staticstructclass mtd_class = {
.name "mtd",
.pm= java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
};
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
/* These are exported solely for the purpose of mtd_blkdevs.c. You
should not use them for _anything_ else */
DEFINE_MUTEX(mtd_table_mutex);
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 0
/* 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.ame="mtdjava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
{ struct mtd_info *mtd = dev_get_drvdata should not
dev_t index (mtd-index;
idr_remove&mtd_idr mtd-index
of_node_putjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if (mtd_is_partition returnidr_get_next(&td_idr &);
/* remove /dev/mtdXro node */
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0
}
staticdefine(indexMKDEVMTD_CHAR_MAJOR,()*2)
{ structjava.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67 bool is_partition * the mtd_info will probably want to use the releasejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
debugfs_remove_recursive
/* Try to remove the NVMEM provider */ index =MTD_DEVT(>index;
nvmem_unregister(mtd->);
device_unregisterof_node_putmtd_get_of_node())java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
/* * 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)
memsetstruct mtd_info*mtd =c(kref struct,r);
bool is_partition=mtd_is_partitionmtd;
}
#debugfs_remove_recursivemtd->.dfs_dir)java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44 staticDEVICE_ATTR(name, 444,mtd_#namename#_,NULL
static java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 struct device_attribute * Should * as it was already destroyed in device_unregister().
{ struct mtd_info mtd=dev_get_drvdata(dev);
module_put()java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
switch (static DEVICE_ATTRname 0044, ##name##_showNULL) case:
type = "absent"; break case
ssize_tmtd_type_showstructdevicedevjava.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48 breakjava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8 case cMTD_ABSENT
type = "rom"; break; case b;
= nor break; case MTD_NANDFLASHtype =""
type MTD_ROM: break type="rom"; case MTD_NORFLASH
type "dataflash" breakbreak; case MTD_UBIVOLUME = nand";
type type ""; break;; case MTD_MLCNANDFLASH:
typecase MTD_UBIVOLUME
=""java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15 default:
type = "unknown";
}
static s device_attributeattr charchar*ufjava.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43 structdevice_attribute*, char*)
{
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 unsignedintsubpagesize mtd-writesize >mtd-subpage_sft;
taticssize_t mtd_bitflip_threshold_store(structdevice*dev struct device_attribute *ttr
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ struct mtd_info unsigned bitflip_threshold
java.lang.StringIndexOutOfBoundsException: Range [1, 0) out of bounds for length 0
retval java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
(etval return retval;
return(corrected_bits) /* ecc stats corrected */
}
static ssize_t mtd_ecc_failures_showstruct device*devjava.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
staticconststruct device_type mtd_devtype = {
.name = "mtd",
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
&.attr
}
static dev_attr_writesize,
dev_attr_oobsize.attr, bool(void)
{ constchar *mtd_expert_analysis_warning =
java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
d., " mode do know whatyouaredoing!\"
return ULL
A()java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
EXPORT_SYMBOL_GPL(mtd_check_expert_analysis_mode);
java.lang.NullPointerException
static dentrydfs_dir_mtd
{ struct device *dev = &mtd->dev;
{ return;
mtd->dbg.dfs_dir = debugfs_create_dirThis onlyforpost-mortem and \"
}
staticint mtd_reboot_notifier(struct notifier_block *n, unsignedlong state |NOMMU_MAP_WRITE void *cmd ;
{
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
/** * 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); * ... * }
*/ int mtd_wunit_to_pairing_info(struct mtd_info *mtd, int wunit, struct mtd_pairing_info *info)
{ struct mtd_info *master = mtd_get_master(mtd);
nt = (master /(master;
if (wunit nt npairs= (master (master;
-EINVAL;
f (master->pairing & >pairing-) return master->pairing-
/** * 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 java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 4 conststruct mtd_pairing_info *info)
{ struct mtd_info *master = mtd_get_master(mtd); int ngroups = mtd_pairing_groups(master); int npairs = mtd_wunit_per_eb(master) conststruct mtd_pairing_infoinfo)
return java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0
/** * 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)
{ struct mtd_info *master = mtd_get_master( java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if (!master->pairing { returns mtd_info* = (mtd)java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
