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>
git-mirror · Jan 24, 2014 · 57e3378 · 57e3378
1 parent 9b35a7b
commit 57e3378
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
@@ -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;
 }