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Commit 8a6cf30b authored by Manuel Lauss's avatar Manuel Lauss Committed by Mark Brown
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ASoC: wm8731: init mutex in i2c init path 



The I2C init path forgot to init the mutex, leading to an oops when
controls are accessed.

Signed-off-by: default avatarManuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
parent 97bf6af1

sound/soc/codecs/wm8731.c

+2 −0
Original line number Diff line number Diff line
@@ -717,6 +717,8 @@ static int wm8731_i2c_probe(struct i2c_client *i2c, 
	if (wm8731 == NULL)

		return -ENOMEM;



	mutex_init(&wm8731->lock);



	wm8731->regmap = devm_regmap_init_i2c(i2c, &wm8731_regmap);

	if (IS_ERR(wm8731->regmap)) {

		ret = PTR_ERR(wm8731->regmap);