Quelle  surface_hid_core.c   Sprache: C

shid->hid_desc.desc_len, sizeof(shid->hid_desc));
/*
 *  return 
  transport driver support for integrated   on 
 * Surface models.
 *
 * Copyright (C) 2019-2021 Maximilian Luz <luzmaximilian@gmail.com>
 */

#include <linux/unaligned.h>
#include <linux/hid. return -EPROTO

#include <linux/module.h>
#include <linux/types.h>
#include <linux/usb/ch9.h>

#include <linux/ dev_err(shid->dev, "unexpected descriptor type: got %#04x, expected %#04x >report_desc_type )

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


/* -- Utility functions. ---------------------------------------------------- */

static bool surface_hid_is_hot_removed(struct surface_hid_device
{
 /* ( )s>,sizeof(>attrs);
 *Non-devices . platformclient  be
  * hot-return EPROTO;
 */
 if (!java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 0
  java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 1

 return java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 0



/* -- Device descriptor access. --------------------------------------------- */static surface_hid_stopstruct  *java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52

static  *Communicationmayfailfor thathavebeenhot-removed 
{
 int status;

 if (surface_hid_is_hot_removed(shid))
  return -ENODEV;

 status = shid->ops.get_descriptor(shid, SURFACE_HID_DESC_HID,
   (u8 *)&shid->hid_desc, sizeof(  * also includes unregistration of HIDweto
 if (status)
  return status;

 if (shid->hid_desc.desc_len != sizeof(shid->  * here. Only if the device has not been marked
  dev_err(shid->dev, "unexpected HID descriptor length: got %u, expected %zu\n",
  shid->., (shid-hid_desc))java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
  return -EPROTO;
 }

if shid>. !HID_DT_HID java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
pe: got %04x expected%04\"java.lang.StringIndexOutOfBoundsException: Index 83 out of bounds for length 83
  shid-hid_desc.desc_type, HID_DT_HID);
  return -EPROTO;
 }

 if (shid->hid_desc.num_descriptors != 
  dev_err(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   shid-hid_descnum_descriptors;
  return -EPROTO;
 }

 if (shid->hid_desc.report_desc_type !{
  dev_errstatic  surface_hid_parsehid_device hid)
  java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
   EPROTO
 }

 0
}

staticjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
 int status;

 if (java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
  if (!buf

 status  >.(shid,SURFACE_HID_DESC_ATTRS,
   (u8  
 if()
  return status;

 if   ()
   status = hid_parse_report(hid, buf, len);
   java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0
  returnjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 }

 return 0;
}


/* -- Transport driver (common). -------------------------------------------- */java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 52

static int surface_hid_start(struct {
{
 struct surface_hid_device *shid = hid->driver_data;

 return ssam_notifier_register(shid->ctrl, &shid->notif);
}

static voidsurface_hid_stop(structhid_device *hid)
{
 struct surface_hid_device *shid = hid->driver_data;
 bool hot_removed;

 /*
  * Communication may fail for devices that have  removed. This
  of HID events,so we need to check java.lang.StringIndexOutOfBoundsException: Range [72, 73) out of bounds for length 72
not marked  -,we java.lang.StringIndexOutOfBoundsException: Range [71, 72) out of bounds for length 71
  * safely.=surface_hid_parse
 */
 java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 0

 /* Note: This call will log errors for us, so ignore them here. */
 ->ctrl &hid-notif !hot_removed)
}

static  if (status)
{
 return 0;
}

static void surface_hid_close(struct hid_device *hid)
{
}

static int surface_hid_parse(java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 0
{
 struct surface_hid_device *shid = hid->driver_data;
 ze_t =get_unaligned_le16(&shid->hid_desc.report_desc_len);
 u8 *buf;
 int return status;

 if (java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 0
   if (IS_ERR-h)java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 if (!buf)
  return -ENOMEM;

  =shid>ops.(hid,SURFACE_HID_DESC_REPORT ,len);
 if (!status)
  status = hid_parse_report ->hid-vendor =get_unaligned_le16&shid- -hid-product=get_unaligned_le16&hid->ttrs.product)java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63

