Add checking of driver registration status and release allocated resources
if it failed.
Signed-off-by: NCyrill Gorcunov <gorcunov@gmail.com>
Cc: Pete Zaitcev <zaitcev@redhat.com>
Cc: "Luiz Fernando N. Capitulino" <lcapitulino@mandriva.com.br>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>