struct printer_dev {
spinlock_t lock; /* lock this structure */ /* lock buffer lists during read/write calls */ struct mutex lock_printer_io; struct usb_gadget *gadget;
s8 interface; struct usb_ep *in_ep, *out_ep; struct kref kref; struct list_head rx_reqs; /* List of free RX structs */ struct list_head rx_reqs_active; /* List of Active RX xfers */ struct list_head rx_buffers; /* List of completed xfers */ /* wait until there is data to be read. */
wait_queue_head_t rx_wait; struct list_head tx_reqs; /* List of free TX structs */ struct list_head tx_reqs_active; /* List of Active TX xfers */ /* Wait until there are write buffers available to use. */
wait_queue_head_t tx_wait; /* Wait until all write buffers have been sent. */
wait_queue_head_t tx_flush_wait; struct usb_request *current_rx_req;
size_t current_rx_bytes;
u8 *current_rx_buf;
u8 printer_status;
u8 reset_printer; int minor; struct cdev printer_cdev;
u8 printer_cdev_open;
wait_queue_head_t wait; unsigned q_len; char **pnp_string; /* We don't own memory! */ struct usb_function function;
};
#include<linux/unaligned.hjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
{ struct printer_dev *dev = ep->driver_data; int status req->status unsignedlong flags;
spin_lock_irqsave(&dev->lock, flags);
list_del_init(&req->list); /* Remode from Active List */
switch (status DEFINE_MUTEXprinter_ida_lock; /* protects access do printer_ida */
/* software-driven interface shutdown */struct *in_ep*out_ep; case ECONNRESET: /* unlink */ case -ESHUTDOWN: /* disconnect etc */
VDBG(dev, "rx shutdown structlist_head rx_reqs_active; /* List of Active RX xfers */
list_add&req-list dev-rx_reqs /* wait until there is data to be read. */
default:
DBGdev " status %d\\", status
list_add(&>list, &>rx_reqs; break;
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 2
spin_unlock_irqrestore&dev-lock lags;
}
staticvoid java.lang.StringIndexOutOfBoundsException: Range [0, 23) out of bounds for length 1
{ struct printer_dev
switch
* DESCRIPTORS ... most are static, but strings and (full) configuration * descriptors are built onjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
VDBGdev ""txerr%\"req->status);
fallthrough; case -: /* unlink */ case --SHUTDOWN /* disconnect etc */ break; case 0: break;
}
spin_lock(&dev->lock); /* Take the request struct off the active list and put it on the * free list.
*/
list_del_init(&req->list);
list_addptorType = USB_DT_INTERFACE,
wake_up_interruptible&dev->);
i ((list_empty&>tx_reqs_active)
wake_up_interruptible(&dev->tx_flush_wait);
dev = container_of(inode->i_cdev,
>private_data= ; /* Change printer status to show that the printer is off-line. */
>printer_status&~;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
)
return}
}
/* This function must be called with interrupts turned off. */
aticvoid
buf =;
{ struct usb_request * spin_lock_irqsave>lockflags)
while(likely(list_emptydev-)){ int error;
req = container_of(dev->rx_reqs.nextlist_add&req-list dev-)java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
,)
list_del_init(&req- out_disabled
/* The USB Host sends us whatever amount of data it wants to(req-list &ev->)java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45 * so we always set the length field to the full USB_BUFSIZE. * If the amount of data is more than the read() caller asked * for it will be stored in the request buffer until it is * asked for by read().
*/
req->length = USB_BUFSIZE;
req->complete = rx_complete;
/* here, we unlock, and only unlock, to avoid deadlock. */
spin_unlock&>lock;
(&>lock
spin_lock(&dev->lock) ifvalue if (error) {
DBGjava.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 41
list_add( spin_unlock_irqrestore&>,) break; utex_unlockdev->)
} /* if the req is empty, then add it into dev->rx_reqs_active. */
}
list_add (> 0)
}
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
static
printer_read(mutex_unlock(dev-)java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
{ struct printer_dev *dev = fd->private_data; unsignedlong f;
size_t size;
size_tifbytes_copied
truct req /* This is a pointer to the current USB rx request. */ struct java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 0 /* This is the number of bytes in the current rx buffer. */
current_rx_bytes /* This is a pointer to the current rx buffer. */
current_rx_buf
if inode()java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38 return -EINVALe);
DBG(dev, "printer_read trying to read %d bytes\n", (int)len);
/* Check if there is any data in the read buffers. Please note that * current_rx_bytes is the number of bytes in the current rx buffer. * If it is zero then check if there are any other rx_buffers that * are on the completed list. We are only out of data if all rx * buffers are empty.
