summaryrefslogtreecommitdiff
path: root/sound/soc
diff options
context:
space:
mode:
authorPeter Ujfalusi <peter.ujfalusi@ti.com>2015-06-04 16:04:14 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-08-03 09:29:03 -0700
commit849349aa2dabe93aee517f337e2394ab62921393 (patch)
tree686014f530cbfacafe28a7109dd54f100c94cfa1 /sound/soc
parent01567c41cfbca8fdc28565f0c33e89bbcb87ae2d (diff)
ASoC: tas2552: Fix kernel crash when the codec is loaded but not part of a card
commit 80ba2669ec8c3e6517aa935001f6cb8809bf3df4 upstream. If the card is not part of any card the tas_data->codec is NULL since it is set only during snd_soc_codec_driver.probe, which is not yet called. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound/soc')
-rw-r--r--sound/soc/codecs/tas2552.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/soc/codecs/tas2552.c b/sound/soc/codecs/tas2552.c
index dfb4ff5cc9ea..1630c602ec86 100644
--- a/sound/soc/codecs/tas2552.c
+++ b/sound/soc/codecs/tas2552.c
@@ -120,6 +120,9 @@ static void tas2552_sw_shutdown(struct tas2552_data *tas_data, int sw_shutdown)
{
u8 cfg1_reg;
+ if (!tas_data->codec)
+ return;
+
if (sw_shutdown)
cfg1_reg = 0;
else