3.0-stable review patch. If anyone has any objections, please let us know.
------------------ From: Takashi Iwai <ti...@suse.de> commit 0584ffa548b6e59aceb027112f23a55f0133400e upstream. A slave-timer instance has no timer reference, and this results in NULL-dereference at stopping the timer, typically called at closing the device. Reference: https://bugzilla.kernel.org/show_bug.cgi?id=40682 Signed-off-by: Takashi Iwai <ti...@suse.de> Signed-off-by: Greg Kroah-Hartman <gre...@suse.de> --- sound/core/timer.c | 2 ++ 1 file changed, 2 insertions(+) --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -531,6 +531,8 @@ int snd_timer_stop(struct snd_timer_inst if (err < 0) return err; timer = timeri->timer; + if (!timer) + return -EINVAL; spin_lock_irqsave(&timer->lock, flags); timeri->cticks = timeri->ticks; timeri->pticks = 0; _______________________________________________ stable mailing list stable@linux.kernel.org http://linux.kernel.org/mailman/listinfo/stable
