[PATCH] rxrpc: Fix set but unused variable 'usage' in rxrpc_get_peer().
From: David Miller <davem@davemloft.net>
Date: 2011-05-19 22:41:24
Subsystem:
networking [general], rxrpc sockets (af_rxrpc), the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, David Howells, Marc Dionne, Linus Torvalds
I backed off from trying to just eliminate this variable, since transforming atomic_inc_return() into atomic_inc() takes away the memory barriers. Signed-off-by: David S. Miller <davem@davemloft.net> --- net/rxrpc/ar-peer.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/net/rxrpc/ar-peer.c b/net/rxrpc/ar-peer.c
index b6ff063..2754f09 100644
--- a/net/rxrpc/ar-peer.c
+++ b/net/rxrpc/ar-peer.c@@ -157,6 +157,7 @@ struct rxrpc_peer *rxrpc_get_peer(struct sockaddr_rxrpc *srx, gfp_t gfp) /* we can now add the new candidate to the list */ peer = candidate; candidate = NULL; + usage = atomic_read(&peer->usage); list_add_tail(&peer->link, &rxrpc_peers); write_unlock_bh(&rxrpc_peer_lock);
@@ -171,7 +172,7 @@ success: &peer->srx.transport.sin.sin_addr, ntohs(peer->srx.transport.sin.sin_port)); - _leave(" = %p {u=%d}", peer, atomic_read(&peer->usage)); + _leave(" = %p {u=%d}", peer, usage); return peer; /* we found the peer in the list immediately */
--
1.7.4.4