[ 3.5.y.z extended stable ] Patch "ASoC: max98095: a couple array underflows" has been added to staging queue
Luis Henriques
luis.henriques at canonical.com
Fri Oct 11 10:24:28 UTC 2013
This is a note to let you know that I have just added a patch titled
ASoC: max98095: a couple array underflows
to the linux-3.5.y-queue branch of the 3.5.y.z extended stable tree
which can be found at:
http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.5.y-queue
If you, or anyone else, feels it should not be added to this tree, please
reply to this email.
For more information about the 3.5.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable
Thanks.
-Luis
------
>From 18988bbd5cdbf7e899bca7571928e95dc2ea5c51 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter at oracle.com>
Date: Fri, 13 Sep 2013 10:52:14 +0300
Subject: [PATCH] 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 at oracle.com>
Signed-off-by: Mark Brown <broonie at linaro.org>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
sound/soc/codecs/max98095.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/soc/codecs/max98095.c b/sound/soc/codecs/max98095.c
index 35179e2..bf80366 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;
--
1.8.3.2
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