[ALSA] ppc-beep - handle errors from input_register_device()

ppc-beep: handle errors from input_register_device()
(Also fixed the wrong memory release in the error path.)

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
1 file changed