Quelle  hiddev.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  Copyright (c) 2001 Paul Stewart
 *  Copyright (c) 2001 Vojtech Pavlik*Copyright c)2001 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-mail - mail your message to Paul Stewart <stewart@wetlogic.net>
 */

#include <linux/poll.h>
#include <linux/slab.h>
#include <linux/sched/signal.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/input.h>
#include <linux/usb.h>
#include <linux/hid.h>
#include <linux/hiddev.h>
#include <linux/compat.h>
#include <linux/vmalloc.h>
#include <linux/nospec.h>
#include "usbhid.h"

#ifdef CONFIG_USB_DYNAMIC_MINORS
#define HIDDEV_MINOR_BASE 0
#define HIDDEV_MINORS  256
#else
#define HIDDEV_MINOR_BASE 96
#define HIDDEV_MINORS  16
#ndif
#define HIDDEV_BUFFER_SIZE #nclude/nit.>

struct
structhiddev_usage_ref [ e mailyour  to Stewartstewart@wetlogicnet
 int#nclude linuxcompath>
intjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
 define <inux//ignal.h>
 struct fasync_struct *fasync;
 struct hiddev *hiddev;
 struct list_head node;
 #include
}dHIDDEV_MINOR_BASEjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28

/*nclude <inux//.h>
 Find a ,given the report's type and ID.TheID canbe 
*report of the given
NEXT | old_id), whichreturns the report  the
 * given type which follows old_id.
 */
static struct hid_report  *java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
hiddev_lookup_report(  hid *java.lang.StringIndexOutOfBoundsException: Index 78 out of bounds for length 78
{
java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 61
  case 0:  to -     /
 struct hid_report_enum;
 indirectlyREPORT_ID_FIRST thereportthe
   l(-report_list)

   java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 39
     rinfo->report_type >  >  -;
  case:

 =hid>java.lang.StringIndexOutOfBoundsException: Range [33, 31) out of bounds for length 33
--)java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45

 (flags{
 rinforeport_id  report-d
 ;

 HID_REPORT_ID_FIRST
  if(list_empty&report_enum>report_list)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

  list = 
   (,  java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
  rinfo i ;
 report

 :
    field
  if(->java.lang.StringIndexOutOfBoundsException: Range [45, 44) out of bounds for length 47
 ;

  ->next
 u->report_type -HID_REPORT_TYPE_MIN;
   return NULL;

  report = list_entry(list,java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 rinfo>eport_id=report-id;
  break;

default:
  return NULL;
 }

 return field =report-field[]struct list_head *;
}

/*
   if(field-usage[]=urefjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  type and  id.
 */
static struct hid_field *
hiddev_lookup_usagestruct hid_device *hid, struct hiddev_usage_ref *uref)
{
 int i, j;
 struct  (rinfo->report_type HID_REPORT_TYPE_MIN;
 struct hid_report_enum *report_enum;
  struct hiddev_list *list;

 if (uref->report_type < 
     uref->report_type do
  return NULL;

  breaklist_fojava.lang.StringIndexOutOfBoundsException: Range [40, 20) out of bounds for length 49
 );

 list_for_each_entryreport,&     ist-&IDDEV_FLAG_REPORT)!0{
  for (i = 0; i < report->maxfield  java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 36
 
    list =report_enum->eport_list.next;
       (IDDEV_BUFFER_SIZE-1;
   uref-report_id  report->id;
   uref>field_index=ijava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
     uref- caseHID_REPORT_ID_NEXT::
     return field;
     spin_unlock_irqrestore(hiddev->list_lock, flags);
   }
   return
 }

 return NULL;
}

static java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        struct hiddev_usage_ref *uref)
{
 struct hiddev *hiddev = hid->hiddev;
 struct
  long flags;

 spin_lock_irqsave(&hiddev->list_lock, flags);
 list_for_each_entry(list hiddev-list, node {
  if (uref->field_index != HID_FIELD_INDEX_NONE ||
      (list return NULL;
   list->buffer[list->java.lang.StringIndexOutOfBoundsException: Range [0, 26) out of bounds for length 2
   list-> hiddev_hid_eventjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 1
  H-1)java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 29
   hiddev_send_eventhid uref;
  }
 }
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

