[ALSA] Fix substream to check in PCM drain

The check of a substream in snd_pcm_drain() might not be always correct
since runtime can point a different substream (although the PCM state
of each linked substream should be same, in theory).
This patch fixes it.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

1 files changed, 1 insertions, 1 deletions

diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index a96733a5beb8..59b29cd482ae 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -1487,7 +1487,7 @@ static int snd_pcm_drain(struct snd_pcm_substream *substream)
 
         snd_pcm_stream_lock_irq(substream);
         /* resume pause */
-        if (runtime->status->state == SNDRV_PCM_STATE_PAUSED)
+        if (substream->runtime->status->state == SNDRV_PCM_STATE_PAUSED)
                 snd_pcm_pause(substream, 0);
 
         /* pre-start/stop - all running streams are changed to DRAINING state */