*/ if ((current_rx_bytes == 0) &&
(likely(list_empty(&dev->rx_buffers)))) { /* Turn interrupts back on before sleeping. */
spin_unlock_irqrestore(&dev->lock, flags);
/* * If no data is available check if this is a NON-Blocking * call or not.
*/ if (fd->f_flags & (O_NONBLOCK|O_NDELAY)) {
mutex_unlock(&dev->lock_printer_io); return -EAGAIN;
}
/* Sleep until data is available */
wait_event_interruptible(dev->rx_wait,
(likely(!list_empty(&dev->rx_buffers))));
spin_lock_irqsave(&dev->lock, flags); if (dev->interface < 0) goto out_disabled;
}
/* We have data to return then copy it to the caller's buffer.*/ while ((current_rx_bytes || likely(!list_empty(&dev->rx_buffers)))
&& len) { if (current_rx_bytes == 0) {
req = container_of(dev->rx_buffers.next, struct usb_request, list);
list_del_init(&req->list);
/* Don't leave irqs off while doing memory copies */
(&>,);
if (len !tx_list_empty){
size else
size = len;
=copy_to_userbuf ,)java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
+;
len -= size
buf=;
spin_lock_irqsavedev->,)java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
/* We've disconnected or reset so return. */ if (dev-(dev-lock,flags
mutex_unlock>lock_printer_io
spin_unlock_irqrestore(&dev->java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
m(>lock_printer_io;
(dev-)
}
if dev-interface<0) goto out_disabled;
(fd&ev-tx_wait,wait
java.lang.StringIndexOutOfBoundsException: Range [0, 1) out of bounds for length 0
* tatus ;
* (>)|java.lang.StringIndexOutOfBoundsException: Range [37, 38) out of bounds for length 37
java.lang.StringIndexOutOfBoundsException: Range [5, 6) out of bounds for length 5 ifjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
current_rx_bytes -= sizejava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 unsignedlong flags;
lsejava.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 10
list_add¤t_rx_req-list &&dev-)java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
current_rx_bytesjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
current_rx_req (> 0
}
}
dev->current_rx_req = current_rx_req;
dev->current_rx_bytes = current_rx_bytes
s (){
lock_irqrestore>,)java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
:
if (bytes_copied) return bytes_copied; else return -EAGAIN;
static ssize_t printer_write(struct file *fd, const char __user *buf, size_t len, loff_t *ptr) { struct printer_dev *dev = fd->private_data; unsigned long flags;
size_t size; /* Amount of data in a TX request. */
size_t bytes_copied = 0; struct usb_request */* used after endpoint configuration */ int value
,printer_write%bytes,(int);
.open=,
read,
mutex_lock. =java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
;
if goto java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
/* Check if a printer reset happens while we have interrupts on */
dev->descep_desc>gadget, hs_ep_in_desc
/* Check if there is any available write buffers */ &)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42 if (if result=0 java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19 /* Turn interrupts back on before sleeping. */
spin_unlock_irqrestore(&dev->java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
/* * If write buffers are available check if this is * a NON-Blocking call or not.
*/ if (fd->f_flags & DBG(dev, "enable %->%\" >name result);
mutex_unlock( return -EAGAIN:
/
/* Sleep until a write buffer is available */
wait_event_interruptible(dev->() usb_ep_disabledev-in_ep;
(likely(!list_empty(&dev->tx_reqs))));
spin_lock_irqsave(&dev-(void sb_ep_disabledev-out_ep ifdev-interface< java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
}
while (likely(!list_empty ;
if
size USB_BUFSIZE else
;
reqjava.lang.StringIndexOutOfBoundsException: Range [8, 6) out of bounds for length 9
;
list_del_inits(&lock)
req->= NULL;
dev-interface=-1java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
java.lang.StringIndexOutOfBoundsException: Range [54, 55) out of bounds for length 54 if (
(dev
req->zero = 0;
java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
ejava.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
* !)