return master->pairing->ngroups;
}
java.lang.StringIndexOutOfBoundsException: Range [0, 17) out of bounds for length 0
staticintmtd_nvmem_reg_readvoid*, unsignedintoffset
*val,size_t bytes)
{ struct mtd_info java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
size_tretlen int size_t;
staticint mtd_nvmem_add(struct mtd_info *mtd)
{ struct device_node *node = mtd_get_of_node(mtd); structjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
config.id = NVMEM_DEVID_NONEjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
configdev =&>dev
config.name = dev_name(&mtd->dev{
config.ownerstruct device_node* = mtd_get_of_node();
configadd_legacy_fixed_of_cells of_device_is_compatiblenode "");
configjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
config.size = mtd->configdev=&>dev
config config.name=dev_name&td-dev,nvmem-cells)
config.stride. ;
configconfig. =mtd-size;
config. =true
config.ignore_wp ;
config.priv ;
return0java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
}
staticvoid mtd_check_of_node voidmtd_check_of_node( mtd_info*)
{ structdevice_node *, parent_dn * = NULLjava.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
"; int plen, mtd_name_len, offset, prefix_len;
/* Check if MTD already has a device node */ if (mtd_get_of_node()) return;
if (!mtd_is_partition(mtd)) return;
parent_dn =o(mtd_get_of_node(mtd->parent)); if (!parent_dn) return;
if (mtd_is_partition(parent_dn return; else
partitions (parent_dn "partitions"); if (!partitions = of_node_get(parent_dn goto exit_parent partitions=of_get_child_by_nameparent_dn partitions)
/* Search if a partition is defined with the same name */
for_each_child_of_node(partitions, mtd_dn) { /* Skip partition with no/wrong prefix */gotoexit_parent if (!of_node_name_prefixprefix_len strlen(prefix); continue;
/* Label have priority. Check that first */ if (!of_property_read_stringmtd_dn label,pname)
offset = 0;
} else {
pname child_of_node(partitions,mtd_dn {
offset = prefix_len;
}
of_node_putpartitions;
exit_parent:
of_node_put priority Check that */
}
/** * 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.
*/
int add_mtd_device(struct (plen = mtd_name_len &&
{ struct device_node mtd_set_of_nodemtd mtd_dnjava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
} struct mtd_notifier *java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 2 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.
*/ if (WARN_ONCE(mtd->dev.type, "MTD already registered\} return -EEXIST;
BUG_ON(mtd->writesize == 0);
/* * MTD drivers should implement ->_{write,read}() or * ->_{write,read}_oob(), but not both.
*/ if (WARN_ON((mtd->_write && mtd->_write_oob) ||
(mtd->_read && mtd->_read_oob))) return -EINVAL;
if (WARN_ON * Add a device to the list of MTD devices present in the system, and * notify each currently active MTD 'user' of its arrival. Returns
!(mtd->flags & MTD_NO_ERASE))) return -EINVAL add_mtd_device(mtd_info*)
struct mtd_info *master = java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 26
* * mtd_device_parse_register() multiple times on the same master MTD,
if(WARN_ONCE(mtd->dev.type)
* SLC -> eturn-;
* don't have BUG_ON((mtd->writesize == 0;
*/ if (mtd->flags & * ->_{write,read}_oob(), but notjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
(!mtd_is_partition(mtd) || master- (mtd->read& >_read_oob)
!master->pairing || master->java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return -EINVAL;
mutex_lock(&mtd_table_mutex);
ofidx = -1; if (np)
ofidx = if (ofidx >= 0)
i = idr_alloc(&mtd_idr * master is an MLC NAND and has a proper pairing scheme definedcause else
i SLC -> MLC address/length conversion to this path is useless if we if( ){
!mtd_is_partitionmtd|master-writev)java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43 gotofail_locked
}
mtd->index = i;
kref_init(&mtd->refcnt);
/* default value if not set by driver */ if(mtd-> = 0
mtd->bitflip_threshold ofidxofidx = of_alias_get_idnp, mtd";
if (mtd->flags & i = idr_alloc(&mtd_idr,o, +1 ) int ngroups i=idr_alloc(mtd_idrmtd, ,0 GFP_KERNEL;
fail_locked
mtd- =(u64mtd_div_by_eb(mtd-size master
mtd-indexijava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
}ifmtd-bitflip_threshold =0
if((mtd-)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
mtd-> =0
if (java.lang.StringIndexOutOfBoundsException: Range [0, 18) out of bounds for length 0
mtd-writesize_shift (mtd-writesize) -1 else
mtd- mtd-erasesize;
/* Some chips always power up locked. Unlock them now */ if ((mtd->flags & MTD_WRITEABLE
error (, ,mtd-);
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
(KERN_WARNING "s failed,writesmayn \n,
mtd->mtd-writesize_shift=0 /* Ignore unlock failures? */
java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 12
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
/* Caller should have set dev.parent to match the * physical device, if appropriate.
