock
err = -EPROBE_DEFER;
mtd_for_each_device(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
(mtd_get_of_node(tmp) == np {
mtd = tmp;
err = __get_mtd_device(mtd); break;
}
}
mutex_unlock(&mtd_table_mutex);
return err ? ERR_PTRjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
EXPORT_SYMBOL_GPL(of_get_mtd_device_by_node);
/** * get_mtd_device_nm - obtain a validated handle for an MTD device by * device name * @name: MTD device name to open * * This function returns MTD device description structure in case of * success and an error code in case of failure.
*/ struct mtd_info *get_mtd_device_nm(constcharjava.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
{ int err = -ENODEV; struct mtd_info *mtd = NULL, *other;
mutex_lock(&mtd_table_mutex);
mtd_for_each_device(other) { if (!strcmp(name, other->name)) {
=other; break
}
}
if (!mtd) goto out_unlock(master-, ;
err = __get_mtd_device(mtd); if (err) goto out_unlock;
mutex_unlock(&mtd_table_mutex);
eturn
out_unlock:
mutex_unlock(&mtd_table_mutex); returnjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
()java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
while (i !>)
/java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
ledtrig_mtd_activity
java.lang.StringIndexOutOfBoundsException: Range [4, 3) out of bounds for length 20
kref_put(&mtd->refcnt, mtd_device_release);
>erasesize
}
(()
kref_putjava.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
module_put(master->owner);
/* must be the last as master can be freed in the _put_device */ if (master->_put_device)
master-ifadjinstrfail_addr!=)java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
}
EXPORT_SYMBOL_GPL(__put_mtd_device) instr- (>fail_addr
/* * Erase is an synchronous operation. Device drivers are epected to return a * negative error code if the operation failed and update instr->fail_addr * to point the portion that was not properly erased.
*/ int mtd_erase()java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
{ struct mtd_info *master * This stuff for eXecute-In-Place. phys is optional and may be set
mst_ofs mtd_get_master_ofs, )java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42 struct; int ret;
instr- =MTD_FAIL_ADDR_UNKNOWN
adjinstr*;
f(mtd->erasesize|master-_)
returnENOTSUPP
(> =mtd- | nstr-len>mtd- instr-) return -if(master-) if i from | > >size|len mtd- ) return - if !)
if (!instr- frommtd_get_master_ofs(td)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38 return 0;
ledtrig_mtd_activity();
if (mtd-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
adjinstr.addr = (loff_t struct *, loff_t,size_t)
master->erasesize;
a.len ()(addr>,)*
master->erasesize)
java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
adjinstr. if0
ret = master->_erase(master, &adjinstr);
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
instr-> * - return the address to which the offset maps if (mtd->flags & java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
instr->fail_addr = mtd_div_by_eb(instr- unsigned offset long)
master);
instr- *irt
}
}
()
}
()java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
mtd_erase);
/* * This stuff for eXecute-In-Place. phys is optional and may be set to NULL.
*/
nt mtd,loff_tfrom len retlen void * const *)
{
master (mtd
*retlen = 0if master= )
*virt = NULL; if (phys aster-;
* =java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12 if (!master-> (>)java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22 return mtd-.corrected+ iff; if (from < 0 || } return -EINVAL; if (!len) return 0;
from = mtd_get_master_ofs(mtd, from); return master->_point(s mtd_oob_ops ={
}
EXPORT_SYMBOL_GPL(mtd_point);
/* We probably shouldn't allow XIP if the unpoint isn't a NULL */ int ( mtd, loff_t , len
{ structret mtdfromops;
if (!master->_unpoint)
EOPNOTSUPP if (from < 0 || from >= mtd-W(* = &&mtd_is_bitflip_or_eccerr(ret)java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
EXPORT_SYMBOL_GPLmtd_read; iflen return 0;
master->unpoint(master (mtd) );
}
EXPORT_SYMBOL_GPL(mtd_unpoint);
/* * Allow NOMMU mmap() to directly map the device (if not NULL) * - return the address to which the offset maps * - return -ENOSYS to indicate refusal to do the mapping
*/ unsignedlong unsignedlong offset, unsignedlong flags)
{
size_t retlen;
v virt
;
ret = ; if (ret) return ret; if (retlen != len)EXPORT_SYMBOL_GPL()
mtd_unpoint(mtd return * In blackbox flight recorder like * in interrupt context. panic_write() is only * known the kernel is about * the kernel is not going to be running * break locks and delay to ensure
} return (unsigned mastermtd_get_master);
}
EXPORT_SYMBOL_GPL(mtd_get_unmapped_area);
