diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 2f1fd9ffcb34aacda122f996e8b5ae294350b412..312e0ff47339be3a3ffa8981c9e1b1cb7f5a551b 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -336,7 +336,7 @@ static struct mr6_table *ip6mr_new_table(struct net *net, u32 id)
 
 static void ip6mr_free_table(struct mr6_table *mrt)
 {
-	del_timer(&mrt->ipmr_expire_timer);
+	del_timer_sync(&mrt->ipmr_expire_timer);
 	mroute_clean_tables(mrt);
 	kfree(mrt);
 }