mpls: Send route delete notifications when router module is unloaded

When the mpls_router module is unloaded, mpls routes are deleted but notifications are not sent to userspace leaving userspace caches out of sync. Add the call to mpls_notify_route in mpls_net_exit as routes are freed. Fixes: 0189197 ("mpls: Basic routing support") Signed-off-by: David Ahern <[email protected]> Signed-off-by: David S. Miller <[email protected]>
jimmycarry · Mar 13, 2017 · e37791e · e37791e
1 parent 52491c7
commit e37791e
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c
@@ -2028,6 +2028,7 @@ static void mpls_net_exit(struct net *net)
 	for (index = 0; index < platform_labels; index++) {
 		struct mpls_route *rt = rtnl_dereference(platform_label[index]);
 		RCU_INIT_POINTER(platform_label[index], NULL);
+		mpls_notify_route(net, index, rt, NULL, NULL);
 		mpls_rt_free(rt);
 	}
 	rtnl_unlock();