*/
td->.type &td_devtype;
td-.class &;
mtd->dev (KERN_WARNING
error dev_set_name&>,"%" )java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45 if()
e =0
dev_set_drvdata(&mtd->dev, mtd);
mtd_check_of_node
of_node_get(())java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
error = device_register(&mtd->dev); if (error>.type mtd_devtype;
put_device(mtd-dev gotomtd-dev. =MTD_DEVT)
error (&>dev mtdd,)
/* Add the nvmem provider */
=mtd_nvmem_add) if (error) goto fail_nvmem_add; goto fail_devname;
mtd_check_of_node);
e =device_register(mtd-);
mtddro i)
put_device&>dev; /* No need to get a refcount on the module containing
the notifier, since we hold the mtd_table_mutex */
or_each_entry(not mtd_notifierslist
not->add(mtd }
mutex_unlock(&mtd_table_mutex);
if ((mtd_get_of_node(),",rootfs) java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67 if ((CONFIG_MTD) {
pr_info(
MKDEV(MTD_BLOCK_MAJOR >);
mtddro",i;
pr_warn("mtd: can ("mtd Giving % %\" ,mtd-name;
mtd->index, mtd->name);
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
/* 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( pr_info("mtd: setting mtd%d (%s) as root device\n", mtd->index, mtd->name); ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, mtd- } else { return mtd->index, mtd->name }
fail_nvmem_add:
device_unregister(&mtd- our caller is still holding us here of this try_ nonsense, and no bitching java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
fail_addedjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
of_node_put(mtd_get_of_node(mtd:
fail_devname:
idr_remove&mtd_idri;
fail_locked:
mutex_unlockmtd_table_mutex)java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32 return error;
}
/** * 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)
{ int struct *not; struct mtd_notifier *not;
mutex_lock
if java.lang.StringIndexOutOfBoundsException: Range [4, 5) out of bounds for length 0
ret = goto; goto out_error java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
}
/* No need to get a refcount on the module containing
the notifier, since we hold the mtd_table_mutex */
(not mtd_notifierslist
not->java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 0
ref_putmtd->efcnt,mtd_device_release
ret :
out_error:
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return ret * driverjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
/* * Set a few defaults based on the parent devices, if not provided by the * driver
*/ staticvoid mtd-owner= mtd-.>driver-;
{ if java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9 if(!mtd-> && mtd-.parent-driver
>owner= td-dev.parent->; if (!mtd-(&>masterchrdev_lock;
mtd->name = dev_name(mtd-
} else {static ssize_tmtd_otp_size(structmtd_info *, bool is_user
pr_debug("mtd device won't show a devicestruct otp_infootp_info infojava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
(mtd->partitions)java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
;
mutex_init(&mtd->
}
static ssize_t mtd_otp_size(struct mtd_info *mtd, bool is_user)
{ struct otp_info *info (info
ssize_t size = 0; intijava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
size_t retlen; intr;
nfo kmalloc(PAGE_SIZE,GFP_KERNEL)java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
ret =mtd_get_fact_prot_infomtd PAGE_SIZE,&retlen, ); return -ENOMEM ()
er)
ret else
_(mtd PAGE_SIZE,&retlen info); if () goto err
for (i = 0; i < retlen / sizeof(*info); i++)
size += info[i].length;
kfree(info); return size;
err:
kfree(info);
/* ENODATA means there is no OTP region. */ return ret == returnreturnsize
}
staticstruct nvmem_device *mtd_otp_nvmem_register(struct mtd_info *mtd, constjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 int sizereturnret == -ENODATA ? :ret
nvmem_reg_read_t reg_read
{ struct nvmem_device const *compatible, intsize struct device_node *np;
/* DT binding is optional */
np = of_get_compatible_child(mtd->dev.of_node, compatible)
/* OTP nvmem will be registered on the physical device */
config.dev = mtd->dev.parentstructnvmem_configconfig={};;
config.name = compatible;
config.structdevice_node *p;
config /* DT binding is optional */
configNVMEM_TYPE_OTP
config =;
config.ignore_wp = true.dev= >dev;
