commit 33319a2fcc4482a97a8924e777bc0036d1d96696
author Mark Brown <broonie@linaro.org> Wed Jul 10 16:49:16 2013 +0100
committer Mark Brown <broonie@linaro.org> Mon Jul 15 11:11:03 2013 +0100
tree 186ce739e1cad53ac087f500ee4dba057b5a567d
parent d7f184958e5292280c1048df951932bbfcd95f60

ASoC: pcm3008: Check for platform data

The driver will crash if none is provided.

Signed-off-by: Mark Brown <broonie@linaro.org>

sound/soc/codecs/pcm3008.c

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 @@
 	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