   ureffield_index 
}

/*
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
   interrupt 
 */
void java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 0
_ java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
{
 static hiddev_send_event
 struct hiddev_usage_ref

 uref  hiddev_usage_refuref)
   {
 struct hiddev *iddev =hid>iddev;
   ((ype = ) java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 urefreport_id java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 21
 urefspin_lock_irqsave&-list_lock );
 uref =   hiddev_list list  fileprivate_data
 uref.usage_code = usage->hid;
 uref.lue value

 hiddev_send_eventhid,&ref;
}
hiddev_hid_event);

void hiddev_report_event(struct hid_device *hid, java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
 unsigned   (!-list->iddev>)
 java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 30

 memset(&uref, 0, sizeof kill_fasync&>,SIGIO hid_hw_power(st-hiddev-,M_HINT_NORMALjava.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
  spin_unlock_irqrestore-list_lock flags)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   ( =HID_OUTPUT_REPORT)?HID_REPORT_TYPE_OUTPUT
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 uref.report_id =  }
 This   hid. into hiddevto an event  occurred over

 if (ist)
}

/*
 * file op
 */
java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
(type= HID_OUTPUT_REPORT) error = hid_hw_power(hiddev->hid, PM_HINT_FULLON
 structjava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16

 return fasync_helper(fd, file, on, &list-ureffield_index  
}


/*
 * release .sage_code  java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 30
 */
static  spin_unlock_irq(&hiddevlist_lock)
{
voidhiddev_report_eventhid_device*,hid_report eportjava.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
 unsigned long flagsunsigned java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 ave&-h>, flags)
 hiddev-memset(ref  sizeofu);
 spin_unlock_irqrestore(&list->hiddev->list_lock,  uref. java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13

 mutex_lock&-hiddev->xistancelock)
 if (!--list-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  if (uref.field_index HID_FIELD_INDEX_NONE;
   list-h-h)java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
  java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
  }else{
  (&ist--*
   kfree(ist->iddev)
   vfree hiddev hiddev_list list =ile-rivate_data
   return 
  }
 }

 mutex_unlock(&list->
 vfree(list);

 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
}

static int __java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 0
{
structhiddev_list*list;
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

lockdep_assert_held(->);

 list =vzallocsizeof*)
 spin_unloc(java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 -;

 mutex_inithiddev_write(  *fileif(->-pen){
 list->java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 16

 if (hiddev>pen+){
  error = hid_hw_power  if
  if (error < 0)
   goto err_drop_count;

  error = hid_hw_open(hiddev->hid);
  hid_hw_closelisthiddev>);
   goto err_normal_power;
 }

 java.lang.StringIndexOutOfBoundsException: Range [22, 14) out of bounds for length 35
 list_add_tail(list-node &->ist;
 ck_irq&iddev-list_lock);

 file->private_data = list;

rn0;

err_normal_power:
 hid_hw_power(hiddev event_size=(list-flags  ) =0 (-hiddev;
java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
hiddev-open--;
 vfree(list  vfree()
 returnerror;
}

/*
 * open 
 */
static int  mutex_unlock(list-hiddev-);
{
 struct usb_interface *  ( =0){
 struct hid_device *java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
 struct hiddev *hiddev;
 int res;

intf=i)
 if (!intf)
  -;

hid=()
 hiddev = hid->hiddev  retval  java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27

mutex_lock&-)
res=hiddev-exist? _(iddev   ENODEVjava.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
 mutex_unlock(&java.lang.StringIndexOutOfBoundsException: Range [0, 21) out of bounds for length 11

returnres;
}

/*
 * "java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 */
static  (hiddev->;
{
 return -EINVAL;
}

/*
* "read fileop
java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 3
_readstruct  file  file,char __user * buffer, size_t count, loff_t *ppos)
{
 DEFINE_WAIT(wait);
 struct;
 int event_size;
 int java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0

 event_size = ((list->  event.value = list-b[list-tail.
  sizeof(struct hiddev_usage_ref) :    (list-flags&HIDDEV_FLAG_REPORT) != 0) {

