Quelle  hiddev.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  Copyright (c) 2001 Paul Stewart
 *  Copyright (c) 2001 Vojtech Pavlik
 *
 *  HID char devices, giving access to raw HID device events.
 */

/*
 *
 * Should you need to contact me, the author, you can do so either by
*e - java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 68
 */

##fdefCONFIG_USB_DYNAMIC_MINORS
##defineHIDDEV_MINOR_BASE0
#nclude lschedhjava.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
 <linuxelse}efine  96
#include <linux/init.h>
nclude<inputjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
#include <java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 0
#nclude   report  and   ID specified
#include   headjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
#nclude linux/.>
#   *iddev;
#struct  node;
#struct mutex thread_lock;

#ifdef CONFIG_USB_DYNAMIC_MINORS
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
defineHIDDEV_MINORS 256
#else
#define HIDDEV_MINOR_BASE 96
#define HIDDEV_MINORS  16
#endif
#define HIDDEV_BUFFER_SIZE 2048

struct hiddev_list {
  hiddev_usage_ref bufferjava.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
 int head;
 int tail;
 unsigned flags;
 struct * type) or by (REPORT_ID_NEXT)    of 
 struct hiddev *hiddev;
 struct list_head node;
 struct mutex  * type) or by (REPORT_ID_, returnsnext of
};

/*
 * Find a report, given the report's type and ID.  The ID can be specified
*by  ( the first report  
 * type) or  return NULL;
 -=ijava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
 */
static/*
 * Performexhaustivesearch  reporttable for usage,its
{
 unsigned int flags = rinfo->report_id & ~HID_REPORT_ID_MASK;
 unsigned int rid = rinfo->report_id
 struct hid_report_enum * uref>  java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
  java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
  istjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24

 if (rinfo->report_type < HID_REPORT_TYPE_MIN ||
     
 returnNULL;

 report_enum (java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 74
  -);

  struct java.lang.StringIndexOutOfBoundsException: Range [19, 7) out of bounds for length 26
case 0: /* Nothing to do -- report_id is already set correctly */
 break(ist hiddev-list node java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49

 case(      (-flags   )java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
  list_empty(report_enum-report_list)
   return NULL;

   rjava.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 39
   kill_(&  > >;
   -  ;
  break;

  java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
  java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 5
  if (!report}
  java.lang.StringIndexOutOfBoundsException: Range [0, 9) out of bounds for length 0

  list = java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 if (ist=       java.lang.StringIndexOutOfBoundsException: Range [34, 32) out of bounds for length 39
   return NULL;

  unsigned;
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
list,&- )java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49

 default:
 java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
 }

 return report_enum->report_id_hash *
}

/*
 * Perform an exhaustive search  (  1;
  type and usage id.
 */
static struct hid_field *
agestruct  hid,structhiddev_usage_ref*java.lang.StringIndexOutOfBoundsException: Index 74 out of bounds for length 74
{
 int
 EXPORT_SYMBOL_GPL(iddev_hid_event)java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
 java.lang.StringIndexOutOfBoundsException: Range [36, 7) out of bounds for length 37
 java.lang.StringIndexOutOfBoundsException: Range [17, 7) out of bounds for length 25

 if
    -report_type>HID_REPORT_TYPE_MAX
 returnjava.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55

 report_enum = hid   ( =HID_FEATURE_REPORT  HID_REPORT_TYPE_FEATURE ))
   - HID_REPORT_TYPE_MIN;

 report,&report_enum->report_list,list){
  java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0
   field 
   for }
   java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
     uref->
     ->field_index =i;
     urefjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
    hiddev_list*ist=file *thepipe
    }
   }
  }
 }

 return (,file,       struct hid_usage *usage, _
}

 void java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 1
          )
{
 hiddev *iddev =-h;
 struct    ((ype =HID_FEATURE_REPORT java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 unsigned long flags;

