[alsa-devel] [PATCH 3/4] ASoC: pcm3008: Check for platform data

From: Mark Brown broonie@linaro.org

The driver will crash if none is provided.

Signed-off-by: Mark Brown broonie@linaro.org --- sound/soc/codecs/pcm3008.c | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/sound/soc/codecs/pcm3008.c b/sound/soc/codecs/pcm3008.c index 8ab1c03..4fa4ded 100644 --- a/sound/soc/codecs/pcm3008.c +++ b/sound/soc/codecs/pcm3008.c @@ -92,6 +92,9 @@ static int pcm3008_codec_probe(struct platform_device *pdev) struct pcm3008_setup_data *setup = pdev->dev.platform_data; int ret;

+ if (!setup) + return -EINVAL; + /* DEM1 DEM0 DE-EMPHASIS_MODE * Low Low De-emphasis 44.1 kHz ON * Low High De-emphasis OFF