net/neighbour: cancel_delayed_work() + flush_scheduled_work() -> cancel_delayed_work_sync()

flush_scheduled_work() is going away.  Prepare for it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 2 deletions

diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index b165b96355bf..8cc8f9a79db9 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1588,8 +1588,7 @@ int neigh_table_clear(struct neigh_table *tbl)
         struct neigh_table **tp;
 
         /* It is not clean... Fix it to unload IPv6 module safely */
-        cancel_delayed_work(&tbl->gc_work);
-        flush_scheduled_work();
+        cancel_delayed_work_sync(&tbl->gc_work);
         del_timer_sync(&tbl->proxy_timer);
         pneigh_queue_purge(&tbl->proxy_queue);
         neigh_ifdown(tbl, NULL);