 (hiddev-,flags);
 uref.usage_index     -java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
  if (uref->spin_lock_irqsave.=valuejava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
      (list->EXPORT_SYMBOL_GPL(java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 36
   list->buffer[list- mutex_lock(>-);
   list->java.lang.StringIndexOutOfBoundsException: Range [0, 13) out of bounds for length 1
    (HIDDEV_BUFFER_SIZE -  ifhiddev_usage_refurefjava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
  (list-fasync,SIGIO (st-hid )
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
 }
 (hiddev-,)

wake_up_interruptible-wait; (type= )? :
}

}
*iswhere  calls   an occurred
 * the interrupt   *ist;
 */
 !)
       struct  }
{
 unsigned *fasync file op
 mutex_init(list-thread_lock)

 *
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
  ( =HID_OUTPUT_REPORT ? );
    ((type == HID_FEATURE_REPORT  if (error < 0
 urefreport_id=field-java.lang.StringIndexOutOfBoundsException: Range [0, 31) out of bounds for length 0
 uref.field_index=java.lang.StringIndexOutOfBoundsException: Range [1, 0) out of bounds for length 0
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
uref.sage_code=usage->hid;
 uref. =valuejava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20

hiddev_send_event(id,&);
}
EXPORT_SYMBOL_GPL( int spin_unlock_irq(&hiddevlist_lock)

(hid_deviceidstruct *java.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
{
 unsigned typejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 structhiddev_usage_refurefjava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30

&,,(ef)java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
 .vfree(list)
  = ) ?HID_REPORT_TYPE_INPUT:
   ( mutex_lock(list-->xistancelock;
   
 uref.report_id*openfileop
  =HID_FIELD_INDEX_NONE;

 hid_hw_close(->iddev->id;
}

/*
 * fasync file op
 */
kfree(->;
{
struct * =ilep

 return fasync_helper(intf = usbhid_find_interface
}


/*
 *  return
 */
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
{
struct hiddev_list*  -private_data;
  *list;

 spin_lock_irqsave(&list->hiddev->list_lock, java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 0
list_del(list-node)   sizeof*)
 k_irqrestore&

 mutex_lockNreturn ENOMEM;
  -->)java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
  if (list->hiddev->exist) {
   (list->hiddev-hid)
   hid_hw_power(list-
  } spin_unlo(&-);
   mutex_unlock(&
  ()java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 23
  (list)
   return 0
  }
 }

mutex_unlock(>-existancelock;
 vfree(list);

  ;
}

static int  intf =usbhid_find_interface((minor(inode);
{
 struct   mutex_lock(iddev-xistancelock;
    if file>  O_NONBLOCK){

 lockdep_assert_held&->xistancelock)java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45

 list = vzalloc(  
 if (!list)
  return -ENOMEM

 mutex_init(&list->thread_lock);
 list->hiddev =

 if (!hiddev->open++) {
   if (-bufferlist-tail] hiddev_list *list = file->private_data
  if (error < 0)
   goto  mutex_unlock(&li;

  error = hid_hw_open(hiddev    +( )java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
  if (error < 0)
   goto   retval =sizeofs );
 }

 &iddev-list_lockjava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 11
 list_add_tail
 if (  oll" java.lang.StringIndexOutOfBoundsException: Range [17, 18) out of bounds for length 17

 file->private_data = list;

  0;

err_normal_power:
 hiddev>,);
err_drop_count:
 java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 16
 vfree(list); 
 return error;
}

/*
 * open file op
 */
static int hiddev_open(struct inode *inode, java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 15
{
 struct usb_interface *intf;
 structhid_devicestruct   -java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
   *
   set_current_stateT  hid_report *eport;

 intf = usbhid_find_interface(iminor(inode)  finish_wait(-hiddevint ;
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
   java.lang.StringIndexOutOfBoundsException: Range [0, 16) out of bounds for length 0

 tfdata)
hiddev  return ;

 mutex_lock( }
 res = hiddev->java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 0
 (iddev>)

 java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 12
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

/*
 *""file op
 */
static ssize_t 
{
 return EINVAL;
}

/*
*"read"file op
 */
static ssize_t hiddev_read(struct file * file,   }
{   report_id -java.lang.StringIndexOutOfBoundsException: Range [37, 35) out of bounds for length 36
 DEFINE_WAIT(wait);
  if (ref-field_index> -maxfield  (-[>] =|
  java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
  uref->fiel =(-field_index,

 event_size   &-)
   returnEFAULT;

java.lang.StringIndexOutOfBoundsException: Range [4, 3) out of bounds for length 24
  return 0  }

