ASoC: max98095: a couple array underflows

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@oracle.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org

1 files changed, 2 insertions, 2 deletions

diff --git a/sound/soc/codecs/max98095.c b/sound/soc/codecs/max98095.c
index 41cdd1642970..8dbcacd44e6a 100644
--- a/sound/soc/codecs/max98095.c
+++ b/sound/soc/codecs/max98095.c
@@ -1863,7 +1863,7 @@ static int max98095_put_eq_enum(struct snd_kcontrol *kcontrol,
         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;
@@ -2016,7 +2016,7 @@ static int max98095_put_bq_enum(struct snd_kcontrol *kcontrol,
         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;