[alsa-devel] [PATCH v2 02/23] 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 --- sound/soc/codecs/tas2552.c | 3 +++ 1 file changed, 3 insertions(+)

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