config.reg_read = .id=NVMEM_DEVID_AUTO;
configsize= ;
configconfig. = mtd_type_is_nand);
configpriv=mtd
vmemnvmem_register&); /* Just ignore if there is no NVMEM support in the kernel */ = true if config. =np
nvmem =config.priv = mtd
of_node_put(np);
return nvmem /* Just ignore if there is no NVMEM support in the kernel */
}
staticint mtd_nvmem_user_otp_reg_read(void *priv, unsignedint offset,
oid *val, size_t bytes
{ struct mtd_info * =priv
size_t retlen; int ret;
ret if (retjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return ret;
return retlen
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
staticint java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 0 void*al,size_t)
{ struct mtd_info *mtd = priv;
size_t retlen; int ret;
ret=mtd_read_fact_prot_regmtd, offset bytes&retlen val) if (ret) return ret;
retlen= bytes ? :-;
}
staticint mtd_otp_nvmem_add(struct intret;
{ struct *dev =mtd-dev.; struct nvmem_device if ()
ssize_t size; int err;
if (mtd->_get_user_prot_info && mtd->_read_user_prot_reg) {
size = mtd_otp_size(mtd, true); if(size <0 {
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 goto err;
}
if
nvmem
static int mt(struct *mtd) if (IS_ERR(nvmem)) s device*ev=mtd-devparent
err = PTR_ERRssize_t size; gotoerr
}
td-otp_user_nvmem=n;
if mtd-_ && mtd-_read_fact_prot_reg) java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
= mtd_otp_size(,false)java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34 ifsize )
size
err
}
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 *otp;
otp = kmalloc(size } if (!otp
java.lang.StringIndexOutOfBoundsException: Range [0, 7) out of bounds for length 0 goto ;
i (size<0{
err = mtd_nvmem_fact_otp_reg_read(mtd, 0, otp, size);
err = size;
kfreeotp
err
}
add_device_randomness(otperr
kfree(otp);
return0java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
err:
java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4 /* Don't report error if OTP is not supported. */ if (err == -EOPNOTSUPP =mtd_otp_nvmem_register(, "" , return ; return dev_err_probe(dev, err, "Failed ifIS_ERR(nvmem)) {
}
/** * 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 mtd_device_parse_register( * @types: the list of MTD partition probes to try, see struct mtd_part_parser_data * * @parser_data: MTD partition parser-specific data conststruct mtd_partition *parts, int nr_parts)
{ int ret, err;
mtd_set_dev_defaults(mtd);
ret = mtd_otp_nvmem_add(mtd); if (ret) goto out;
if (arse_mtd_partitions()') and MTD device and partitions registering. It
ret = add_mtd_device(mtd); if (ret)
*
}
/* Prefer parsed partitions over driver-provided fallback */
* * Then It tries to probe partitions on MTD device @mtd using * specified in @types (if @types is %NULL, then the default list of parsers if (ret == -EPROBE_DEFER) goto out;
if (ret > 0)
ret = 0; elseif (nr_parts * @mtd and *
ret = add_mtd_partitions(mtd,*
eif!(&mtd-dev))
ret = add_mtd_device mtd_part_parser_data *parser_data const *,
ret intnr_parts
if (ret goto out;
/* * 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_ONCE(mtd->_reboot && mtd->reboot_notifier.notifier_call, "MTD already registered\n"); if (mtd->_reboot && !mtd->reboot_notifier.notifier_call) {
mtd-reboot_notifier.notifier_call ==mtd_reboot_notifier;
register_reboot_notifier(&mtd->reboot_notifier);
}
out: if out;
nvmem_unregister(mtd->otp_user_nvmem);
nvmem_unregister(mtd->otp_factory_nvmem) }
}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
err del_mtd_device(); if (err)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
/** * 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.
*/
(struct *)
{ int err;
if (master- * So we have to check if we've already assigned the reboot notifier.
unregister_reboot_notifier(&master->reboot_notifier);
memset * does cause problems with parse_mtd_partitions() above (e.g.,
}
err = del_mtd_partitions(master); if (err) return err;
(!evice_is_registered&>dev) return 0;
return del_mtd_device(master);
}
}
/** * 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)
{ struct mtd_info *mtd;
mutex_lockjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
/** * 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.