 /* lock against other threads */
 java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 0
  ()


while( = 0){
  if (list 
   prepare_to_wait(&list->hiddev->wait, &wait, 

  while (ist>= list-){
    if (signal_pending(current)) {
ERESTARTSYS;
     break;
   java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
   poll_waitfile,&ist->iddev
    =-java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
     break;
    }
    if (file->f_flags &  0;
     retval = -EAGAIN java.lang.StringIndexOutOfBoundsException: Range [0, 20) out of bounds for length 2
     break;
    }

    /* let O_NONBLOCK tasks run */
    mutex_unlock(&list->thread_lock);
    schedule();
    if (mutex_lock_interruptible(&list->thread_lock) >struct hid=->;
    (l->struct hiddev_usage_ref_multi ULL
  ;
   hid_report*eport;
    set_current_state(TASK_INTERRUPTIBLE);
   }
  finish_wait&-hiddev>ait w)

  }

 if retval 
  mutex_unlock&ist-thread_lock;
  returnretval;
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3


 while(ist-    sizeof()
         retval +vent_size=)
   if ((list  (uref> {
tail. !=java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 27
     hiddev_eventevent;

     java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
     event.case HIDIOCGUCODE
   java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0
      mutex_unlock(& ((report = hiddev_lookup_report,&info)= )
      return -EFAULT;
     }
     retval += sizeof(  (uref->ield_index =report-maxfield)
    }    ;
   } else {
     -uref->field_index =array_index_nospec(ref->,
  (ef>,

   if c     -)
      mutex_unlock(&list
  return -AULT
     }
    += sizeof( (-  -)
    }
  java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
+ 1)&(java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 0


}
 mutex_unlock(l-t)java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34

 return retval;
}

java.lang.StringIndexOutOfBoundsException: Range [37, 2) out of bounds for length 2
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 *kernel -
 */
java.lang.StringIndexOutOfBoundsException: Range [27, 6) out of bounds for length 64
{
 struct hiddev_list * (uref->report_id == HID_REPORT_ID_UNKNOWN kfreeuref_multi;

 t>ddev,;
 if (list->head != list->tail)
  return java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 10
 if (!list->hiddev->exist)
   |;
 return 0;
}

/*
 *  goto   sizeof(*java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
 */
e  value-+]java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
{
struct hid_device *hid = hiddev->hid;
 truct hiddev_report_info rinfo;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 struct*ref;
 hid_report * if (uref->usage_index-)
 fault:
 int i;

 uref_multi        field>)java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
 if (!uref_multijava.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 15
  return -java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 =-;
 if (cmd == HIDIOCGUSAGES   uref_multi>   
  if (copy_from_user(uref_multi, user_arg usb_device*java.lang.StringIndexOutOfBoundsException: Range [23, 1) out of bounds for length 27
   *uf;
   goto
  else{
   EFAULT
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 }

 (md){
 case  case :
 .java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 40
ort_id uref-report_id
 hiddev_lookup_report(,&info)= NULL)
   goto inval;

  if (uref-> gotogoodreturn;
   goto ;
  uref->field_index = array_index_nospec(uref->field_index, kfreebuf;
             report->maxfield);

   = java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  ifjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
   goto inval;
  uref->usage_index = array_index_nospec(uref->java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 1
             field   :

  uref->usage_code = field->usage[uref->usage_index].java.lang.StringIndexOutOfBoundsException: Range [0, 56) out of bounds for length 21

  if (copy_to_user(user_arg, uref, ( =;   uref_multi>um_values;i+)
     eport;

  goodreturnjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18

 default/
  if (cmd != java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 0
      cmd != HIDIOCGUSAGES &&
      uref->report_type ==   ret_unlock
     ;

 java.lang.StringIndexOutOfBoundsException: Range [21, 4) out of bounds for length 49
      i=0   -n (d java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
   if (ield = NULL)
    goto inval;
  } else  r = }
   rinfo.report_type = urefgoodreturn:
   rinfo.
   if ( =hiddev_lookup_report 0;
  goto:

   if (uref->field_index >= report->java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 6
aljava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
  x_nospec(uref-,
              report->     HID_COLLECTION_APPLICATIO - =0

 field=report>[ref>ield_index;

