[05/26] ASoC: Dont use wm8994->control_data in wm8994_readable_register()

[Greg KH]

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

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

From: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>

commit 8eeea521d9d0fa6afd62df8c6e6566ee946117fa upstream.

The field is no longer initialised so this will crash if running on
wm8958.

Reported-by: Thomas Abraham <thomas.abraham@xxxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 sound/soc/codecs/wm8994.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -56,7 +56,7 @@ static int wm8994_retune_mobile_base[] =
 static int wm8994_readable(struct snd_soc_codec *codec, unsigned int reg)
 {
 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
-	struct wm8994 *control = wm8994->control_data;
+	struct wm8994 *control = codec->control_data;
 
 	switch (reg) {
 	case WM8994_GPIO_1:


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