[ 02/27] ASoC: core: Fix to check return value of snd_soc_update_bits_locked()

[Greg Kroah-Hartman]

3.8-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Joonyoung Shim <jy0922.shim@xxxxxxxxxxx>

commit 0eaa6cca1f75e12e4f5ec62cbe887330fe3b5fe9 upstream.

It can be 0 or 1 return value of snd_soc_update_bits_locked() when it is
success. So just check return value is negative.

Signed-off-by: Joonyoung Shim <jy0922.shim@xxxxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 sound/soc/soc-core.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -2959,7 +2959,7 @@ int snd_soc_put_volsw_range(struct snd_k
 	val = val << shift;
 
 	ret = snd_soc_update_bits_locked(codec, reg, val_mask, val);
-	if (ret != 0)
+	if (ret < 0)
 		return ret;
 
 	if (snd_soc_volsw_is_stereo(mc)) {


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