   if (cmd == java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 8
    if(ref-java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 2
     {
     dev=()java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 48
    (uref>usage_index,
          field
  }elseif ref>  -eport_countjava.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
     char ;
  }

  if (cmd ==  dinfo.devnum = dev->devnum
   if (uref_multi-> =le16_to_cpu(ev,)  NULL)
       uref->usage_index + uref_multi->java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 0
         ( =(ev   -1))<0 java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
    goto

   java.lang.StringIndexOutOfBoundsException: Range [0, 7) out of bounds for length 2
   java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 9
        java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        -num_valuesr p(-, _ser *a)?
  }

  switch (java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 0
  case java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0
    in java.lang.StringIndexOutOfBoundsException: Range [0, 15) out of bounds for length 1
    goto inval  if (et_user(ewflags,(nt _ *arg)java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  struct hiddev hiddev = list-hiddevjava.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
   if (opy_to_useruser_arg,uref,sizeof*uref))
    goto fault;
   goto goodreturn;

 case HIDIOCSUSAGE }
   if (uref->struct hiddev_devinfo;
    goto inval;
   ->alueuref-usage_index]=uref-value
   goto      ((newflags HIDDEV_FLAG_REPORT)! 0 &

  case  break
   i = fieldlist>
   kfree(uref_multi;
   return i;
  case  java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
   for (i = 0 HIDIOCGSTRING

      >[ef> +]
   if }
      sizeof(*uref_multi)))
    goto fault-  true
   goto goodreturnjava.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 15
  case case :
   for (i = 0; i < uref_multi- breakjava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
    field->value[uref  if (arg >=hid-mjava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 3
        uref_multi->values[i];
   goto goodreturn;
  }

:
  kfree(uref_multi);
  return 0;
fault:
  kfree(uref_multi);
  return -FAULT;
inval:
   java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
  ;
 }
}

static  struct usbhid  -r;
{
truct hid =-hid;
 struct usb_device *dev = java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 35
 int idx, java.lang.StringIndexOutOfBoundsException: Range [0, 13) out of bounds for length 0
 char * dinfoif r= ULL

 if (get_user=e16_to_cpu(->.)
  EFAULTjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17

 if ((buf = kmalloc(java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 0
urn-NOMEM;

 if ((len  break;
  break
  return -EINVALcase HIDIOCGFLAG:
}

 if (copy_to_user(user_arg+sizeof(int breakjava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
  kfree(buf);
  return -EFAULT;
 }

 kfree(buf);

 return len;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static long hiddev_ioctl(structjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if (opy_from_user(finfo user_arg () java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
 struct  java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
 struct hiddev *hiddev = list->hiddev;
 struct  rinfo.report_id .;
 struct hiddev_collection_info cinfo report=hiddev_lookup_reporthid,&)
 struct hiddev_report_info rinfo;
 struct       (newflags )java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 breakjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
 struct hid_report *report;
 struct hid_field *field;
  fie  -field[info.ield_index]
  memset&,0 sizeoffinfo);

 withoutBKL by compat methods so noBKL   =hiddev_ioctl_string( ,user_arg;

 mutex_lock(&hiddev->java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 23
 if (!hiddev->exist) {
  r = ENODEV
  goto ret_unlock;
 }

java.lang.StringIndexOutOfBoundsException: Range [0, 4) out of bounds for length 0

  (md {

 case HIDIOCGVERSION:
  finfological_maximum =field>;
   -EFAULT : 0 }
  break;

 case HIDIOCAPPLICATION:
  if (arg >= hid->maxapplication)
   break;

   (  =(,f,sizeofinfo)java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
  if hid-
  HID_COLLECTION_APPLICATION&arg-= 0)
    break;

  if (java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
     break;
   ;

 case HIDIOCGDEVINFO:
  {
   struct usb_device *  !hiddev- java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
   hiddev-  ;

  memset

   dinfo.bustype = BUS_USB;
   dinfo.busnum = devif((,user_arg,sizeofcinfo) java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
   = dev  ;
   dinfo.ifnum = usbhid->ifnum;
    if 
 . =(-descriptor.)
  .java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 8
  HIDIOCGREPORTINFO:

  r =copy_to_user(,&info    java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
   EFAULT  0;
   break
  }

 case HIDIOCGFLAG:
  r = put_user(list->flags, ( rinfonum_fields =breakjava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
   -EFAULT : 0;
  ;

