ALSA: timer: Fix link corruption due to double start or stop

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / sound / core / pcm.c

diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index 17f45e8aa89cd49561cce6c40cbc174f416d9c49..e1e9e0c999fefa854a507e623b821371ebf00b78 100644 (file)
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -49,6 +49,8 @@ static struct snd_pcm *snd_pcm_get(struct snd_card *card, int device)
        struct snd_pcm *pcm;
 
        list_for_each_entry(pcm, &snd_pcm_devices, list) {
+               if (pcm->internal)
+                       continue;
                if (pcm->card == card && pcm->device == device)
                        return pcm;
        }
@@ -60,6 +62,8 @@ static int snd_pcm_next(struct snd_card *card, int device)
        struct snd_pcm *pcm;
 
        list_for_each_entry(pcm, &snd_pcm_devices, list) {
+               if (pcm->internal)
+                       continue;
                if (pcm->card == card && pcm->device > device)
                        return pcm->device;
                else if (pcm->card->number > card->number)