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authorDan Carpenter <dan.carpenter@oracle.com>2013-09-13 10:52:14 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-10-13 14:51:07 -0700
commita7abc25bd4142a45bbcd90281a1869850a922876 (patch)
tree24e179a90c4de71b7dff76068878733f459eb867 /sound
parent67a8bceeb8f58b365104b0b35285205bff488727 (diff)
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ASoC: max98095: a couple array underflows
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@oracle.com> Signed-off-by: Mark Brown <broonie@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/max98095.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/soc/codecs/max98095.c b/sound/soc/codecs/max98095.c
index e1d282d..51bac5c 100644
--- a/sound/soc/codecs/max98095.c
+++ b/sound/soc/codecs/max98095.c
@@ -1865,7 +1865,7 @@ 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;
@@ -2011,7 +2011,7 @@ static int max98095_put_bq_enum(struct snd_kcontrol *kcontrol,
struct max98095_pdata *pdata = max98095->pdata;
int channel = max98095_get_bq_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_biquad_cfg *coef_set;
int fs, best, best_val, i;
int regmask, regsave;