| commit | fd9f26e4eca5d08a27d12c0933fceef76ed9663d | [log] [tgz] |
|---|---|---|
| author | Lars-Peter Clausen <lars@metafoo.de> | Wed Jun 18 13:32:33 2014 +0200 |
| committer | Takashi Iwai <tiwai@suse.de> | Wed Jun 18 15:13:07 2014 +0200 |
| tree | 1b68c534f868ec086cf78e864888c99bdb70f5b5 | |
| parent | 82262a46627bebb0febcc26664746c25cef08563 [diff] |
ALSA: control: Don't access controls outside of protected regions A control that is visible on the card->controls list can be freed at any time. This means we must not access any of its memory while not holding the controls_rw_lock. Otherwise we risk a use after free access. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Acked-by: Jaroslav Kysela <perex@perex.cz> Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>