net/can/af_can.c: Change del_timer to del_timer_sync

This is important for SMP platform to check if timer function is
executing on other CPU with deleting the timer.

Signed-off-by: Rajan Aggarwal <Rajan Aggarwal rajan.aggarwal85@gmail.com>
Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/can/af_can.c b/net/can/af_can.c
index 8ce926d..9b0c32a 100644 (file)
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -857,7 +857,7 @@ static __exit void can_exit(void)
        struct net_device *dev;
 
        if (stats_timer)
-               del_timer(&can_stattimer);
+               del_timer_sync(&can_stattimer);
 
        can_remove_proc();