diff options
Diffstat (limited to 'drivers/uwb/beacon.c')
| -rw-r--r-- | drivers/uwb/beacon.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/uwb/beacon.c b/drivers/uwb/beacon.c index f65a52c0afa..1ccf9eb3e08 100644 --- a/drivers/uwb/beacon.c +++ b/drivers/uwb/beacon.c @@ -298,11 +298,12 @@ struct uwb_beca_e *__uwb_beca_add(struct uwb_rc_evt_beacon *be, void uwb_beca_purge(void) { struct uwb_beca_e *bce, *next; - unsigned long now = jiffies; + unsigned long expires; + mutex_lock(&uwb_beca.mutex); list_for_each_entry_safe(bce, next, &uwb_beca.list, node) { - if (now - bce->ts_jiffies - > msecs_to_jiffies(beacon_timeout_ms)) { + expires = bce->ts_jiffies + msecs_to_jiffies(beacon_timeout_ms); + if (time_after(jiffies, expires)) { uwbd_dev_offair(bce); list_del(&bce->node); uwb_bce_put(bce); |