netdev - [patch net-next] rxrpc: checking for IS

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Message-ID: <20160618084403.GC21713@mwanda>
Date:	Sat, 18 Jun 2016 11:44:03 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	"David S. Miller" <davem@...emloft.net>,
	David Howells <dhowells@...hat.com>
Cc:	Eric Dumazet <edumazet@...gle.com>,
	Willem de Bruijn <willemb@...gle.com>,
	netdev@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [patch net-next] rxrpc: checking for IS_ERR() instead of NULL

rxrpc_lookup_peer_rcu() returns NULL on error, it never returns error
pointers.

Fixes: be6e6707f6ee ('rxrpc: Rework peer object handling to use hash table and RCU')
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c
index 47fb167..e11e4d7 100644
--- a/net/rxrpc/input.c
+++ b/net/rxrpc/input.c
@@ -639,7 +639,7 @@ static struct rxrpc_connection *rxrpc_conn_from_local(struct rxrpc_local *local,
 	rxrpc_get_addr_from_skb(local, skb, &srx);
 	rcu_read_lock();
 	peer = rxrpc_lookup_peer_rcu(local, &srx);
-	if (IS_ERR(peer))
+	if (!peer)
 		goto cant_find_peer;
 
 	trans = rxrpc_find_transport(local, peer);