diff options
| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2015-06-04 16:04:14 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-06-04 17:49:46 +0100 |
| commit | 80ba2669ec8c3e6517aa935001f6cb8809bf3df4 (patch) | |
| tree | 7014149c60e2edadbfb3407a6dbf23441fe2cc13 /sound/soc/codecs/tas2552.c | |
| parent | ea178d1456dcf88875d5edd148f2df8ea0de1794 (diff) | |
| download | lwn-80ba2669ec8c3e6517aa935001f6cb8809bf3df4.tar.gz lwn-80ba2669ec8c3e6517aa935001f6cb8809bf3df4.zip | |
ASoC: tas2552: Fix kernel crash when the codec is loaded but not part of a card
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>
Cc: stable@vger.kernel.org
Diffstat (limited to 'sound/soc/codecs/tas2552.c')
| -rw-r--r-- | sound/soc/codecs/tas2552.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/soc/codecs/tas2552.c b/sound/soc/codecs/tas2552.c index ff82f46ba504..df89947f1032 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 |