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authorMark Brown <broonie@kernel.org>2022-06-04 13:52:46 +0300
committerMark Brown <broonie@kernel.org>2022-06-07 22:38:08 +0300
commit5871321fb4558c55bf9567052b618ff0be6b975e (patch)
tree294904350b6cb8a3878faefd4c2cecc306987055 /sound/soc/soc-ops.c
parent073350da0aa2aead9df7927a1c1046ebf5cdd816 (diff)
downloadlinux-5871321fb4558c55bf9567052b618ff0be6b975e.tar.xz
ASoC: ops: Fix off by one in range control validation
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>
Diffstat (limited to 'sound/soc/soc-ops.c')
-rw-r--r--sound/soc/soc-ops.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/soc/soc-ops.c b/sound/soc/soc-ops.c
index e693070f51fe..d867f449d82d 100644
--- a/sound/soc/soc-ops.c
+++ b/sound/soc/soc-ops.c
@@ -526,7 +526,7 @@ 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)
@@ -547,7 +547,7 @@ 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)