[ALSA] soc - 0.13 ASoC DAPM bug fix for unnamed streams
authorSeth Forshee <seth.forshee@gmail.com>
Fri, 2 Feb 2007 16:14:19 +0000 (17:14 +0100)
committerJaroslav Kysela <perex@suse.cz>
Fri, 9 Feb 2007 08:03:37 +0000 (09:03 +0100)
This patch fixes a bug whereby an unnamed stream would cause a NULL
pointer ref in snd_soc_dapm_stream_event().

Signed-off-by: Seth Forshee <seth.forshee@gmail.com>
Signed-off-by: Liam Girdwood <lg@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
sound/soc/soc-dapm.c

index 5c2a34956a5da283cb14dfaf349318a99824162b..d0162a4cb7fd2df95c8c163fd54ecbb84dfd8185 100644 (file)
@@ -1239,6 +1239,9 @@ int snd_soc_dapm_stream_event(struct snd_soc_codec *codec,
 {
        struct snd_soc_dapm_widget *w;
 
+       if (stream == NULL)
+               return 0;
+
        mutex_lock(&codec->mutex);
        list_for_each_entry(w, &codec->dapm_widgets, list)
        {