Commit 17f48ec3 authored Jul 17, 2006 by Clemens Ladisch Committed by Jaroslav Kysela Sep 23, 2006

[ALSA] system timer: fix lost ticks correction adjustment



Fix the adjustment of the lost ticks correction variable in the case
when the correction has been fully taken into account in the next timer
expiration value.  Subtracting the scheduled ticks value would result in
an underflow.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

parent 7bc5ba7e

sound/core/timer.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -987,7 +987,7 @@ static int snd_timer_s_start(struct snd_timer * timer)
		njiff++;
		} else {
		njiff += timer->sticks - priv->correction;
		priv->correction -= timer->sticks;
		priv->correction = 0;
		}
		priv->last_expires = priv->tlist.expires = njiff;
		add_timer(&priv->tlist);