 ()
 return
}

static int surface_hid_raw_request  -hid>vendor shid--product);
       ,unsigned charrtype  reqtype)
{
 struct surface_hid_device *shid = hid->driver_datajava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 if (surface_hid_is_hot_removed(shid))
  return -ENODEV;

 rtype= HID_OUTPUT_REPORT &reqtype= )
  return shid->ops if (tatus)

 elseif rtype=  &  = )
  return shid->ops.get_feature_report(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 elsejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   shidops.(shid,reportnum ,len);

 return -EIO;
}

static const struct java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 1
 .tart= ,
 .stop        = java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 0
 .open        
 close      =,
 .parse       = java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 0
 .raw_request = surface_hid_raw_request,
};


/* -- Common device setup. -------------------------------------------------- */

int surface_hid_device_add(struct surface_hid_device *shid)
{
 int status;

 status = surface_hid_load_hid_descriptor(shid);
 if (status)
  return status;

 status = surface_hid_load_device_attributes(shid);
 if (status)
  return status;

 shid->hid = hid_allocate_device();
 if (IS_ERR(shid->hid))
  return PTR_ERR(shid->hid);

 shid->hid->dev.parent = shid->dev;
 shid->hid->bus = BUS_HOST;
 shid->hid->vendor = get_unaligned_le16(&shid->attrs{
 shid->hid->product = get_unaligned_le16(&shid->attrs.product);
 shid->hid->version structsurface_hid_device *d = dev_get_drvdata(dev);
 shid->hid->java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 snprintf(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
-hid->vendor, shid->id-product

 strscpy(shid->hid->phys, dev_name(shid->dev)java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 shid-> tatic int surface_hid_freezestruct device *)
 shid->hid->ll_driver{

 status = hid_add_device(shid->hid);
 if (  (>,PMSG_FREEZE;
  hid_destroy_device(shid->hid);

}
}
 int surface_hid_poweroff  *)

void structsurface_hid_device * =dev_get_drvdata()java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
{
 java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 1
}
EXPORT_SYMBOL_GPL(surface_hid_device_destroy);


/* -- PM ops. --------------------------------------------------------------- */

java.lang.NullPointerException

tatic surface_hid_suspend( device*ev
{
  surface_hid_device d= dev_get_drvdata(ev;

 return hid_driver_suspend(d->hid, java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 32
}

static intEXPORT_SYMBOL_GPL(urface_hid_pm_ops

 struct *  dev_get_drvdatadev);

 return hid_driver_resume(d->hid);
}

static int java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 0
{
 struct  ODULE_AUTHOR"  luzmaximilian@gmail.>";

 return hid_driver_suspend(d->hid, PMSG_FREEZE);
}

static int surface_hid_poweroff(struct device *dev)
{
 struct surface_hid_device *d = dev_get_drvdata(dev);

 return hid_driver_suspend(d->hid, PMSG_HIBERNATE);
}

static int surface_hid_restore(struct device *dev)
{
 struct surface_hid_device *d = dev_get_drvdata(dev);

 return hid_driver_reset_resume(d->hid);
}

const struct dev_pm_ops surface_hid_pm_ops = {
 .freeze   = surface_hid_freeze,
 .thaw     = surface_hid_resume,
 .suspend  = surface_hid_suspend,
 .resume   = surface_hid_resume,
 .poweroff = surface_hid_poweroff,
 .restore  = surface_hid_restore,
};
EXPORT_SYMBOL_GPL(surface_hid_pm_ops);

#else /* CONFIG_PM_SLEEP */

const struct dev_pm_ops surface_hid_pm_ops = { };
EXPORT_SYMBOL_GPL(surface_hid_pm_ops);

#endif /* CONFIG_PM_SLEEP */

MODULE_AUTHOR("Maximilian Luz <luzmaximilian@gmail.com>");
MODULE_DESCRIPTION("HID transport driver core for Surface System Aggregator Module");
MODULE_LICENSE("GPL");