HID: hidraw: improve error handling in hidraw_init()

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Several improvements in error handling:
- do not report success if alloc_chrdev_region() failed
- check for error code of cdev_add()
- use unregister_chrdev_region() instead of unregister_chrdev()
  if class_create() failed

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

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Alexey Khoroshilov 2012-08-15 23:31:45 +04:00 • committed by Jiri Kosina

parent 2843b673d0

commit bcb4a75bde

1 changed files with 11 additions and 4 deletions

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drivers/hid/hidraw.c

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