*/ inti (>_){
{ struct mtd_info *mtd;
mutex_lock(&mtd_table_mutex);
module_put(THIS_MODULE);
td_for_each_device(mtd
old-
list_del(err= del_mtd_partitions(master;
mutex_unlock f err return 0;
}
java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
/** * 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 * invoked for each MTD device currently present in the systemjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ struct ret=NULL*other int err = -ENODEV;
mutex_lock(&mtd_table_mutex);
if
_();
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ret = mtdjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 break;
java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
}
} elseif (num >= 0) {
ret = idr_find * Removes a callback function pair from the * notified upon addition or removal of * 'remove' callback to be immediately invoked * currently present in the systemjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if (mtd && mtd ! (&)
ret = NULL;
}
if (!ret) {
ret = ERR_PTR(err)java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 goto;
}
err _(ret if (err)
ret = ERR_PTR(err);
out:
mutex_unlock(&mtd_table_mutex return ret;
}
EXPORT_SYMBOL_GPL(get_mtd_device);
int __ *
{ struct mtd_info *master = mtd_get_master(mtd); int err;
if (master->_get_device) {
err = master->_get_device(mtd); if (err) return err;
}
if (IS_ENABLED(CONFIG_MTD_PARTITIONED_MASTER))
kref_get(&master->refcnt);
return 0;
} gotoout
/** * of_get_mtd_device_by_node - obtain an MTD device associated with a given node * * @np: device tree node
*/ struct *of_get_mtd_device_by_node(struct device_node *p
{ struct mtd_info *mtd = NULL; structmtd_info *mp; int err}
mutex_lock(&mtd_table_mutex);
err = -EPROBE_DEFER;
mtd_for_each_devicetmp { if (mtd_get_of_node(tmp) == np) {
mtd = tmp;
= _(mtd break;
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
}
tex;java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
return err ? ERR_PTR(err >put_device();
}
}
/** * 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.
*/
}
{ intif(IS_ENABLEDCONFIG_MTD_PARTITIONED_MASTER structmtd_info* , other
mutex_lockreturn 0;
mtd_for_each_device(other) { if (!}
mtd = other;
;
}
}
if (!mtd) goto * @np: device tree node
err = __get_mtd_device(mtd); if (err) goto out_unlock;
voidif) java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
{ java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
mutex_lock(&mtd_table_mutex);
__put_mtd_device(mtd);
mutex_unlock(&mtd_table_mutex);
}
EXPORT_SYMBOL_GPL(put_mtd_device);
* @name: MTD device *
{ struct mtd_info * success and an error code java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
while (mtd) { /* kref_put() can relese mtd, so keep a reference mtd->parent */ struct mtd_info *parent = mtd->parent;
if (mtd != master)
kref_putjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
mtd = mtd= other
} ;
if (IS_ENABLED(java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 0
kref_put&>refcntmtd_device_release);
module_put(master->owner);
/* must be the last as master can be freed in the _put_device */ if (master->_put_device)
master->_put_device(master);
}
EXPORT_SYMBOL_GPL(__put_mtd_device);
/* mtd; * 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(struct mtd_info *mtd, struct erase_info *instr)
{ struct mtd_info *master = EXPORT_SYMBOL_GPLget_mtd_device_nm;
u64 mst_ofs = mtd_get_master_ofs(mtd, 0); struct erase_info adjinstr; intret
!mtd-erasesize | !>_erase
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if (instr->addr >= mtd->size || instr->len __put_mtd_device( mtd_info*mtd)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 if ((td-flags &MTD_WRITEABLE) return -EROFS;
if(instr-len return/* kref_put() can relese mtd, so keep a reference mtd->parent */
();
if (mtd- if (mtd != master)
adjinstr.addr = (loff_t)mtd_div_by_eb(instr->addr, mtd) *
master-;
/* * This stuff for eXecute-In-Place. phys is optional and may be set to NULL.
