diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/core/control.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/core/control.c b/sound/core/control.c index 80bb3ed7c548..d7f4644b8602 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -278,6 +278,10 @@ static unsigned int snd_ctl_hole_check(struct snd_card *card, { struct snd_kcontrol *kctl; + /* Make sure that the ids assigned to the control do not wrap around */ + if (card->last_numid >= UINT_MAX - count) + card->last_numid = 0; + list_for_each_entry(kctl, &card->controls, list) { if ((kctl->id.numid <= card->last_numid && kctl->id.numid + kctl->count > card->last_numid) || |