From patchwork Fri Feb 15 22:57:45 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [net-next,1/3] tipc: eliminate duplicated discard_rx_queue routine Date: Fri, 15 Feb 2013 12:57:45 -0000 From: Paul Gortmaker X-Patchwork-Id: 220893 Message-Id: <1360969067-29956-2-git-send-email-paul.gortmaker@windriver.com> To: David Miller Cc: , Jon Maloy , Ying Xue , Paul Gortmaker From: Ying Xue The tipc function discard_rx_queue() is just a duplicated implementation of __skb_queue_purge(). Remove the former and directly invoke __skb_queue_purge(). In doing so, the underscores convey to the code reader, more information about the current locking state that is assumed. Signed-off-by: Ying Xue Signed-off-by: Jon Maloy Signed-off-by: Paul Gortmaker --- net/tipc/socket.c | 17 ++--------------- 1 file changed, 2 insertions(+), 15 deletions(-) diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 9b4e483..f6ceecd 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -129,19 +129,6 @@ static void advance_rx_queue(struct sock *sk) } /** - * discard_rx_queue - discard all buffers in socket receive queue - * - * Caller must hold socket lock - */ -static void discard_rx_queue(struct sock *sk) -{ - struct sk_buff *buf; - - while ((buf = __skb_dequeue(&sk->sk_receive_queue))) - kfree_skb(buf); -} - -/** * reject_rx_queue - reject all buffers in socket receive queue * * Caller must hold socket lock @@ -292,7 +279,7 @@ static int release(struct socket *sock) res = tipc_deleteport(tport->ref); /* Discard any remaining (connection-based) messages in receive queue */ - discard_rx_queue(sk); + __skb_queue_purge(&sk->sk_receive_queue); /* Reject any messages that accumulated in backlog queue */ sock->state = SS_DISCONNECTING; @@ -1637,7 +1624,7 @@ restart: case SS_DISCONNECTING: /* Discard any unreceived messages */ - discard_rx_queue(sk); + __skb_queue_purge(&sk->sk_receive_queue); /* Wake up anyone sleeping in poll */ sk->sk_state_change(sk);