diff options
Diffstat (limited to 'sound/core/vmaster.c')
| -rw-r--r-- | sound/core/vmaster.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sound/core/vmaster.c b/sound/core/vmaster.c index 04a57f7be6ea..c657659b236c 100644 --- a/sound/core/vmaster.c +++ b/sound/core/vmaster.c @@ -199,6 +199,12 @@ static int follower_put(struct snd_kcontrol *kcontrol, if (err < 0) return err; for (ch = 0; ch < follower->info.count; ch++) { + if (ucontrol->value.integer.value[ch] < follower->info.min_val || + ucontrol->value.integer.value[ch] > follower->info.max_val) + return -EINVAL; + } + + for (ch = 0; ch < follower->info.count; ch++) { if (follower->vals[ch] != ucontrol->value.integer.value[ch]) { changed = 1; follower->vals[ch] = ucontrol->value.integer.value[ch]; @@ -365,6 +371,8 @@ static int master_put(struct snd_kcontrol *kcontrol, new_val = ucontrol->value.integer.value[0]; if (new_val == old_val) return 0; + if (new_val < master->info.min_val || new_val > master->info.max_val) + return -EINVAL; err = sync_followers(master, old_val, new_val); if (err < 0) |