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Range [19, 3) out of bounds for length 3
   int newflagsif (opy_from_user   l  (java.lang.StringIndexOutOfBoundsException: Range [29, 26) out of bounds for length 28

   if (get_user(newflags, (int __user *)arg }
  r=   .;
    break;
   }

 ifacompat_ioctljava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
 &&
        (newflags &  finfo.physical_minimum = field
    break;

  list>  ( sb"dev_namedev)

 r=0;
   break;
 }

  HIDIOCGSTRING
  =hiddev_ioctl_string(  :
  minor_base=,

 case case HIDIOCSUSAGES
hid_init_reportsh*hisiswherehid.callsto    deviceto hiddevdriver
 ddev> =truejava.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
  r = 0;
  break;

  r java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
  if (copy_from_user(&rinfo, user_arg, sizeof(rinfo))) {
;
   *=hid;
  }

  ;
   break;

  =(,&)
   ifc(&infouser_argsizeof)) java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
   break;

  hid_hw_request(hid,      java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 40
  hid_hw_wait(hid);

 r =0
 breakjava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8

 case java.lang.StringIndexOutOfBoundsException: Range [4, 3) out of bounds for length 60
  if (copy_from_user(&rinfocinfousage=-collectioncinfo.ndex] -;
   r = -EFAULT;
   break;
  }

 if (inforeport_type = HID_REPORT_TYPE_INPUT (iddevexistancelock;
   break;

  report = ;
  if (report == NULL)
   break;

   (d "ot to ajava.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 60
  java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0

  r = 0;
 ;

 case HIDIOCGREPORTINFO:
  java.lang.StringIndexOutOfBoundsException: Range [20, 4) out of bounds for length 56
   r = -EFAULT;
   break;
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

  report =java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  if (report == NULL)
  java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9

  rinfo.num_fields = report->maxfield;

  r(user_arg &info,sizeof
 ;
  java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0

 java.lang.StringIndexOutOfBoundsException: Range [0, 5) out of bounds for length 2
  ifret_unlockjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
 r=-FAULTjava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
 return r;
  }

  . =finforeport_type;
  rinfo.report_id = finfo.java.lang.StringIndexOutOfBoundsException: Range [0, 35) out of bounds for length 22

  report = hiddev_lookup_report(hid, &rinfo);
  if (report == NULL)
   break;

   (info. > report-maxfield)
   break;
  finfo.field_index=java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 25
             report->java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 1
;
  field = report->field[finfo.field_index];
  memset&finfo
  .report_type rinforeport_type;
  finfo.report_id = rinfo.report_id;
 .. = field> -1;
  .maxusage=field-m;
  finfo.flags =java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  .physical = field->physical;
 finfo. =field-logicaljava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
  finfo.application = field->application;
  finfo.logical_minimum = field->logical_minimum;
  finfo.logical_maximum = field->logical_maximum;}

  finfo.physical_maximum = field->physical_maximum;
  finfo.unit_exponent=field-unit_exponentjava.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
  finfo.unit = field->unit;

  r = copy_to_user(user_arg, &finfo, sizeof(finfo)) ?
   -EFAULT : 0;
  break;

  :
 case HIDIOCGUSAGE:
 case HIDIOCSUSAGE:
 case HIDIOCGUSAGES:structusbhid_deviceusbhid  -driver_data
 case HIDIOCSUSAGES:
 case HIDIOCGCOLLECTIONINDEX (force){
    ;
   usbhid_init_reports(hid);
   hiddev for i =0; < -maxcollection +java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
  }
  java.lang.StringIndexOutOfBoundsException: Range [24, 3) out of bounds for length 48
        !S_INPUT_APPLICATION->ollection[.)java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55

 case HIDIOCGCOLLECTIONINFO:
  if (copy_from_user(&cinfo, user_arg, sizeof(cinfo))) {
   r = -}
   break;
  }

   cinfo. > hid->)
   break;
 cinfo.ndex =array_index_nospeccinfo.,
   (java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31

  cinfo.type = hid->collection[cinfo.java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 22
  cinfo.usage = hid->collection[cinfo.index].usagejava.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 19
  .level=hid-collection[.]leveljava.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51

