Unverified Commit 4cf28e9a authored by Mark Brown's avatar Mark Brown
Browse files

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: default avatarMark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20220124153253.3548853-4-broonie@kernel.org


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 4f1e50d6

sound/soc/soc-ops.c

+2 −0
Original line number Diff line number Diff line
@@ -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;