Takashi Iwai c0527b93dc ALSA: control: Add sanity checks for user ctl id name string ...

[ Upstream commit be3bb8236d ]

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>

2015-03-28 09:49:48 -04:00

45 KiB

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