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ASoC: samsung: Add NULL check in i2s.c 

'res' could be NULL from one of the operations above (line 1243). Thus
check 'res' for NULL before releasing the region to avoid null pointer
dereference.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Sachin Kamat 2014-01-24 16:23:22 +05:30 committed by Mark Brown
parent 9b35a7b65f
commit 57e33781ce
1 changed files with 2 additions and 1 deletions
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3
sound/soc/samsung/i2s.c
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@ -1268,7 +1268,8 @@ static int samsung_i2s_probe(struct platform_device *pdev)
return 0;
err:
release_mem_region(regs_base, resource_size(res));
if (res)
release_mem_region(regs_base, resource_size(res));
return ret;
}