ASoC: ops: Fix off by one in range control validation

stable inclusion
from stable-v5.10.132
commit 13fb9105cfc9693d1218ab8a6dbf7a51abd1333d
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I5YS3T

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=13fb9105cfc9693d1218ab8a6dbf7a51abd1333d

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

[ Upstream commit 5871321f ]

We currently report that range controls accept a range of 0..(max-min) but
accept writes in the range 0..(max-min+1). Remove that extra +1.
Signed-off-by: NMark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20220604105246.4055214-1-broonie@kernel.orgSigned-off-by: NMark Brown <broonie@kernel.org>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
Acked-by: NXie XiuQi <xiexiuqi@huawei.com>

sound/soc/soc-ops.c

@@ -517,7 +517,7 @@ int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
 		return -EINVAL;
 	if (mc->platform_max && tmp > mc->platform_max)
 		return -EINVAL;
-	if (tmp > mc->max - mc->min + 1)
+	if (tmp > mc->max - mc->min)
 		return -EINVAL;
 
 	if (invert)
@@ -538,7 +538,7 @@ int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
 			return -EINVAL;
 		if (mc->platform_max && tmp > mc->platform_max)
 			return -EINVAL;
-		if (tmp > mc->max - mc->min + 1)
+		if (tmp > mc->max - mc->min)
 			return -EINVAL;
 
 		if (invert)