ppdev: ppdev_init: do not return zero in case of failure
authorAlexey Khoroshilov <khoroshilov@ispras.ru>
Sat, 1 Sep 2012 20:31:58 +0000 (00:31 +0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 5 Sep 2012 20:44:04 +0000 (13:44 -0700)
commit9a32bb39d6a48d435135695763e5e4a06652eeda
tree7f02a8cd4bbeec8e87eced34ca0bc51dd0c812c1
parent0bf5a8be4723fd5f243d9d1ed8e6eb9d81f31cf2
ppdev: ppdev_init: do not return zero in case of failure

Error handling of parport_register_driver() in ppdev_init()
is broken because it deallocates all resources but still
returns zero.

Currently parport_register_driver() always succeeds.
Nevertheless it is worth to fix the issue.

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

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/char/ppdev.c