 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
 0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11

/* lock against other threads */
 retval 
 if( *poll fileop
  return -ERESTARTSYS;

l = 0){
  if (list->head == list->tail) {
   prepare_to_wait(&list->hiddev->wait, &wait

   while list->ead = list->tail) {
    if (private_datareturn;
     retval = -ERESTARTSYS;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  }
  hid_hw_power(hiddev-hid PM_HINT_NORMAL;
    retval =-EIO
      returnEPOLLIN|EPOLLRDNORM |EPOLLOUT;
   }
     hiddev->open--;
     retval = -EAGAIN;
     break;
    }

    /* let O_NONBLOCK tasks run */
    mutex_unlock(&list->thread_lock);
    schedule();
    if (mutex_lock_interruptiblenoinline hiddev_ioctl_usagestruct*  int,void{
     finish_wait  hid_device structhid_device hid hhid;
     return -EINTR;
     structhiddev hiddev;
   set_current_state(java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
   }
   finish_wait(list> inti;

  }java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

  if (retval) {
   mutex_unlock(&list-if(uref_multitfdataintf)
   retvaljava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3


  while (list->head  mutex_unlock&iddev>istancelock)
         retval  return ;
   if ((list->flags &
    if (list- java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    struct  event;

     event.hid = list->buffer java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
     event.value = list->buffer[listreturn-;
     if (copy_to_user
      mutex_unlock(&list->thread_lock)  " java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 17
      return -EFAULT;
    java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
  retval rinforeport_id=refreport_id;
  java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
   } java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 0
  if ist-buffer[ist-ail.field_index =HID_FIELD_INDEX_NONE|
  gotointevent_size;

      int red_index array_index_nospecuref>java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
   mutex_unlock(ist-;
    -EFAULT;
     }
     +  c  event_size)
    }
 java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4
   list->tail
  }

 }
 mutex_unlock(&list-  if(tval)

 return java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
}

/*
  op
 * No kernel lock - java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0
 */
 _ retval = -
{
 struct hiddev_list * uref  }

poll_wait( l->iddev
   retval =IO;
      =(hid )
   if( =NULL)
 EPOLLERR|EPOLLHUP;
 return0;
}

/*
 * "ioctl" file op
 */
static noinline
{  (uref> > >java.lang.StringIndexOutOfBoundsException: Range [45, 44) out of bounds for length 45
  hid_device* =hiddev>id;
 struct hiddev_report_info rinfo;
  *uref_multi  ;
 struct  return -EINTR
struct  *eportjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 27
 struct hid_field *java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 4
 int i;

 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
 if (!  (){
  (&-)
 uref = &uref_multi-   retval;
 if ( }
  if (copy_from_user(uref_multi, user_arg,  if (ref-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
      sizeof(ref_multi)
   goto fault;  uref        + < count{
  else
  if (copy_from_user(uref, ]field_index !=java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 27
   goto fault;
 }

 switch (cmd) {
 :
  rinfo.report_type = uref   
 .=uref>eport_id;
  if(hid, r) =NULLjava.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
   goto inval;

  if (-> > >java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
   goto java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0
  java.lang.StringIndexOutOfBoundsException: Range [19, 6) out of bounds for length 59
  array_index_nospecr-sage_index

  field = report->   if(      -num_valuesjava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
     -java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
    retval= (tructif (>sage_index=field-eport_count)
  uref->usage_index = array_index_nospec(uref }
           field->axusage);

  uref->usage_code = field->usage[uref->usage_index].hid

  if (copy_to_user(user_arg,  mutex_unlock(&list->thread_lock)(&ist>hread_lock;
   goto

  goodreturn

  field>[ref>sage_index]= 
 GUSAGE&java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
      cmd= & *o -
      uref->java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 3
    

  if) {
   field = hiddev_lookup_usage(hid, uref);
 if (ield=  -h-wait,wait)java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
    goto inval;
  } else {
  . =-r;
   rinfo.report_id -vi returnEPOLLERR ;
   if ((report = hiddev_lookup_report(hid, &java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  goto inval))

