diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2013-09-13 10:52:14 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-10-13 18:14:27 -0700 |
| commit | 83b7e1568698b35be50f26eddfa17aafdb57e43d (patch) | |
| tree | 000fafea10f487a5ccaab39a9c30d15d623fd20d /sound/soc | |
| parent | e64141c1c311b840235d99baf17a3620cd35cb19 (diff) | |
| download | lwn-83b7e1568698b35be50f26eddfa17aafdb57e43d.tar.gz lwn-83b7e1568698b35be50f26eddfa17aafdb57e43d.zip | |
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/soc')
| -rw-r--r-- | sound/soc/codecs/max98095.c | 4 |
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; |