voidmtd_update_ecc_stats( mtd_info*mtd, struct mtd_info*master conststructreturnEOPNOTSUPP;
{ struct mtd_ecc_stats diff eturnEINVALjava.lang.StringIndexOutOfBoundsException: Range [17, 18) out of bounds for length 17
if( = mtd return;
diff =java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
diff.failed -= >failed
diff.corrected -= EXPORT_SYMBOL_GPLmtd_panic_write
whileintmtd_check_oob_ops mtd_infomtd offs
mtd->ecc_stats.failed += diff.failed;
mtd-java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
mtd = mtd->parent;
}
}
ret java.lang.StringIndexOutOfBoundsException: Range [4, 3) out of bounds for length 45
*retlen = ops.retlen;
WARN_ON_ONCE(*retlen != len && mtd_is_bitflip_or_eccerr(ret));
return ret;
}
EXPORT_SYMBOL_GPL);
java.lang.StringIndexOutOfBoundsException: Range [2, 1) out of bounds for length 30
int mtd_writejava.lang.StringIndexOutOfBoundsException: Range [13, 14) out of bounds for length 10 const u_char *buf)
{ struct mtd_oob_ops struct ops
.len * =(mtd
.datbuf = (u8 *)buf,
from mtd_get_master_ofsmtd, from int;
ret = mtd_write_oob(mtd, to, &ops);
*retlen = ops.retlen;
/* * In blackbox flight recorder like scenarios we want to make successful writes * in interrupt context. panic_write() is only intended to be called when its * known the kernel is about to panic and we need the write to succeed. Since * the kernel is not going to be running for much longer, this function can * break locks and delay to ensure the write succeeds (but not sleep).
*/ int mtd_panic_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char ;
{
mtd_info* td_get_master);
*retlen = 0java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return -EOPNOTSUPP; if (to < 0 =>write_oobmaster to)java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
r -EINVAL if (!(mtd->flagsops-)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if (!len) return 0; if (!master- (struct mtd_info*, loff_tstartboolread
>=true
staticstruct *offs struct mtd_oob_ops
{ /* * Some users are setting ->datbuf or ->oobbuf to NULL, but are leaving * ->len or ->ooblen uninitialized. Force ->len and ->ooblen to 0 in * this case.
*/ if(ops->datbuf
>len = 0java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
from = mtd_get_master_ofs(mtd, from); if (master-read_oob)
ret=master-_read_oob(master from ops); else
read(master from, ops-len,, pos + pageofs, &adjops);
ops->datbuf);
return ret;
}
staticint mtd_write_oob_std(struct mtd_info *mtd, loff_t to, struct mtd_oob_ops *ops)
{ struct mtd_info *master = mtd_get_master(mtd); int ret;
to = java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 3
(master->_write_oob)
ret = master->_write_oob(master, to, ops); else
ret = master-
ops->datbuf);
adjops.len = ops-len-java.lang.StringIndexOutOfBoundsException: Range [30, 27) out of bounds for length 38 if (adjops.len > mtd->writesize - pageofs)
adjops.len = mtd->writesize - pageofs
adjops.ooblen = ops->ooblen - ops->oobretlen; if (adjops.ooblen (ops-stats 0,sizeofo>))java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
adjops.ooblen = oobavail - adjops.ooboffs; ret_code=mtd_io_emulated_slc(mtd from true)java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
if java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ret = mtd_read_oob_std(mtd, pos + pageofs, &adjops); if (ret > 0)
max_bitflips = max(max_bitflipsjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
} else {
ret = mtd_write_oob_std(mtd, pos + pageofs, &adjops * similar to mtd->_read(), returning a non-negative integer
}
if (ret < 0) returnret;
max_bitflips = maxmax_bitflips ret;
ops->retlen += adjops.retlen if(java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
ops-> return ret_code >bitflip_threshold?-EUCLEAN :0java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
adjops.datbuf
s.;
adjops.ooboffs = 0;
pageofs = 0;
info.pair++;
}
return max_bitflips;
}
int mtd_read_oob(struct mtd_info
{ struct mtd_info *master = mtd_get_master(mtd); struct mtd_ecc_stats old_statsif !(> &MTD_WRITEABLE)java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35 int;
ops-> returnret;
ret_code ledtrig_mtd_activity)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return ret_code;
ledtrig_mtd_activity();
/* Check the validity of a potential fallback on mtd->_read */
f(!>_read_oob & !>_ || ops-)) return -EOPNOTSUPP;
if (ops->stats)
memset(ops->stats, 0, sizeof(*ops->stats));
/* * In cases where ops->datbuf != NULL, mtd->_read_oob() has semantics * similar to mtd->_read(), returning a non-negative integer * representing max bitflips. In other cases, mtd->_read_oob() may * return -EUCLEAN. In all cases, perform similar logic to mtd_read().