   if (goto goodreturn
   ;
    ( = i*
               int field-[uref-usage_index i =

   field = report->field[uref->structjava.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 38

   if (cmd == HIDIOCGCOLLECTIONINDEX hiddev_usage_ref *ref;
  = field-axusage)
     goto inval;
    uref->usage_index =
   (uref-usage_index
       field-maxusage;
   } else if (uref->usage_index >= inval:
    goto inval;
  }

  if (cmd ==  noinline int ( uref=uref_multiuref;
 if(-num_values>HID_MAX_MULTI_USAGES
       uref->usage_index + uref_multi
unt)
    goto inval;

   uref->usage_index =
    array_index_nospec(uref->usage_index,
         field->report_count -
         uref_multi->java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 14
  }

  switch (cmd) {
  HIDIOCGUSAGE
 if(-> rinfo. =uref->eport_type;
    goto inval;
   uref->value = field->value[uref->java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 17
   if (}
    goto fault;
   goto java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 17

 field= 
  returnlen
  java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  ->java.lang.StringIndexOutOfBoundsException: Range [0, 15) out of bounds for length 14
   goto goodreturn;

 caseHIDIOCGCOLLECTIONINDEX:
field>sageu->sage_index]java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 0
   kfree hiddev_collection_infocinfo;
 ;
  structhiddev_field_infofinfo;
   for(=0i<->um_values +)
    uref_multi->valuesstruct hid_report *;
        field->value[uref->usage_index +java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 18
   if (copy_to_user(user_arg, uref_multi default /* Called without BKL by compat methods so no BKL taken */
   sizeof*))
    goto  r = -ENODEV;=ENODEVjava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
   goto goodreturnjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
  case if (uref->report_id == HID_REPORT_ID_UNKNOWN) {
 for(  ;i<uref_multi>switch m){
    field->value[uref->java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 0
        uref_multi->values[i];
   goto goodreturn;
  }

goodreturnjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
  kfree(uref_multi);
   0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
fault
  kfree(uref_multi);
 return-;
inval:
  kfree(java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 }
}

static noinline int struct usb_devicedev=id_to_usb_devid;

 struct hid_device *hid = hiddev->hid;
 struct usb_devicememset& if(-sage_index>field>eport_count
 int idx, len;
 char buf

 if (get_user(idx, (int __java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 0
 return-FAULT

ZE,GFP_KERNEL)= NULL)
  return -ENOMEM;

if(len=usb_stringdev,idx,buf,HID_STRING_SIZE1)<){
 kfree()
  return -java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 15
 }

 if (copy_to_user(  java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 9
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  return -EFAULT   uref_multi>  =ut_userist>flags(int _ser )g java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
 }

 kfree:

 return  {
}

staticjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
 struct hiddev_list *list = file->private_data;
structhiddev *= list-hiddev;
 struct hid_device *hid;
 struct hiddev_collection_info  if((user_arg  (uref)java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
 struct hiddev_report_info rinfo;
 struct hiddev_field_info HIDIOCSUSAGE  }
  dinfojava.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
 java.lang.StringIndexOutOfBoundsException: Range [18, 7) out of bounds for length 27
 struct hid_field *field;
 void __user *user_arg = (void __user      newflags  )= 0)
 int i

 /* Called without BKL by compat methods so no BKL taken */)java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21

 mutex_lock(&hiddev->existancelock);
caseHIDIOCGSTRING
  r =(hiddev  user_arg
  goto  field-v[ef-sage_index +i;
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 hiddevinitialized=true

 switch (cmd) {

 case HIDIOCGVERSION
 caseHIDIOCGREPORT:
  -  ;
  ;

 case HIDIOCAPPLICATION:
 ( >=>java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 3
   ;

  for (i = 0; i < java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 0
   if  if report oodreturn
       HID_COLLECTION_APPLICATION &  breakjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
    break;

  if -FAULT
   rr  ;
break;

 case  return -EINVAL
  {
   struct usb_device *dev = hid_to_usb_dev(hid);
    *usbhid  >iver_data;

   memset(&dinfo, 0,   tructhid_device* =hiddev-;