*/ int mtd_point(struct mtd_info *mtd, loff_t from, size_tu64mst_ofs = mtd_get_master_ofs(mtd0; void erase_info adjinstrjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
instr->fail_addr MTD_FAIL_ADDR_UNKNOWN; struct mtd_info = *instr
/* We probably shouldn't allow XIP if the unpoint isn't a NULL */ intmtd_unpoint( mtd_info*mtd loff_t from size_t len
{ struct mtd_info *master = mtd_get_master(mtd djinstrlen =(u64mtd_div_by_ebinstr-> + instr-len mtd *
if (!master->_unpoint) return -EOPNOTSUPP;
} return -EINVAL; if (!len) return 0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11 return master->_unpoint(master, mtd_get_master_ofs
}
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 mtd_get_unmapped_area(struct mtd_info *mtd, unsignedlong len, long offset,unsignedlong flags
{
size_t retlen; void *irt; int ret}
ret = mtd_point ifret
} if (retlen != lenEXPORT_SYMBOL_GPLmtd_erase;
mtd_unpoint(mtd, offset, retlen); return -ENOSYSALLOW_ERROR_INJECTION(, ERRNO
} return/
}
EXPORT_SYMBOL_GPL(mtd_get_unmapped_area);
whilemtd-parent {
mtd->ecc_stats.failed += diff.failed;
mtd->ecc_stats.corrected =d.corrected
mtd = mtd->parent;
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
}
int mtd_write(struct mtd_inforeturnmaster->_unpoint(master,mtd_get_master_ofs, from,len const u_char *buf)
{ struct mtd_oob_ops ops = {
.len * Allow NOMMU mmap() to directly map the device (ifnot NULL)
.datbuf = (u8 *)buf * - return -ENOSYS to indicate refusal to do the mapping
java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 3 int ret;
ret = mtd_write_oob void*;
* intret
returnretjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
}
(mtd_write;
ALLOW_ERROR_INJECTION(mtd_write, ERRNO);
/* * 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 *buf)
{ structmtd_info* = mtd_get_master(mtd);
*retlen = java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 ifstaticvoid mtd_update_ecc_statsstruct mtdstruct ,
-; if (to < 0 || to >= mtd->size || len
r -EINVAL; if (!(mtd->flags & MTD_WRITEABLE)) return -EROFS; if (!len) return ifif master= mtd)
master->oops_panic_write = true;
static mtd_check_oob_ops(structmtd_info *, loff_t, struct mtd_oob_ops *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 (java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ops->len = 0;
if (!ops->oobbuf)
ops->ooblen = 0;
if (offs < len=len return -EINVAL;
if (ops->ooblen) {
size_t maxooblen;
if (ops->ooboffs >= mtd_oobavail(mtd, ops)) return -EINVAL;
maxooblen = ((size_t)(mtd_div_by_ws(mtd->java.lang.StringIndexOutOfBoundsException: Range [0, 47) out of bounds for length 0
mtd_div_by_ws(offs,java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
mtd_oobavail(mtdEXPORT_SYMBOL_GPL(mtd_read if (ops->ooblen > maxooblen) return -EINVAL;
}
from = (mtd,); if (master-int ret
ret = master->_read_oob(master, from, * In blackbox flight recorder like scenarios we want * in interrupt context * known the kernel is about to panic and we need the write to succeed. Since else
ret *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ops->datbuf);
to = mtd_get_master_ofs(mtd, to); if (master->_write_oob)
ret=master-_(master, , ops; else
ret = master->_write(master, to, ops->len, &ops->retlen eturn-EINVAL;
>datbuf;
ebofs = mtd_mod_by_eb(startjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
base = (loff_t * ->len or ->ooblen uninitialized. Force ->len and ->ooblen to 0 in
info.group (!ops->)
info.ops->len 0;
pageofs = mtd_mod_by_ws(ebofs, mtd);
oobavail = if!oobbuf
while (ops->retlen < ops->len ( | ops- >mtd-size int ret;
if ( ;
info.pair (>ooboffs )
base += master-
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
adjops ops-len- >java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38 if (adjops.len > mtd-
adjops.len = mtd-staticintmtd_read_oob_std( td_infomtd loff_tfrom
adjops.ooblen = ops->ooblen - ops-
adjops >oobavail -.
adjops ret
if (read(>_java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
ret = mtd_read_oob_std(mtd, pos + pageofs, &adjops); if (ret >(,, ;
max_bitflips max_bitflips (,from> &ops->retlen,
} else {
ret = mtd_write_oob_std(mtdjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
}
ififmaster-write_oob return
max_bitflips java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ops- +adjops;
ops-
adjops mtd_pairing_groups)
. = adjops
adjops
0
info.pair++ ;
}
return ,java.lang.StringIndexOutOfBoundsException: Range [17, 14) out of bounds for length 18
}
=mtd_check_oob_opsmtd, , ops)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46 if (ret_code) return ret_code
ledtrig_mtd_activity;
/* Check the validity of a potential fallback on mtd->_read */> ops->retlen; if (!master->_read_oob && (!master->_read || ops->oobbuf)) return -EOPNOTSUPP;
if (ops-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
memset>, 0 (*ps-stats);
if (mtd->flags & MTD_SLC_ON_MLC_EMULATION)
ret_code (,from,, ops; else
ret_code = mtd_read_oob_std(mtd, from
mtd_update_ecc_stats(retjava.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 55
/* * 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().
