ASoC: dapm - Fix check for codec context in dapm_power_widgets().

Fixes a NULL pointer dereference in dapm_power_widgets() if the dapm context
has no codec.

Signed-off-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 3ad1f59b8028..1f55ded4047f 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -1426,7 +1426,7 @@ static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event)
                         dapm->target_bias_level = SND_SOC_BIAS_ON;
                         break;
                 case SND_SOC_DAPM_STREAM_STOP:
-                        if (dapm->codec->active)
+                        if (dapm->codec && dapm->codec->active)
                                 dapm->target_bias_level = SND_SOC_BIAS_ON;
                         else
                                 dapm->target_bias_level = SND_SOC_BIAS_STANDBY;