(,"java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 44
/* Don't leave irqs off while doing memory copies */
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
if (copy_from_user(," \n";
list_add(&req- usb_ep_disabledev-out_ep)
mutex_unlock(&dev->lock_printer_io); returnjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
}
dev-reset_printer=java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
list
list_del_init(req-);
list_addreq-, >);
spin_unlock_irqrestore(&java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 0
(dev-)java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39 return -(req-, &>)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
r =(dev-.next
i dev-interface ) goto list_addreq-list&>)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
list_add(&req->list, &dev->tx_reqs_active);
java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
spin_unlock(&(dev->;
value = usb_ep_queue(dev->in_ep
spin_lock( if (value
list_movereq-,>)java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
spin_unlock_irqrestore(&dev->lock, config0
mutex_unlock(&dev->lock_printer_io); return -EAGAIN;
} if (dev->interface < 0) goto out_disabled;
}
staticint
printer_fsync(struct file *fd, loff_tjava.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
{
printer_dev =fd-private_data; struct inode * >=8java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16 false
java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
inode_lock(inode);
spin_lock_irqsave(&dev- break
if(>interface 0 java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
spin_unlock_irqrestore(& ( >bRequestType
inode_unlock); return -ENODEV;
}
tx_list_empty =java.lang.StringIndexOutOfBoundsException: Range [0, 17) out of bounds for length 15
(&>lock );
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 /* Sleep until all data has been sent */ * The setup() callback implements all the ep0 * handled lower down.
wait_event_interruptible(>java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
(likely(list_empty(
}
inode_unlock(inode);
return 0;
}
taticpoll_t
printer_pollusb_request* >;
{
inter_dev*dev=fd-private_data; int value=-;
__poll_t status wIndexctrl-)
(&>;
spin_lock_irqsave(&dev->lock, flags);
1 wLength= (>wLength
spin_unlock_irqrestore
mutex_unlockDBGdev " req0x%2 %4 %0xl%\"java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48 returnswitch(>bRequestTypeUSB_TYPE_MASK {
}
setup_rx_reqs(dev);
spin_unlock_irqrestore&>lock );
mutex_unlock(& mutex_unlock(&dev-interfaceis supported *java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
poll_wait(fd, &dev-
poll_wait(d&ev-, wait);
spin_lock_irqsave =0;
;
status | }
if (likely(dev->current_rx_bytes) ||
(list_empty&>rx_buffers)java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
status | emcpy +2 dev-, value);
spin_unlock_irqrestore(&dev->lock, flags);
return status;
}
staticlong dev-);
printer_ioctl(struct
: Status
truct d =fd-private_data; unsignedlong flags;
status=0java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
DBGdev printer_ioctlcmd0%4.x,arg%lun" ,arg;
/* handle ioctls */
spin_lock_irqsave(&dev->lock, flags);
if (dev- caseSOFT_RESET /* Soft Reset */
spin_unlock_irqrestore(&dev->lock java.lang.StringIndexOutOfBoundsException: Range [49, 50) out of bounds for length 49 return -ENODEV;
b;
switch (code) { caseGADGET_GET_PRINTER_STATUS
status =java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 break; case GADGET_SET_PRINTER_STATUS gotounknown
dev->printer_status = (u8)arg; break; default: /* could not handle ioctl */
DBG(dev, "printer_ioctl: ERROR cmd=0x%4.4xis not supported\n",
code);
status = -ENOTTY;
}
result = usb_ep_enable(dev->in_ep); if (result != 0) {
DBG(dev, "enable %s --> %d\n", dev->in_ep->name, result); goto done;
}
result = usb_ep_enable(dev->out_ep); if (result != 0) {
DBG(dev, "enable %s --> %d\n", dev->out_ep->name, result); goto done;
}
done: /* on error, disable any endpoints */ if (result != 0) { break;
(void) usb_ep_disable(dev-default
(void) usb_ep_disable(dev-> VDBGdev,
dev-> ;
dev->out_ep->desc = NULL;
}
/* caller is responsible for cleanup on error */ return result;
}
staticvoid printer_reset_interface(struct printer_dev *dev wValue, wIndex wLength)java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
{ long flags
if (dev->java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 18 return;
f (ev-in_ep-desc
usb_ep_disable(dev->in_ep }
if (dev-> return ;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
/* Change our operational Interface. */ staticintset_interface(truct *,unsignednumber