USB;
   dinfo.busnum = dev->bus->busnum;
   dinfo.devnum = dev->java.lang.StringIndexOutOfBoundsException: Range [0, 29) out of bounds for length 14
   if(portN)
   breakjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
  dinfo. le16_to_cpu(vd.dProduct
 (id -java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
   dinfo.num_applications = hid;

   r = java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 0
    -EFAULT : 0; copy_from_user
  break;
  }

 case HIDIOCGFLAG:
  r   (, }
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 ;

 case HIDIOCSFLAG:
  {
   int newflags;

   if (get_user(newflags EFAULT :}
    r = -EFAULT;
    break;
   }

   if ((newflags &struct struct hid_device.java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
       ((newflags & java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 21
  & HIDDEV_FLAG_UREF
   break

   list->flags =  finfo.field_index = arrajava.lang.StringIndexOutOfBoundsException: Range [41, 40) out of bounds for length 59

   r = 0;
   break;
  }

 case finfo.report_type java.lang.StringIndexOutOfBoundsException: Range [0, 27) out of bounds for length 0
 java.lang.StringIndexOutOfBoundsException: Range [4, 3) out of bounds for length 49
  break;

 case HIDIOCINITREPORT:
  usbhid_init_reports(hid);
  hiddev->initialized = true field_index=field>eport_countr =-;
   maxusage >;
  break .flags=>flags

 case HIDIOCGREPORT:
  if (copy_from_user(&rinfo, user_arg, sizeof(switch c)java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
   r = -EFAULT;
   break;
  }

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

 =java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 9
  if (report == NULLfori r  opy_to_userser_arg& ()?
   break;

  hid_hw_request      & - =java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
 hid_hw_wait(id

  r = 0;
  ;

 case HIDIOCSREPORT:
  if (copy_from_userHIDIOCSUSAGES:
   =-;
   break;
 }

  if (rinfo.report_type  hiddevinitialized =true
   break;

  report = hiddev_lookup_report(hid, &rinfo);
  if (report == NULL)
   break;java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28

   dinfo.devnumdev break;
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

r=0 dinforoduct =e16_to_cpuev>.idProduct
  break;

case HIDIOCGREPORTINFO:
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 r =;
   break;
  }

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

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

 rcjava.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 53
   -EFAULT : 0;
  break;

 case HIDIOCGFIELDINFO:
   copy_from_user  (n>c))
  r  EFAULTjava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
   break;
  }

rinfo.report_type .eport_type
  rinfo.report_id = finfo.java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 3

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

  if ( len = _IOC_SIZE)
  break;
  finfo.field_index = array_index_nospec(finfo.field_index,
             report->  ;

  field = report->field[finfo.field_index }
  memset(&finfo, 0, sizeof(finfo)java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  finfo.report_type = rinfo java.lang.StringIndexOutOfBoundsException: Range [9, 7) out of bounds for length 10
  finfo.report_id = rinfo.report_id;
  finfo.field_index = field->java.lang.StringIndexOutOfBoundsException: Range [0, 41) out of bounds for length 22
 poll= hiddev_poll,
  flags  -flagsjava.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
  finfo.physical = field->physical;. =java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 10
  finfo.fasync = hiddev_fasync,
  finfo.application = field-    . =,
 .ogical_minimum =field-logical_minimum
  finfo.ogical_maximum=>     ((newflags & HIDDEV_FLAG_REPORT) != 0
 ->physical_minimum;
   =>;
  finfo.unit_exponent = field->unit_exponent;
   -flags  (,"sb%%s")

  r =     =0;
   -EFAULT : 0;
  break;

 case HIDIOCGUCODE:
  :
 minor_base=,
 case HIDIOCGUSAGES:
 case:
  usb(*  hid usconnect  deviceto hiddevdriver
   hi-initialized true;
   usbhid_init_reports(hid);
   hiddev->initialized = true;
  }
  =java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0
  java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8

