tree 844ead97a7f2fcb4dfcb59e078f19c7a22544dcb
parent ddb6ca75b5671b8fbf1909bc588c449ee74b34f9
author Takashi Iwai <tiwai@suse.de> 1426093969 +0100
committer Takashi Iwai <tiwai@suse.de> 1426142198 +0100

ALSA: control: Add sanity checks for user ctl id name string

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>