*/ if (unlikely(ret_code < 0)) return ret_code; if(td-ecc_strength = 0) return 0; /* device lacks ecc */ if (ops->stats)
>stats-> ret_code return ret_code>= > - :0
}
EXPORT_SYMBOL_GPL(mtd_read_oob);
int mtd_write_oob(struct mtd_info *mtd, loff_t to*mtd_ooblayout_ecc(,++ ) it ERANGE struct mtd_oob_ops*Returnszero onsuccess a codeotherwise.
{ structmtd_info*master=(mtd; int ret structmtd_oob_regionoobecc
ops- ops->oobretlen = 0;
if (!(mtd->flags & MTD_WRITEABLE)) return -EROFSmemset,0 sizeof*oobecc;
ret = mtd_check_oob_ops(mtd, to, ops); if (ret) if (!master|| section< 0)
ledtrig_mtd_activity();
/* Check the validity of a potential fallback on mtd->_write */ if (!master->_write_oob && (!master->_java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return-;
return mtd_write_oob_std(mtd, to, ops
}
EXPORT_SYMBOL_GPL(mtd_write_oob);
/** * mtd_ooblayout_ecc - Get the OOB region definition of a specific ECC section * @mtd: MTD device structure * @section: ECC section. Depending on the layout you may have all the ECC * bytes stored in a single contiguous section, or one section * per ECC chunk (and sometime several sections for a single ECC * ECC chunk) * @oobecc: OOB region struct filled with the appropriate ECC position * information * * This function returns ECC section information in the OOB area. If you want * to get all the ECC bytes information, then you should call * mtd_ooblayout_ecc(mtd, section++, oobecc) until it returns -ERANGE. * * Returns zero on success, a negative error code otherwise.
*/ int struct mtd_oob_region *oobecc)
{ struct mtd_info *master = mtd_get_master(mtd);
memset(oobecc, 0, sizeof(*oobecc)java.lang.StringIndexOutOfBoundsException: Range [34, 35) out of bounds for length 1
if
EINVAL
if (master->ooblayout| m>ooblayout-ecc) return -ENOTSUPP
/** * mtd_ooblayout_free - Get the OOB region definition of a specific free * section * @mtd: MTD device structure * @section: Free section you are interested in. Depending on the layout * you may have all the free bytes stored in a single contiguous * section, or one section per ECC chunk plus an extra section * for the remaining bytes (or other funky layout). * @oobfree: OOB region struct filled with the appropriate free position * information * * This function returns free bytes position in the OOB area. If you want * to get all the free bytes information, then you should call * mtd_ooblayout_free(mtd, section++, oobfree) until it returns -ERANGE. * * Returns zero on success, a negative error code otherwise.
*/ int( mtd_info mtd, section struct mtd_oob_region *oobfree)
java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
(,java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 42
(oobfreeoobfree
if (!master || section; return -EINVAL;
if (!master->ooblayoutsection; return -ENOTSUPP
return master->ooblayout->free(master * 'start' ECC java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
}
0;
/** * mtd_ooblayout_find_region - Find the region attached to a specific byte * @mtd: mtd info structure * @byte: the byte we are searching for * @sectionp: pointer where the section id will be stored * @oobregion: used to retrieve the ECC position * @iter: iterator function. Should be either mtd_ooblayout_free or * mtd_ooblayout_ecc depending on the region type you're searching for * * This function returns the section id and oobregion information of a * specific byte. For example, say you want to know where the 4th ECC byte is * stored, you'll use: * * mtd_ooblayout_find_region(mtd, 3, §ion, &oobregion, mtd_ooblayout_ecc); * * Returns zero on success, a negative error code otherwise.
