[alsa-devel] [patch] ASoC: wm8960: harmless underflow in wm8960_put_deemph()
We should only accept "deemph" values of zero and one, but by mistake we accept negatives as well. It's harmless but let's clean it up anyway.
Signed-off-by: Dan Carpenter dan.carpenter@oracle.com
diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c index e3b7d0c..dc47c2f 100644 --- a/sound/soc/codecs/wm8960.c +++ b/sound/soc/codecs/wm8960.c @@ -201,7 +201,7 @@ static int wm8960_put_deemph(struct snd_kcontrol *kcontrol, { struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); - int deemph = ucontrol->value.integer.value[0]; + unsigned int deemph = ucontrol->value.integer.value[0];
if (deemph > 1) return -EINVAL;
On Tue, Oct 13, 2015 at 10:09:19AM +0300, Dan Carpenter wrote:
We should only accept "deemph" values of zero and one, but by mistake we accept negatives as well. It's harmless but let's clean it up anyway.
Signed-off-by: Dan Carpenter dan.carpenter@oracle.com
Acked-by: Charles Keepax ckeepax@opensource.wolfsonmicro.com
Thanks, Charles
The patch
ASoC: wm8960: harmless underflow in wm8960_put_deemph()
has been applied to the asoc tree at
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git
All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted.
You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed.
If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced.
Please add any relevant lists and maintainers to the CCs when replying to this mail.
Thanks, Mark
From c1fe81f2cd30c18d7df444697bac8051fdf2aee6 Mon Sep 17 00:00:00 2001
From: Dan Carpenter dan.carpenter@oracle.com Date: Tue, 13 Oct 2015 10:09:19 +0300 Subject: [PATCH] ASoC: wm8960: harmless underflow in wm8960_put_deemph()
We should only accept "deemph" values of zero and one, but by mistake we accept negatives as well. It's harmless but let's clean it up anyway.
Signed-off-by: Dan Carpenter dan.carpenter@oracle.com Acked-by: Charles Keepax ckeepax@opensource.wolfsonmicro.com Signed-off-by: Mark Brown broonie@kernel.org --- sound/soc/codecs/wm8960.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c index e3b7d0c..dc47c2f 100644 --- a/sound/soc/codecs/wm8960.c +++ b/sound/soc/codecs/wm8960.c @@ -201,7 +201,7 @@ static int wm8960_put_deemph(struct snd_kcontrol *kcontrol, { struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec); - int deemph = ucontrol->value.integer.value[0]; + unsigned int deemph = ucontrol->value.integer.value[0];
if (deemph > 1) return -EINVAL;
participants (3)
-
Charles Keepax
-
Dan Carpenter
-
Mark Brown