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

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[ Upstream commit 5871321fb4 ]

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: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20220604105246.4055214-1-broonie@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Mark Brown
2022-06-04 11:52:46 +01:00
committed by Chris
parent 880257bce9
commit fefe6a1e7b
1 changed files with 2 additions and 2 deletions
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4
sound/soc/soc-ops.c
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@@ -535,7 +535,7 @@ 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)
@@ -556,7 +556,7 @@ 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)