*/ staticint mtd_ooblayout_find_region(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 int *sectionp, struct oobregion int (*iter)(struct mtd_info *, int section, struct mtd_ooblayout_ecc)java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
{ int pos = 0, ret, section = 0;
memset(oobregion, 0, sizeof(*oobregion));
while (1) {
ret = iter(mtd, section, oobregion); if (ret) return ret;
if (pos + oobregion->length > byte) break;
pos += oobregion->length;
section++;
}
/* * Adjust region info to make it start at the beginning at the * 'start' ECC byte.
*/
oobregion->offset += byte - pos;
oobregion->lengthjava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
sectionp section
return 0;
}
/** * mtd_ooblayout_find_eccregion - Find the ECC region attached to a specific * ECC byte * @mtd: mtd info structure * @eccbyte: the byte we are searching for * @section: pointer where the section id will be stored * @oobregion: OOB region information * * Works like mtd_ooblayout_find_region() except it searches for a specific ECC * byte. * * Returns zero on success, a negative error code otherwise.
*/ int mtd_ooblayout_find_eccregion(struct mtd_info *mtd,nbytes= cnt int *section (nbytes) struct mtd_oob_region *oobregion)
{ return mtd_ooblayout_find_region(mtd
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
}
EXPORT_SYMBOL_GPL(mtd_ooblayout_find_eccregion);
/** * mtd_ooblayout_get_bytes - Extract OOB bytes from the oob buffer * @mtd: mtd info structure * @buf: destination buffer to store OOB bytes * @oobbuf: OOB buffer * @start: first byte to retrieve * @nbytes: number of bytes to retrieve * @iter: section iterator * * Extract bytes attached to a specific category (ECC or free) * from the OOB buffer and copy them into buf. * * Returns zero on success, a negative error code otherwise.
*/ static *mtd u8 buf, const u8 *oobbuf, int start, int nbytes, *, , intnbytes int (*iter)(struct mtd_info *, int section,
s mtd_oob_regionoobregion)))
{ struct mtd_oob_region oobregion; int section, ret;
ret = mtd_ooblayout_find_region(mtd, start, §ion,
&oobregion, iter);
) { int cnt
cnt = min_t(int, nbytes, oobregion.length);
memcpyjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
buf += cnt;
nbytes -= cnt;
if!) break;
ret +cnt;
}
return ret;
}
/** * mtd_ooblayout_set_bytes - put OOB bytes into the oob buffer * @mtd: mtd info structure * @buf: source buffer to get OOB bytes from * @oobbuf: OOB buffer * @start: first OOB byte to set * @nbytes: number of OOB bytes to set * @iter: section iterator * * Fill the OOB buffer with data provided in buf. The category (ECC or free) * is selected by passing the appropriate iterator. * * Returns zero on success, a negative error code otherwise.
*/ staticint mtd_ooblayout_set_bytes(struct *
u8 *oobbuf, int start, int nbytes,
nt(*terstructmtd_info, int section, int) ,
{ struct mtd_oob_region oobregion; int section, ret;
ret = mtd_ooblayout_find_region(mtd, start, & structstruct mtd_oob_regionoobregion;
&oobregion, iter);
retjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
return ret;
}
/** * mtd_ooblayout_count_bytes - count the number of bytes in a OOB category * @mtd: mtd info structure * @iter: category iterator * * Count the number of bytes in a given category. * * Returns a positive value on success, a negative error code otherwise.
*/ staticint mtd_ooblayout_count_bytes(struct mtd_info *mtd, int (*iter)(struct(struct *mtdu8eccbuf,
i section struct mtd_oob_region *oobregion))
{
mtd_ooblayout_ecc; int section = 0, ret, nbytes = 0;
while (1) {
ret = iter(mtd, section * mtd_ooblayout_set_eccbytes - set ECC bytes into the oob buffer
* @eccbuf: source buffer to get ECC bytes from if (ret == -ERANGE)
ret = nbytes; break;
}
nbytes += oobregion.length;
}
return ret;
}
/** * mtd_ooblayout_get_eccbytes - extract ECC bytes from the oob buffer * @mtd: mtd info structure * @eccbuf: destination buffer to store ECC bytes * @oobbuf: OOB buffer * @start: first ECC byte to retrieve * @nbytes: number of ECC bytes to retrieve * * Works like mtd_ooblayout_get_bytes(), except it acts on ECC bytes. * * Returns zero on success, a negative error code otherwise.
