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| author | Takashi Iwai <tiwai@suse.de> | 2007-11-15 18:17:24 +0300 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2008-01-31 19:29:25 +0300 |
| commit | 3b892467786410f26dffc2c7bccd3ea445604037 (patch) | |
| tree | 4a70f86b1545e9be95d987fc248cac3cebbbd9a8 /sound/isa/opti9xx | |
| parent | 498ade1a133dffd0f3ee90952737045d56e6689a (diff) | |
| download | linux-3b892467786410f26dffc2c7bccd3ea445604037.tar.xz | |
[ALSA] Check value range in ctl callbacks
Check the value ranges in ctl put callbacks properly (in the rest drivers).
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Diffstat (limited to 'sound/isa/opti9xx')
| -rw-r--r-- | sound/isa/opti9xx/miro.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sound/isa/opti9xx/miro.c b/sound/isa/opti9xx/miro.c index d295936611f8..c2baf4cfb958 100644 --- a/sound/isa/opti9xx/miro.c +++ b/sound/isa/opti9xx/miro.c @@ -483,6 +483,10 @@ static int snd_miro_put_double(struct snd_kcontrol *kcontrol, /* equalizer elements */ + if (left < -0x7f || left > 0x7f || + right < -0x7f || right > 0x7f) + return -EINVAL; + if (left_old > 0x80) left_old = 0x80 - left_old; if (right_old > 0x80) @@ -520,6 +524,10 @@ static int snd_miro_put_double(struct snd_kcontrol *kcontrol, /* non-equalizer elements */ + if (left < 0 || left > 0x20 || + right < 0 || right > 0x20) + return -EINVAL; + left_old = 0x20 - left_old; right_old = 0x20 - right_old; |