ASoC: ops: Fix bounds check for _sx controls

stable inclusion
from stable-v5.10.158
commit b50c9641897274c3faef5f95ac852f54b94be2e8
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I7NTXH

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=b50c9641897274c3faef5f95ac852f54b94be2e8

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

[ Upstream commit 698813ba ]

For _sx controls the semantics of the max field is not the usual one, max
is the number of steps rather than the maximum value. This means that our
check in snd_soc_put_volsw_sx() needs to just check against the maximum
value.

Fixes: 4f1e50d6 ("ASoC: ops: Reject out of bounds values in snd_soc_put_volsw_sx()")
Signed-off-by: NMark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20220511134137.169575-1-broonie@kernel.orgSigned-off-by: NMark Brown <broonie@kernel.org>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: Nsanglipeng <sanglipeng1@jd.com>

sound/soc/soc-ops.c

@@ -432,7 +432,7 @@ int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
 	val = ucontrol->value.integer.value[0];
 	if (mc->platform_max && val > mc->platform_max)
 		return -EINVAL;
-	if (val > max - min)
+	if (val > max)
 		return -EINVAL;
 	if (val < 0)
 		return -EINVAL;