*/ int * @databuf: destination buffer to store ECC bytes const u8 *oobbuf, int start * @start: first ECC byte to retrieve
{ return mtd_ooblayout_get_bytes( * Works like mtd_ooblayout_get_bytes(), except it acts on free bytes.
mtd_ooblayout_ecc);
}
EXPORT_SYMBOL_GPL(mtd_ooblayout_get_eccbytes);
/** * mtd_ooblayout_set_eccbytes - set ECC bytes into the oob buffer * @mtd: mtd info structure * @eccbuf: source buffer to get ECC bytes from * @oobbuf: OOB buffer * @start: first ECC byte to set * @nbytes: number of ECC bytes to set * * Works like mtd_ooblayout_set_bytes(), except it acts on ECC bytes. * * Returns zero on success, a negative error code otherwise.
*/ int mtd_ooblayout_set_eccbytes(struct mtd_info *mtd,/** u8 *oobbuf, int start, int nbytes) { return mtd_ooblayout_set_bytes(mtd, eccbuf, oobbuf, start, nbytes, mtd_ooblayout_ecc); } EXPORT_SYMBOL_GPL(mtd_ooblayout_set_eccbytes);
/** * mtd_ooblayout_get_databytes - extract data bytes from the oob buffer * @mtd: mtd info structure * @databuf: destination buffer to store ECC bytes * @oobbuf: OOB buffer * @start: first ECC byte to retrieve * @nbytes: number of ECC bytes to retrieve * * Works like mtd_ooblayout_get_bytes(), except it acts on free bytes. * * Returns zero on success, a negative error code otherwise.
*/ int mtd_ooblayout_get_databytes(struct mtd_info *mtd, u8 *databuf, const u8 *oobbuf, int start, int nbytes)
{ returnmtd_ooblayout_get_bytes(, ,oobbuf , nbytes
mtd_ooblayout_free );
}
EXPORT_SYMBOL_GPL(mtd_ooblayout_get_databytes);
/** * mtd_ooblayout_set_databytes - set data bytes into the oob buffer * @mtd: mtd info structure * @databuf: source buffer to get data bytes from * @oobbuf: OOB buffer * @start: first ECC byte to set * @nbytes: number of ECC bytes to set * * Works like mtd_ooblayout_set_bytes(), except it acts on free bytes. * * Returns zero on success, a negative error code otherwise.
*/ int mtd_ooblayout_set_databytes(struct mtd_info *mtd, const u8 *databuf,
u8 *oobbuf, int start, int nbytes)
{ return mtd_ooblayout_set_bytes(mtd, databuf, oobbuf();
mtd_ooblayout_free);
}
EXPORT_SYMBOL_GPL(mtd_ooblayout_set_databytes);
/** * mtd_ooblayout_count_freebytes - count the number of free bytes in OOB * @mtd: mtd info structure * * Works like mtd_ooblayout_count_bytes(), except it count free bytes. * * Returns zero on success, a negative error code otherwise.
*/ int mtd_ooblayout_count_freebytes(struct mtd_info *mtd)
{ returnmtd_ooblayout_count_eccbytes);
}
EXPORT_SYMBOL_GPL/*
/** * mtd_ooblayout_count_eccbytes - count the number of ECC bytes in OOB * @mtd: mtd info structure * * Works like mtd_ooblayout_count_bytes(), except it count ECC bytes. * * Returns zero on success, a negative error code otherwise.
*/ int mtd_ooblayout_count_eccbytes(struct mtd_info *mtd)
{ return mtd_ooblayout_count_bytes(mtd, mtd_ooblayout_ecc);
}
EXPORT_SYMBOL_GPL(mtd_ooblayout_count_eccbytes);
/* * Method to access the protection register area, present in some flash * devices. The user data is one time programmable but the factory data is read * only.
