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 5c49f976fc7..8d6e4bae740 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -288,6 +288,10 @@ static bool snd_ctl_remove_numid_conflict(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 + 1 + count && kctl->id.numid + kctl->count > card->last_numid + 1) { |