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

stable inclusion
from stable-v5.10.99
commit 038f8b7caa74d29e020949a43ca368c93f6b29b9
bugzilla: https://gitee.com/openeuler/kernel/issues/I55O7H

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=038f8b7caa74d29e020949a43ca368c93f6b29b9

--------------------------------

commit 4f1e50d6 upstream.

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: NMark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20220124153253.3548853-3-broonie@kernel.orgSigned-off-by: NMark Brown <broonie@kernel.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NYu Liao <liaoyu15@huawei.com>
Reviewed-by: NWei Li <liwei391@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

sound/soc/soc-ops.c

@@ -423,8 +423,15 @@ int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
 	int err = 0;
 	unsigned int val, val_mask, val2 = 0;
 
+	val = ucontrol->value.integer.value[0];
+	if (mc->platform_max && val > mc->platform_max)
+		return -EINVAL;
+	if (val > max - min)
+		return -EINVAL;
+	if (val < 0)
+		return -EINVAL;
 	val_mask = mask << shift;
-	val = (ucontrol->value.integer.value[0] + min) & mask;
+	val = (val + min) & mask;
 	val = val << shift;
 
 	err = snd_soc_component_update_bits(component, reg, val_mask, val);