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ASoC: ops: Fix off by one in range control validation
author
Mark Brown
<broonie@kernel.org>
Sat, 4 Jun 2022 10:52:46 +0000
(11:52 +0100)
committer
Mark Brown
<broonie@kernel.org>
Tue, 7 Jun 2022 19:38:08 +0000
(20:38 +0100)
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>
sound/soc/soc-ops.c
patch
|
blob
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diff --git
a/sound/soc/soc-ops.c
b/sound/soc/soc-ops.c
index
e693070
..
d867f44
100644
(file)
--- 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)