[PATCH v1 3/3] ASoC: ops: Reject out of bounds values in snd_soc_put_xr_sx()

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 --- sound/soc/soc-ops.c | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/sound/soc/soc-ops.c b/sound/soc/soc-ops.c index c31e63b27193..dc0e7c8d31f3 100644 --- a/sound/soc/soc-ops.c +++ b/sound/soc/soc-ops.c @@ -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;