diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/net/retry.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/net/retry.c b/src/net/retry.c index b65bb57e0..082be39bb 100644 --- a/src/net/retry.c +++ b/src/net/retry.c @@ -180,14 +180,20 @@ static void timer_expired ( struct retry_timer *timer ) { */ static void retry_step ( struct process *process __unused ) { struct retry_timer *timer; - struct retry_timer *tmp; unsigned long now = currticks(); unsigned long used; - list_for_each_entry_safe ( timer, tmp, &timers, list ) { + /* Process at most one timer expiry. We cannot process + * multiple expiries in one pass, because one timer expiring + * may end up triggering another timer's deletion from the + * list. + */ + list_for_each_entry ( timer, &timers, list ) { used = ( now - timer->start ); - if ( used >= timer->timeout ) + if ( used >= timer->timeout ) { timer_expired ( timer ); + break; + } } } |