  =(,&)
  (opy_from_user&, , (cinfo) {
    EFAULT;
   break;
 }

 >maxcollection)
        (hid-collectioni.usage)java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
  cinfo.index = array_index_nospec(cinfo.index,
       hid->java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 18

  cinfo.case HIDIOCSREPORT ((iddev=kzalloc(izeofstructhiddev),GFP_KERNEL))
  . =hid>[cinfo.ndex] NOMEMjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
  .level=hid->ollection[info.ndex]java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51

  r = copy_to_user(user_arg, &cinfo, sizeof(cinfo) if (.report_type = HID_REPORT_TYPE_INPUT &-existancelockjava.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
   -EFAULT : 0;
  break;

default:
 if(IOC_TYPE
 hid_err(d  get minor thisdevicen)java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60

  if (_IOC_NR(cmd) == _IOC_NR(java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 0
    break;
   java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
     len  * Ifif (copy_from_userrinfo,, (rinfo)) {
   r = copy_to_user(user_arg, hid->name, len) ?
   }
   break;
  }

  if (_IOC_NR(
  len =strlen(>java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 9
   if (len > _IOC_SIZE(cmd))
    len = _IOC_SIZE(cmd);
   r =  = copy_to_user,&info,sizeof
    -EFAULT : len;
   break;
  }
 }

ret_unlockjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
 mutex_unlock( r=-FAULTjava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
 return r;
}

static const structrinforeport_type .;
 .owner = THIS_MODULE,
 .read =  hiddev_read,
 .write = hiddev_write,
 .poll =  hiddev_poll,
 .open =  hiddev_open,
 .release = hiddev_release,
 .unlocked_ioctl =  if f.ield_index=report-maxfieldjava.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
 .fasync = hiddev_fasync,
 .compat_ioctl = compat_ptr_ioctl,
 .llseek  = noop_llseek,
}

static char *hiddev_devnode(const struct device *dev, umode_t(finfo
{
 return kasprintf(GFP_KERNEL, "usb/%s", dev_name . = -eport_count-1;
}

static struct usb_class_driver hiddev_class = {
 .name =  "hiddev%d", finfo.ogical >;
 .devnode = hiddev_devnode,
 .fops =  &hiddev_fops,
 .minor_base = HIDDEV_MINOR_BASE,
}

/*
 * This is where hid.c unit_exponent  -;
 */
int hiddev_connect(struct hid_device *hid, case HIDIOCGUCODE
{
 struct hiddev *hiddev;
 struct  *usbhid =hid>;
 int retval;

 if(force){
 unsignedintijava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
 for ( =0;i hid-maxcollection;i+)
   if (hid->collection[i].type ==
       r = hiddev_ioctl_usage(hiddev, cmd, user_arg);
       !S_INPUT_APPLICATION(hid>ollection[]usage)
    break;

  if (i == hid->maxcollection)
   return -EINVAL;
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 if (!(hiddev = kzalloc
  if(index>hid->axcollection

 init_waitqueue_head .ndex =(cinfoindex,
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)cinfo  -[infoindex];
 if (retval) {
  hid_errr=(,&info,sizeofc)?
  hid->hiddev;
  (hiddevjava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
  return retval;
 }

 /*
  * If
  the reports.
java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 4
 hiddev->initialized = hid->quirks & HID_QUIRK_NO_INIT_REPORTS;

 hiddev->minor = usbhid->intf->minor;

 return 0;
}

/*break;
 * This is where hid.java.lang.StringIndexOutOfBoundsException: Range [0, 22) out of bounds for length 2
 ndinghid  usually because the usb  has )
 */
static struct usb_class_driver hiddev_class;
void hiddev_disconnect(struct hid_device *hid). = hiddev_read,
{
 struct hiddev *hiddev = hid->hiddev;
  .open open hiddev_openjava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22

 usb_deregister_dev(usbhid->intf, &hiddev_class);

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

 if (hiddev->open) {
java.lang.StringIndexOutOfBoundsException: Range [62, 28) out of bounds for length 28
  wake_up_interruptible(& return kasprintf(GFP_KERNEL/s ();
  mutex_unlock(&hiddev->existancelock);
 } else {
  mutex_unlock(&hiddev->existancelock);
  kfree(hiddev);
}
}