commit bcb4a75bde3821cecb17a71d287abfd6ef9bd68d
author Alexey Khoroshilov <khoroshilov@ispras.ru> Wed Aug 15 23:31:45 2012 +0400
committer Jiri Kosina <jkosina@suse.cz> Wed Aug 15 21:37:09 2012 +0200
tree ac7c344f803ee7ce31f04ffb94ca133a02ea59eb
parent 2843b673d03421e0e73cf061820d1db328f7c8eb

HID: hidraw: improve error handling in hidraw_init()

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>