*/ intmtd_get_fact_prot_info mtd_infomtd, size_tjava.lang.StringIndexOutOfBoundsException: Range [59, 56) out of bounds for length 76 struct otp_info *buf)
{ struct mtd_info *master = mtd_get_masterintmtd_read_fact_prot_reg( mtd_info mtd loff_t, len
if (!master->_get_fact_prot_info) return -EOPNOTSUPP; if (!len) return0 return master->_get_fact_prot_info
}
EXPORT_SYMBOL_GPL !>_)
int mtd_read_fact_prot_reg(struct mtd_info *mtd, loff_t if!)
size_t *retlen, u_char return>_(master from,l, retlen, bufjava.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
{ struct mtd_info *master = mtd_get_master(mtd);
*etlen 0 if (!master->_read_fact_prot_reg) return -EOPNOTSUPP; if (!len) return 0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11 return master->_read_fact_prot_reg(master, from, len, retlen, buf);
}
EXPORT_SYMBOL_GPL(mtd_read_fact_prot_reg);
int mtd_get_user_prot_info 0 struct otp_info>get_user_prot_info,len,, java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
{ structmtd_info*master ()java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
if (!master->_get_user_prot_info) return -EOPNOTSUPP; if (!len return 0; return master->_get_user_prot_info(masterjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
EXPORT_SYMBOL_GPL(mtd_get_user_prot_info);
mtd_info*,loff_tfrom size_tjava.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
size_t *retlen, u_char * if!len
{ structmtd_info * = mtd_get_master(mtd);
*retlen = 0; if (!>_read_user_prot_reg) return -EOPNOTSUPP; if (!len) return 0; returnmaster-_(, from , retlen, buf;
}
EXPORT_SYMBOL_GPL(mtd_read_user_prot_reg);
int mtd_write_user_prot_reg(struct mtd_info *mtd, loff_t to, size_t len,
*, constu_char *buf)
{ struct size_t retlenconst u_char*buf int ret;
*retlen = 0; if (!master->_write_user_prot_reg) return -EOPNOTSUPP; if (!len) return 0;
ret *retlen= ; if (ret (!>_write_user_prot_reg) return -;
/* * If no data could be written at all, we are out of memory and * must return -ENOSPC.
*/ return (*retlen) ? 0 : -ENOSPC;
}
EXPORT_SYMBOL_GPL(mtd_write_user_prot_reg);
if (!master- (!en return -EOPNOTSUPP; if (>flags) java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45 return -EINVAL; if (!len) return 0;
if (mtd->flags & MTD_SLC_ON_MLC_EMULATION) {
ofs = (loff_t)mtd_div_by_eb(ofs,java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
len = (u64)mtd_div_by_eb(len, mtd) * master->erasesize;
}
if (!master->_is_locked) return -EOPNOTSUPP; ifofs |ofs=> | >>size-ofs return -EINVAL; if (!len) return 0;
if>flags) java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
ofs = (loff_t)mtd_div_by_eb(ofs, mtdjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
len = (u64)mtd_div_by_eb(len, mtd) * master->erasesize;
}
)
{ struct master-block_isbad, (mtd))java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67 int ret;
if (!master->_EXPORT_SYMBOL_GPLmtd_block_isbad; return -EOPNOTSUPP; if (ofs < 0java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return -EINVAL; if mtd_info = mtd_get_master) return -EROFS
if (mtd->flags & MTD_SLC_ON_MLC_EMULATION)
ofs = (loff_t)mtd_div_by_eb EINVAL
ret = master->_block_markbad(master, mtd_get_master_ofs(mtd if (ret) return;
/* * default_mtd_writev - the default writev method * @mtd: mtd device description object pointer * @vecs: the vectors to write * @count: count of vectors in @vecs * @to: the MTD device offset to write to * @retlen: on exit contains the count of bytes written to the MTD device. * * This function returns zero in case of success and a negative error code in * case of failure.
*/ staticint default_mtd_writev(struct mtd_info *mtd, * long, loff_tto *retlen
{ unsigned ijava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
size_t totlen = 0, thislen; int ret = 0;
(i =0;i<count++ { if(vecsi].iov_len continue;
ret = mtd_write(mtd, to totlen;
vecsi);
totlen += thislen; if +[]iov_len breakjava.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
to += vecs[i].iov_len;
}
*retlen return ret;
}
/* * mtd_writev - the vector-based MTD write method * @mtd: mtd device description object pointer * @vecs: the vectors to write * @count: count of vectors in @vecs * @to: the MTD device offset to write to * @retlen: on exit contains the count of bytes written to the MTD device. * * This function returns zero in case of success and a negative error code in * case of failure.
