ipv6: Use ERR_CAST in addrconf_dst_alloc.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 053a92e..59f2a58 100644 (file)
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2022,12 +2022,7 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev,
        if (IS_ERR(neigh)) {
                dst_free(&rt->dst);
 
-               /* We are casting this because that is the return
-                * value type.  But an errno encoded pointer is the
-                * same regardless of the underlying pointer type,
-                * and that's what we are returning.  So this is OK.
-                */
-               return (struct rt6_info *) neigh;
+               return ERR_CAST(neigh);
        }
        rt->rt6i_nexthop = neigh;