From 0e4699e4a37be4cfa07f0340cef6a3fa6a46f5f8 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Sat, 18 Jun 2016 11:44:03 +0300 Subject: [PATCH] rxrpc: checking for IS_ERR() instead of NULL rxrpc_lookup_peer_rcu() and rxrpc_lookup_peer() return NULL on error, never error pointers, so IS_ERR() can't be used. Fix three callers of those functions. Fixes: be6e6707f6ee ('rxrpc: Rework peer object handling to use hash table and RCU') Signed-off-by: Dan Carpenter Signed-off-by: David Howells --- net/rxrpc/af_rxrpc.c | 4 ++-- net/rxrpc/call_accept.c | 2 +- net/rxrpc/input.c | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c index c83c3c75d665..9dd160bb16d2 100644 --- a/net/rxrpc/af_rxrpc.c +++ b/net/rxrpc/af_rxrpc.c @@ -247,8 +247,8 @@ struct rxrpc_transport *rxrpc_name_to_transport(struct rxrpc_sock *rx, /* find a remote transport endpoint from the local one */ peer = rxrpc_lookup_peer(rx->local, srx, gfp); - if (IS_ERR(peer)) - return ERR_CAST(peer); + if (!peer) + return ERR_PTR(-ENOMEM); /* find a transport */ trans = rxrpc_get_transport(rx->local, peer, gfp); diff --git a/net/rxrpc/call_accept.c b/net/rxrpc/call_accept.c index 50136c76ebd1..553b67c144e5 100644 --- a/net/rxrpc/call_accept.c +++ b/net/rxrpc/call_accept.c @@ -96,7 +96,7 @@ static int rxrpc_accept_incoming_call(struct rxrpc_local *local, notification->mark = RXRPC_SKB_MARK_NEW_CALL; peer = rxrpc_lookup_peer(local, srx, GFP_NOIO); - if (IS_ERR(peer)) { + if (!peer) { _debug("no peer"); ret = -EBUSY; goto error; diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c index 47fb167af3e4..e11e4d785127 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); -- 2.20.1