rxrpc: Make sure we initialise the peer hash key

Peer records created for incoming connections weren't getting their hash
key set.  This meant that incoming calls wouldn't see more than one DATA
packet - which is not a problem for AFS CM calls with small request data
blobs.
Signed-off-by: David Howells <dhowells@redhat.com>

net/rxrpc/peer_object.c

@@ -203,6 +203,7 @@ struct rxrpc_peer *rxrpc_alloc_peer(struct rxrpc_local *local, gfp_t gfp)
  */
 static void rxrpc_init_peer(struct rxrpc_peer *peer, unsigned long hash_key)
 {
+	peer->hash_key = hash_key;
 	rxrpc_assess_MTU_size(peer);
 	peer->mtu = peer->if_mtu;
 
@@ -238,7 +239,6 @@ static struct rxrpc_peer *rxrpc_create_peer(struct rxrpc_local *local,
 
 	peer = rxrpc_alloc_peer(local, gfp);
 	if (peer) {
-		peer->hash_key = hash_key;
 		memcpy(&peer->srx, srx, sizeof(*srx));
 		rxrpc_init_peer(peer, hash_key);
 	}