ALSA: hda - Always check array bounds in alc_get_line_out_pfx
authorDavid Henningsson <david.henningsson@canonical.com>
Wed, 17 Oct 2012 10:43:44 +0000 (12:43 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 21 Oct 2012 16:28:01 +0000 (09:28 -0700)
commitbb4e97376e84d98994a5f576e2bd080d3aeee232
tree870a9df57630a164c3520d1c663b009d97711375
parent7ec51fc74149ac5caafffce2b065e25ef621e2c1
ALSA: hda - Always check array bounds in alc_get_line_out_pfx

commit 71aa5ebe36a4e936eff281b375a4707b6a8320f2 upstream.

Even when CONFIG_SND_DEBUG is not enabled, we don't want to
return an arbitrary memory location when the channel count is
larger than we expected.

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
sound/pci/hda/patch_realtek.c