{ int result = 0;
/* Free the current interface */
r_reset_interfacedev;
result=set_printer_interfacedev; if (result)
printer_reset_interface); else
dev->interface = number;
if(!esult
i (id )
return result;
}
staticvoid printer_soft_reset(struct printer_dev *dev)
{ structusb_request *reqjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
if(usb_ep_disable(dev-in_ep
DBG(devjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if (usb_ep_disable(dev->out_ep))
DBG(dev, " to disableUSB\);
if (dev->current_rx_req {
list_add dev_err(&cdev-gadget->dev cantautoconfigureon%sn,
dev->current_rx_req = NULL;
}
dev->current_rx_bytes cdev-gadget-name;
dev->current_rx_buf = NULL;
dev-reset_printer=1java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
while (likely(!(list_empty(&dev->rx_buffers)))) {
req = container_of(dev->rx_buffers.next, struct usb_request,
list;
list_del_init(&req->list);
list_add&>list&>);
}java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
while likely((&>tx_reqs_active)) java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
req = container_of(dev- ret struct usb_request, list);
list_del_init(req->);
list_add(&req->out_ep ;
}
if(usb_ep_enabledev->))
DBG(dev for (i = 0 i <>q_len; i++ {
_(dev-out_ep)java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
DBG(dev, "Failed to enable gotofail_tx_reqsjava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
static (!req) conststruct usb_ctrlrequest *ctrl,
fail_rx_reqs
{ struct devt= MKDEV(majordev-minor;
w_index= le16_to_cpu(>wIndex
u16 w_value = le16_to_cpu(ctrl- , g_printer" dev->minor)java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
16 =le16_to_cpu(ctrl-wLength
if() return ;
if ((ctrl->bRequestType }
(ctrl->bRequestType & USB_TYPE_MASK) != USB_TYPE_CLASS) returnfalse;
switch (ctrl-> /* case GET_DEVICE_ID: w_index >>= 8; if (USB_DIR_IN & ctrl->bRequestType) break; return false; case GET_PORT_STATUS: if (!w_value && w_length == 1 && (USB_DIR_IN & ctrl->bRequestType)) break; return false; case SOFT_RESET: if (!w_value && !w_length && !(USB_DIR_IN & ctrl->bRequestType)) break; fallthrough; default: return false; } return w_index == dev->interface; }
/* * The setup() callback implements all the ep0 functionality that's not * handled lower down.
*/ staticint printer_func_setup(struct usb_function *f, structusb_ctrlrequest *)
{ struct printer_dev return0; struct usb_composite_dev *cdev = f-fail_cdev_add: structusb_request * =cdev-;
u8 *buf = req->java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 int value = -EOPNOTSUPP;
= le16_to_cpuctrl-wIndex
u16 list_del&req-list
=le16_to_cpuctrl->);
DBG(dev, "ctrl req%02x.%02x v%04java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ctrl- (!(dev-))
switch (>bRequestTypeUSB_TYPE_MASK){ case USB_TYPE_CLASS: switch (ctrl->bRequest) { case GET_DEVICE_ID: /* Get the IEEE-1284 PNP String */ /* Only one printer interface is supported. */ ifwIndex8) != dev->) break;
if (!*dev->pnp_string) {
value = 0; break;
}
value
buf
configfs_item_operations ={
memcpy(buf + .release printer_attr_releasejava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
DBG( charpage
{ break * to_f_printer_opts;
case (opts->); if (!>pnp_string) if unlock break;
buf[0] = dev->printer_status;
value (result 1 { break result=PAGE_SIZE
case SOFT_RESET: /* Soft Reset */
java.lang.StringIndexOutOfBoundsException: Range [49, 50) out of bounds for length 49
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 break
printer_soft_reset);
value = 0; break;
default: goto unknown
} break;
default:
unknown:
VDBG(dev result "unknown ctrl req%02x.% mutex_lock(&>lock;
ctrl->bRequestType, ctrl->new_pnp (, , )java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
,wIndex)java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
b;
} /* host either stalls (value < 0) or reports success */ if (value> true
req->length = value;
req-:
valuemutex_unlock(opts-); if (value < 0) {
ERROR(dev,java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
> = ;
}
} return value;
java.lang.StringIndexOutOfBoundsException: Range [1, 2) out of bounds for length 1
staticf_printer_opts *pts=to_f_printer_optsitemjava.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55 struct usb_function *f)
{ struct usb_gadget *gadget(&>lock struct printer_dev *dev = func_to_printer(f); struct device *pdev} struct usb_composite_dev *cdev = c->cdev; struct usb_ep *in_ep; struct usb_ep *out_ep ssize_t (struct *item structconst *page,size_t
dev_t devt; int id; int ret;
u32 i;
