neigh: only allow init_net to change the default neigh_parms

[platform/adaptation/renesas_rcar/renesas_kernel.git] / net / core / neighbour.c

diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 53eab51..86f9b16 100644 (file)
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1419,7 +1419,7 @@ static inline struct neigh_parms *lookup_neigh_parms(struct neigh_table *tbl,
 
        for (p = &tbl->parms; p; p = p->next) {
                if ((p->dev && p->dev->ifindex == ifindex && net_eq(neigh_parms_net(p), net)) ||
-                   (!p->dev && !ifindex))
+                   (!p->dev && !ifindex && net_eq(net, &init_net)))
                        return p;
        }