mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-02 23:27:06 +00:00
Code Issues Releases Wiki Activity

ASoC: ops: Reject out of bounds values in snd_soc_put_xr_sx()

Browse source 
We don't currently validate that the values being set are within the range
we advertised to userspace as being valid, do so and reject any values
that are out of range.

Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20220124153253.3548853-4-broonie@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Mark Brown 2022-01-24 15:32:53 +00:00
parent 4f1e50d6a9
commit 4cf28e9ae6
No known key found for this signature in database
GPG key ID: 24D68B725D5487D0
1 changed files with 2 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
sound/soc/soc-ops.c
View file

@ -879,6 +879,8 @@ int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
long val = ucontrol->value.integer.value[0];
unsigned int i;
if (val < mc->min || val > mc->max)
return -EINVAL;
if (invert)
val = max - val;
val &= mask;