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ALSA: control: Add sanity checks for user ctl id name string
authorTakashi Iwai <tiwai@suse.de>
Wed, 11 Mar 2015 17:12:49 +0000 (18:12 +0100)
committerSasha Levin <sasha.levin@oracle.com>
Sat, 28 Mar 2015 13:49:48 +0000 (09:49 -0400)
commitc0527b93dce28eeb93ac97008511952bca7da762
tree5fcd983769286c6b1771e63f32b28cc9244f6a94tree | snapshot
parent095ea4b422e73946922e511f209b22726013eb96commit | diff
ALSA: control: Add sanity checks for user ctl id name string

[ Upstream commit be3bb8236db2d0fcd705062ae2e2a9d75131222f ]

There was no check about the id string of user control elements, so we
accepted even a control element with an empty string, which is
obviously bogus.  This patch adds more sanity checks of id strings.

Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
sound/core/control.c diff | blob | history
Domain: System / Kernel; Licenses: GPL-2.0;