From: Mark Brown <broonie@linaro.org>
Date: Wed, 10 Jul 2013 15:49:16 +0000 (+0100)
Subject: ASoC: pcm3008: Check for platform data
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=33319a2fcc4482a97a8924e777bc0036d1d96696;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

ASoC: pcm3008: Check for platform data

The driver will crash if none is provided.

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

diff --git a/sound/soc/codecs/pcm3008.c b/sound/soc/codecs/pcm3008.c
index 8ab1c03d26bd..4fa4ded30407 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