ALSA: rawmidi: Remove kernel WARNING for NULL user-space buffer check
authorTakashi Iwai <tiwai@suse.de>
Mon, 1 Feb 2016 11:04:55 +0000 (12:04 +0100)
committerTakashi Iwai <tiwai@suse.de>
Mon, 1 Feb 2016 11:22:59 +0000 (12:22 +0100)
commitcc85f7a634cfaf9f0713c6aa06d08817424db37a
tree54d8a7ae120cf8c0b455d0a5f38cb30daca52a9d
parent2d1b5c08366acd46c35a2e9aba5d650cb5bf5c19
ALSA: rawmidi: Remove kernel WARNING for NULL user-space buffer check

NULL user-space buffer can be passed even in a normal path, thus it's
not good to spew a kernel warning with stack trace at each time.
Just drop snd_BUG_ON() macro usage there.

BugLink: http://lkml.kernel.org/r/CACT4Y+YfVJ3L+q0i-4vyQVyyPD7V=OMX0PWPi29x9Bo3QaBLdw@mail.gmail.com
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/core/rawmidi.c