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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 16:08:31 -0700
commit9cea6e1ab0be55708d4aacf62dd69f99c700b9ab (patch)
treeaa405209fa9da28566e4773026c3c01e3eb528f2 /sound
parent517ff99417cf9a27a6c4f34f99977505d9928785 (diff)
downloadvexpress-lsk-9cea6e1ab0be55708d4aacf62dd69f99c700b9ab.tar.gz
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 41cdd164297..8dbcacd44e6 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;