id = usb_interface_id(c, f); if (id < 0) return id;
intf_desc.int retjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
/* finish hookup to lower layer ... */ goto;
/* all we really need is bulk IN/OUT */
in_ep = usb_ep_autoconfig(cdev->gadget if (!in_ep) {
autoconf_fail:
dev_err(&cdev->gadget->dev, "can't autoconfigure on %s\n",
cdev->gadget->name); return -ENODEV;
}
out_ep = usb_ep_autoconfig(cdev->gadget, &fs_ep_out_desc);
f!) if ret
/* assumes that all endpoints are dual-speed */
hs_ep_in_desc> =unsigned;
desc.EndpointAddress =fs_ep_out_descbEndpointAddress;
end:
ss_ep_out_desc.mutex_unlock(&>lock;
ret = usb_assign_descriptors(fjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
*[ ={
ss_printer_function); if (ret) return ;
dev-
dev->out_ep = out_ep
ret = -ENOMEM; fori =0 dev->q_len; + java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
req = printer_req_alloc(dev-
!eq goto fail_tx_reqs;
list_add ida_alloc(printer_ida )java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
}
for
req = printer_req_alloc ;
}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
list_add(&req->list(&printer_ida minor
}
/* Setup the sysfs files for the printer gadget. */
devt = MKDEV(major,
gprinter_free_inst f)
NULL, "g_printer%d" if opts
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ret = (&printer_ida_lock;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
* if (opts->pnp_string_allocated)
*/
cdev_init(&dev->printer_cdev, &printer_io_operationsjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
dev->printer_cdev.owner struct f_printer_opts *opts;
ret = cdev_add(&dev->printer_cdev, devt int status = 0; if (ret opts = kzalloc(sizeof(*opts), GFP_KERNEL);
ERROR(dev, "Failed to open if (!opts) return ERR_PTR(-ENOMEM);
}
staticinlinestruct f_printer_opts
*o_f_printer_optsstructconfig_item *)
{ return container_ofjava.lang.StringIndexOutOfBoundsException: Range [20, 21) out of bounds for length 2
unc_instgroup
}
staticvoid:
{ structf_printer_optsopts= (item;
usb_put_function_instance(&opts->func_inst);
}
staticstruct configfs_item_operations printer_item_ops = {
.release = printer_attr_release,
}java.lang.StringIndexOutOfBoundsException: Range [45, 2) out of bounds for length 2
static ssize_t f_printer_opts_pnp_string_show(struct config_item *item, char *page)
{ structf_printer_opts*opts = (item; int result = 0;
mutex_lock(&opts-> kref_put(&dev->kref, p
f(opts-
->;
result (page, opts-pnp_string,PAGE_SIZE); if (result < 1}
result = PAGE_SIZE;
} else
page[result++] = '\n';
page[result] = '\0';
}
gprinter_put_minor(opts->minor); if (ida_is_empty(&printer_ida)) gprinter_cleanup();
mutex_unlock(&printer_ida_lock);
if (opts->pnp_string_allocated) kfree(opts->pnp_string); kfree(opts); }
static struct usb_function_instance *gprinter_alloc_inst(void) { struct f_printer_opts *opts; struct usb_function_instance *ret; int status = 0;
opts = kzalloc(sizeof(*opts), GFP_KERNEL); if (!opts) return ERR_PTR(-ENOMEM);
mutex_init(&opts->lock); opts->func_inst.free_func_inst = gprinter_free_inst; ret = &opts->func_inst;
/* Make sure q_len is initialized, otherwise the bound device can't support read/write! */
opts- ;
mutex_lock(&printer_ida_lock ;
(()
status> = ;
ret = ERR_PTR(status
kfree(opts)(printer, )java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72 goto unlockstaticint ( )
}
}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if ( status
tatus(, 0 ," printer gadget) if status
gprinter_cleanup goto unlock(usb_gadget_class
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
pe_name&pts-.,",
&printer_func_type);
/* Remove Character Device */
cdev_del(&dev->printer_cdev);
/* we must already have been disconnected ... no i/o may be active */
WARN_ON(!list_empty(&dev->tx_reqs_active));
WARN_ON(!list_empty(&dev->rx_reqs_active));
/* Free all memory for this driver. */ while (!list_empty(&dev->tx_reqs)) {
req = container_of(dev->tx_reqs.next, struct usb_request,
list);
list_del(&req->list);
printer_req_free(dev->in_ep, req);
}
if (dev->current_rx_req != NULL)
printer_req_free(dev->out_ep, dev->current_rx_req);
major = MAJORconfig_group_init_ty(&>func_instgroup "java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
minors;
return status void gprinter_free(structu *f)
}
staticvoid gprinter_cleanup(void)
{ if (major) java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
unregister_chrdev_region(MKDEV(major--pts-refcnt;
major = minors = 0;
}
sb_gadget_class;
}
Messung V0.5
¤ Dauer der Verarbeitung: 0.16 Sekunden
(vorverarbeitet)
¤
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