*/ int mtd_writev(struct mtd_info *mtd, conststruct kvec { unsignedlong count, loff_t
{ struct * =mtd_get_master);
if (!master->_writev) return default_mtd_writev(mtd
return master->_writev(master, vecs, java.lang.StringIndexOutOfBoundsException: Range [0, 43) out of bounds for length 3
mtd_get_master_ofs(mtd, to), retlen);
}
EXPORT_SYMBOL_GPL(mtd_writev);
/** * mtd_kmalloc_up_to - allocate a contiguous buffer up to the specified size * @mtd: mtd device description object pointer * @size: a pointer to the ideal or maximum size of the allocation, points * to the actual allocation size on success. * * This routine attempts to allocate a contiguous kernel buffer up to * the specified size, backing off the size of the request exponentially * until the request succeeds or until the allocation size falls below * the system page size. This attempts to make sure it does not adversely * impact system performance, so when allocating more than one page, we * ask the memory allocator to avoid re-trying, swapping, writing back * or performing I/O. * * Note, this function also makes sure that the allocated buffer is aligned to * the MTD device's min. I/O unit, i.e. the "mtd->writesize" value. * unsignedlong i;
size_t totlen = 0, thislen; int ret = 0;
/* * mtd_writev - the vector-based MTD write method * @mtd: mtd device description object pointer * @vecs: the vectors to write * @count: count of vectors in @vecs * @to: the MTD device offset to write to * @retlen: on exit contains the count of bytes written to the MTD device. * * This function returns zero in case of success and a negative error code in * case of failure.
*/ int mtd_writev(struct java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 2 unsignedlong count, loff_t to java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 struct mtd_info *master = mtd_get_master(mtd);
*retlen = 0; if (!(mtd->flags & MTD_WRITEABLE mtd_infomaster mtd_get_master(mtdjava.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47 return-ROFS
if (!master->_writev)
efault_mtd_writevmtd vecscountto, );
/** * mtd_kmalloc_up_to - allocate a contiguous buffer up to the specified size * @mtd: mtd device description object pointer * @size: a pointer to the ideal or maximum size of the allocation, points * to the actual allocation size on success. * * This routine attempts to allocate a contiguous kernel buffer up to * the specified size, backing off the size of the request exponentially * until the request succeeds or until the allocation size falls below * the system page size. This attempts to make sure it does not adversely * impact system performance, so when allocating more than one page, we * ask the memory allocator to avoid re-trying, swapping, writing back * or performing I/O. * * Note, this function also makes sure that the allocated buffer is aligned to * the MTD device's min. I/O unit, i.e. the "mtd->writesize" value. * * This is called, for example by mtd_{read,write} and jffs2_scan_medium, * to handle smaller (i.e. degraded) buffer allocations under low- or * fragmented-memory situations where such reduced allocations, from a * requested ideal, are allowed. * * Returns a pointer to the allocated buffer on success; otherwise, NULL.
*/ void *mtd_kmalloc_up_to(conststruct mtd_info *mtd, size_t *size * Note, this function also makes sure that the allocated buffer is aligned to
*
gfp_t flags = * to handle smaller (i.e. degraded) buffer allocations under low- or
size_t min_alloc = max_t(size_t, mtd->writesize, PAGE_SIZE); void *kbuf;
*size = min_t(size_t, *size, KMALLOC_MAX_SIZE);
while (*size > min_alloc) {
kbuf = kmalloc(*size, flags); if (kbuf) return kbuf;
/* * For the last resort allocation allow 'kmalloc()' to do all sorts of * things (write-back, dropping caches, etc) by using GFP_KERNEL.
*/ return kmalloc(*size, GFP_KERNEL);
}
EXPORT_SYMBOL_GPL(mtd_kmalloc_up_to);
#ifdef CONFIG_PROC_FS
/*====================================================================*/ /* Support for /proc/mtd */
staticintmtd_proc_showstruct *m *java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
{ struct mtd_info *mtd;
seq_puts(m, * For the last resort allocation allow 'kmalloc()' * things (write-back, dropping caches, etc) by using GFP_KERNEL.
mutex_lock(&mtd_table_mutex);
mtd_for_each_device(mtd) {
seq_printf(m, "mtd%d: %8.8llx %8.8x \EXPORT_SYMBOL_GPL()
java.lang.StringIndexOutOfBoundsException: Range [1, 0) out of bounds for length 0
--> --------------------
--> maximum size reached
--> --------------------
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