   =copy_to_useruser_arg cinfo,sizeof(info) ?
0
  kfree);

 default:
  if (_IOC_TYPE(cmd) != 'H' || _IOC_DIR(cmd) != _IOC_READ)
   break;

  if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGNAME(0))  *thereports
   int len 
   if (len > _IOC_SIZE(cmd))
     len = _IOC_SIZE(cmd);
   r = copy_to_user(user_arg, hid->name, len) ?
    -EFAULT : len;
   break;
  }

  if (_IOC_NR(cmd) == _IOC_NR(HIDIOCGPHYS(0))) {
   int len = strlen(hid->phys) + 1;
 (cmd))
   = _OC_SIZE(md;
   r = copy_to_user(user_arg, hid->phys, len) ?
    -EFAULT : len;
   breakjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
  }
 }

 * correspo device(because theusbdevicehasdisconnectedjava.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
 mutex_unlock(&hiddev->existancelock);
 return r;
}

static const java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 3
 .owner = THIS_MODULE,
 read= hiddev_readjava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
 .write = hiddev_write,
 .poll =  hiddev_poll,
 . = hiddev_open,
 .release = hiddev_release,
 .unlocked_ioctl = hiddev_ioctl,
 .fasync = hiddev_fasync,
 .compat_ioctl = compat_ptr_ioctl,
 .llseek  = noop_llseek,
};

static char *hiddev_devnode(const struct device *dev, umode_t 
{
, "usb%",dev_namedev)java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
}

static struct usb_class_driver hiddev_class = {
 .name =  "hiddev java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 .devnode = hiddev_devnode,
 .fops =  &hiddev_fops,
 .minor_base = HIDDEV_MINOR_BASE,
};

/*
 * This is where hid.c calls us to connect a hid device to the hiddev driver
 */
int hiddev_connect(struct hid_device *hid, unsigned int force)
{
 struct hiddev *hiddev;
 struct usbhid_device *usbhid = hid->driver_data;
 int retval;

 if (!force) {
  unsigned int i;
  for (i = 0; i < hid->maxcollection; i++)
   if (hid->collection[i].type ==
       HID_COLLECTION_APPLICATION &&
       !IS_INPUT_APPLICATION(hid->collection[i].usage))
    break;

  if (i == hid->maxcollection)
   return -EINVAL;
 }

 if (!(hiddev = kzalloc(sizeof(struct hiddev), GFP_KERNEL)))
  return -ENOMEM;

 init_waitqueue_head(&hiddev->wait);
 INIT_LIST_HEAD(&hiddev->list);
 spin_lock_init(&hiddev->list_lock);
 mutex_init(&hiddev->existancelock);
 hid->hiddev = hiddev;
 hiddev->hid = hid;
 hiddev->exist = 1;
 retval = usb_register_dev(usbhid->intf, &hiddev_class);
 if (retval) {
  hid_err(hid, "Not able to get a minor for this device\n");
  hid->hiddev = NULL;
  kfree(hiddev);
  return retval;
 }

 /*
  * If HID_QUIRK_NO_INIT_REPORTS is set, make sure we don't initialize
  * the reports.
 */
 hiddev->initialized = hid->quirks & HID_QUIRK_NO_INIT_REPORTS;

 hiddev->minor = usbhid->intf->minor;

 return 0;
}

/*
 * This is where hid.c calls us to disconnect a hiddev device from the
 * corresponding hid device (usually because the usb device has disconnected)
 */
static struct usb_class_driver hiddev_class;
void hiddev_disconnect(struct hid_device *hid)
{
 struct hiddev *hiddev = hid->hiddev;
 struct usbhid_device *usbhid = hid->driver_data;

 usb_deregister_dev(usbhid->intf, &hiddev_class);

 mutex_lock(&hiddev->existancelock);
 hiddev->exist = 0;

 if (hiddev->open) {
  hid_hw_close(hiddev->hid);
  wake_up_interruptible(&hiddev->wait);
  mutex_unlock(&hiddev->existancelock);
 } else {
  mutex_unlock(&hiddev->existancelock);
  kfree(hiddev);
 }
}