net: remove struct neigh_table::pde

->pde isn't actually needed, since name is stashed in ->id.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/neighbour.h

@@ -180,9 +180,6 @@ struct neigh_table
 	__u32			hash_rnd;
 	unsigned int		hash_chain_gc;
 	struct pneigh_entry	**phash_buckets;
-#ifdef CONFIG_PROC_FS
-	struct proc_dir_entry	*pde;
-#endif
 };
 
 /* flags for neigh_update() */

net/core/neighbour.c

@@ -1424,9 +1424,8 @@ void neigh_table_init_no_netlink(struct neigh_table *tbl)
 		panic("cannot create neighbour cache statistics");
 
 #ifdef CONFIG_PROC_FS
-	tbl->pde = proc_create_data(tbl->id, 0, init_net.proc_net_stat,
-				    &neigh_stat_seq_fops, tbl);
-	if (!tbl->pde)
+	if (!proc_create_data(tbl->id, 0, init_net.proc_net_stat,
+			      &neigh_stat_seq_fops, tbl))
 		panic("cannot create neighbour proc dir entry");
 #endif