[PATCH 3.2 073/149] ASoC: max98095: a couple array underflows

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3.2.52-rc1 review patch.  If anyone has any objections, please let me know.

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

From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

commit f8d7b13e14357ed19d2ca2799539600418dc3939 upstream.

The ->put() function are called from snd_ctl_elem_write() with user
supplied data.  The limit checks here could underflow leading to a
crash.

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
 sound/soc/codecs/max98095.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/sound/soc/codecs/max98095.c
+++ b/sound/soc/codecs/max98095.c
@@ -1861,7 +1861,7 @@ static int max98095_put_eq_enum(struct s
 	struct max98095_pdata *pdata = max98095->pdata;
 	int channel = max98095_get_eq_channel(kcontrol->id.name);
 	struct max98095_cdata *cdata;
-	int sel = ucontrol->value.integer.value[0];
+	unsigned int sel = ucontrol->value.integer.value[0];
 	struct max98095_eq_cfg *coef_set;
 	int fs, best, best_val, i;
 	int regmask, regsave;
@@ -2014,7 +2014,7 @@ static int max98095_put_bq_enum(struct s
 	struct max98095_pdata *pdata = max98095->pdata;
 	int channel = max98095_get_bq_channel(codec, kcontrol->id.name);
 	struct max98095_cdata *cdata;
-	int sel = ucontrol->value.integer.value[0];
+	unsigned int sel = ucontrol->value.integer.value[0];
 	struct max98095_biquad_cfg *coef_set;
 	int fs, best, best_val, i;
 	int regmask, regsave;

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