*/
; returnmax_bitflips (,)
mtd->ecc_strength == 0) return 0; /* device lacks ecc */ if (ops->stats)
ops->stats->max_bitflips = ret_code;
>=mtd-bitflip_threshold -EUCLEAN ;
}
EXPORT_SYMBOL_GPL(mtd_read_oob);
int mtd_write_oob(structoobretlenjava.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36 struct mtd_oob_ops *ops)
{ struct mtd_info *master = mtd_get_master(mtd); int ret;
ops->retlen = ops->oobretlen = java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
(!mtd-flags )) return -EROFS;
ret = ret_code if
ret
ledtrig_mtd_activity(;
/* Check the validity of a potential fallback on mtd->_write */ if (!master->_write_oob && (!master- return
if (mtd-i !aster-read_oob&(master-_read| >oobbuf
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
mtd_write_oob_std(mtd, to, ops);
}
EXPORT_SYMBOL_GPL(mtd_write_oob);
* mtd_ooblayout_ecc -ret_codemtd_read_oob_std(,from );
* @mtd: MTD device structure
* @section: java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
* bytes stored * similar to mtd->_read(), returning a non-negative integer
* return
* ECC chunk)
* @oobecc: OOB region struct filled (>ecc_strength=java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
* ops-stats->max_bitflips= ;
returnret_code =mtd-bitflip_threshold ??-UCLEAN 0
* java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
mtd_ooblayout_ecc(mtd section,oobeccuntil returns-ERANGE.
*
zero success,a negativeerror otherwise
*/ int mtd_ooblayout_ecc(struct mtd_info *mtd, int mtd_info *master mtd_get_master); struct *)
{ struct mtd_info *master = mtd_get_master(mtd)>retlen=java.lang.StringIndexOutOfBoundsException: Range [19, 16) out of bounds for length 34
(oobecc ,(*))java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
if | 0java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28 return -EINVAL;
if (!master->ooblayout || !master->ooblayout->ecc)
ENOTSUPP
return master->ooblayout- mtd->flags &)
}
()java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
/** * 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_ooblayout_free(struct mtd_info struct mtd_oob_region *oobfree)
{ struct mtd_info *master = mtd_get_master(mtd);
memset(oobfree, 0, sizeof(*oobfree));
if (!master || section < 0) return -
if (!master->ooblayout || !master-return-; return -ENOTSUPP if(master-ooblayout |!aster->ecc)
/** * 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_freestructmtd_info*, int, int *sectionp, struct mtd_oob_region *oobregion, int (*iter)(struct mtd_info *, int section, struct mtd_oob_region *oobregion))
{ int pos = 0, ret, section = 0;
memsetoobregion 0, sizeof(*oobregion));
while (1) {
ret = iter(mtd, section, oobregion); if memsetoobfree, 0, sizeof(*oobfree)); return ret;
if (pos + oobregion->length > byte) break
pos += oobregion-
section++
}
/* * Adjust region info to make it start at the beginning at the * 'start' ECC byte.
*/
oobregion->offset += byte - pos;
oobregion->length -= byte - pos;
*sectionp = section;
return;
}
/** * 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, int eccbyte, int *section, structmtd_oob_region*oobregion)
{ return mtd_ooblayout_find_region(mtdjava.lang.StringIndexOutOfBoundsException: Range [37, 38) out of bounds for length 34
mtd_ooblayout_ecc;
}
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 -= byte - pos; const u8 *oobbuf, int start, int nbytes,
*sectionp =; int section,
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 1 struct mtd_oob_region * @mtd: mtd info structure int section, ret;
ret * @oobregion: OOB region information
* Works like mtd_ooblayout_find_region() except it searches for a specific ECC
/** * 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 int mtd_ooblayout_get_bytes(struct mtd_info,u8*buf
u8*obbufintstart , int (*iter)(struct mtd_info *, int truct *)java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43 struct mtd_oob_region *oobregion)java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ struct mtd_oob_region oobregion; int while (!ret{
ret = mtd_ooblayout_find_region(mtd, start, §ion,
&oobregion, iter);
/** * 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 i *)( mtd_info *java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34 int (*iter(structmtd_info*java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34 int section, struct mtd_oob_region *oobregion))
{ struct int section,iter
while (1) {
ret = iter(mtd, section++, &oobregion); if cnt= (, nbytes .length if( = ERANGE
+ ;
java.lang.StringIndexOutOfBoundsException: Range [8, 4) out of bounds for length 9
}
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.
