Commit 09318c47 authored Apr 06, 2009 by Dan Carpenter Committed by Mark Brown Apr 06, 2009

ASoC: Fix null dereference in ak4535_remove()

ak4535_remove() from sound/soc/codecs/ak4535.c calls
i2c_unregister_device() with a possibly null pointer.

This bug was found by smatch (http://repo.or.cz/w/smatch.git/

).

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

parent 103f211d

sound/soc/codecs/ak4535.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -659,6 +659,7 @@ static int ak4535_remove(struct platform_device *pdev)
		snd_soc_free_pcms(socdev);
		snd_soc_dapm_free(socdev);
		#if defined(CONFIG_I2C) \|\| defined(CONFIG_I2C_MODULE)
		if (codec->control_data)
		i2c_unregister_device(codec->control_data);
		i2c_del_driver(&ak4535_i2c_driver);
		#endif