diff options
Diffstat (limited to 'src/net')
| -rw-r--r-- | src/net/retry.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/net/retry.c b/src/net/retry.c index 0fb479522..3d9fb9899 100644 --- a/src/net/retry.c +++ b/src/net/retry.c @@ -64,10 +64,11 @@ static LIST_HEAD ( timers ); * be stopped and the timer's callback function will be called. */ void start_timer ( struct retry_timer *timer ) { + if ( ! timer->start ) + list_add ( &timer->list, &timers ); timer->start = currticks(); if ( timer->timeout < MIN_TIMEOUT ) timer->timeout = MIN_TIMEOUT; - list_add ( &timer->list, &timers ); DBG2 ( "Timer %p started\n", timer ); } @@ -82,9 +83,14 @@ void stop_timer ( struct retry_timer *timer ) { unsigned long old_timeout = timer->timeout; unsigned long runtime; + /* If timer was already stopped, do nothing */ + if ( ! timer->start ) + return; + DBG2 ( "Timer %p stopped\n", timer ); list_del ( &timer->list ); runtime = currticks() - timer->start; + timer->start = 0; /* Update timer. Variables are: * @@ -124,6 +130,7 @@ static void timer_expired ( struct retry_timer *timer ) { /* Stop timer without performing RTT calculations */ DBG2 ( "Timer %p stopped on expiry\n", timer ); list_del ( &timer->list ); + timer->start = 0; timer->count++; /* Back off the timeout value */ |