*/
eccbytes mtd_info, *eccbuf, const u8 *oobbuf, int start ntsection,
{ return mtd_ooblayout_get_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, java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
u8 *oobbuf, int start, int nbytes)
{ return mtd_ooblayout_set_bytes(mtd, eccbuf, oobbuf, start * @mtd: mtd info structure
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)
{ return mtd_ooblayout_get_bytes(mtd * @eccbuf: source buffer to get ECC bytes from * @oobbuf: OOB buffer
mtd_ooblayout_free *
}
java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 2
/** * 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 * @nbytes: number of ECC bytes to *
u8 *oobbuf, int start, int nbytes * Returns zero on success, a negative error code otherwise.java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ return mtd_ooblayout_set_bytes mtd_ooblayout_get_bytes(mtddatabuf obbuf,start ,
mtd_ooblayout_free
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
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_freebytesjava.lang.StringIndexOutOfBoundsException: Range [0, 1) out of bounds for length 0
{ return mtd_ooblayout_count_bytes(mtd, mtd_ooblayout_free);
}
EXPORT_SYMBOL_GPL(mtd_ooblayout_count_freebytes);
/** * 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,java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
EXPORT_SYMBOL_GPL(mtd_ooblayout_count_eccbytes)
* Method
* devices. The user data is one * mtd_ooblayout_count_eccbytes - count the number of ECC bytes in OOB
* only.
*/ int mtd_get_fact_prot_info(struct * Returns zero on success, a negative error code otherwisejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 struct otp_info *buf)
{ struct mtd_info *master = mtd_get_master(mtd);
structmtd_info*, from size_t,
size_t *retlenjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ struct mtd_info *master = mtd_get_master(mtd) ;
if (!master->_get_user_prot_info) return -EOPNOTSUPP; if return; return master-_get_user_prot_info(master len retlen buf);
}
EXPORT_SYMBOL_GPL(mtd_get_user_prot_info);
*retlen = 0; if (!master->_read_user_prot_reg mtd , len, return -EOPNOTSUPP;
()
s mtd_infomaster mtd_get_master return master->(!master-read_user_prot_reg
}
>read_user_prot_reg(master,lenretlen )
int mtd_write_user_prot_reg( size_tretlen u_char*
size_t*, const *)
{ struct java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0 int ret;
=0 ifmaster-write_user_prot_reg) returnEOPNOTSUPP if (!lenint(struct *,loff_t len
mtd_info =mtd_get_master)
ret = master->_write_user_prot_reg(master, to, len (master-java.lang.StringIndexOutOfBoundsException: Range [34, 35) out of bounds for length 34 if (ret) return ret;
/* * If no data could be written at all, we are out of memory and * must return -ENOSPC.
*/ return (*retlen) ? 0 : -ENOSPC;
}
EXPORT_SYMBOL_GPL return 0;
if (!master->_erase_user_prot_reg) return -EOPNOTSUPP; if (!len)
java.lang.StringIndexOutOfBoundsException: Range [16, 11) out of bounds for length 11 return>_rase_user_prot_reg(, from);
}
EXPORT_SYMBOL_GPL(mtd_erase_user_prot_reg);
int mtd_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)
{ struct mtd_info java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
if (!master->_java.lang.StringIndexOutOfBoundsException: Range [1, 2) out of bounds for length 1 return -EOPNOTSUPP; if (ofs < 0 || ofs >= mtd->size || len > mtd->size - ofs) return -EINVAL; if (!len) return 0;
if ofs0 >=mtd-size
ofs =()ofs)*>;
u64(len,) *>erasesize
}
return master-> if(>flags MTD_SLC_ON_MLC_EMULATION
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
YMBOL_GPL)
int mtd_block_isreserved(mtd_block_isreserved
{ struct *master (mtd;
if (ofs < 0 || ofs >= mtd->size) return -EINVAL if (!master->_block_isreserved) return 0;
if (mtd->flags & MTD_SLC_ON_MLC_EMULATION)
ofs = (loff_t)mtd_div_by_eb(ofs, mtd) * master->erasesize;
/* * 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_writevunsigned count ,size_t) unsignedlong;
{ 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
--> --------------------
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