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uwb: use time_after() when purging stale beacons 

Signed-off-by: David Vrabel <david.vrabel@csr.com>
This commit is contained in:
David Vrabel 2008-10-15 14:41:56 +01:00
parent 99ee3a6d45
commit 45c16cd928
1 changed files with 4 additions and 3 deletions
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7
drivers/uwb/beacon.c
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@ -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);