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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)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 26 Mar 2015 12:59:43 +0000 (13:59 +0100)
commit7f582e8a47360fe30fb17100f9a5e272285831dc
tree9a4263ab69a3c4e8d1cd6e830b44a6e5a0523bd2tree | snapshot
parent2838a548aac0ea452e1e5dd2983c9b126726e986commit | diff
ALSA: control: Add sanity checks for user ctl id name string

commit be3bb8236db2d0fcd705062ae2e2a9d75131222f upstream.

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.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
sound/core/control.c diff | blob | history
Linux kernels and configurations used by Zygo.