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Commit e00c5d8b authored by Andrew Morton's avatar Andrew Morton Committed by Dan Williams
Browse files

I/OAT: warning fix 


net/ipv4/tcp.c: In function 'tcp_recvmsg':
net/ipv4/tcp.c:1111: warning: unused variable 'available'

Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarChris Leech <christopher.leech@intel.com>
parent 2b1244a4

net/ipv4/tcp.c

+16 −10
Original line number Diff line number Diff line
@@ -1116,7 +1116,6 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, 
	long timeo;

	struct task_struct *user_recv = NULL;

	int copied_early = 0;

	int available = 0;

	struct sk_buff *skb;



	lock_sock(sk);
@@ -1145,15 +1144,22 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, 
	tp->ucopy.dma_chan = NULL;

	preempt_disable();

	skb = skb_peek_tail(&sk->sk_receive_queue);

	{

		int available = 0;



		if (skb)

			available = TCP_SKB_CB(skb)->seq + skb->len - (*seq);

		if ((available < target) &&

		    (len > sysctl_tcp_dma_copybreak) && !(flags & MSG_PEEK) &&

	    !sysctl_tcp_low_latency && __get_cpu_var(softnet_data).net_dma) {

		    !sysctl_tcp_low_latency &&

		    __get_cpu_var(softnet_data).net_dma) {

			preempt_enable_no_resched();

		tp->ucopy.pinned_list = dma_pin_iovec_pages(msg->msg_iov, len);

	} else

			tp->ucopy.pinned_list =

					dma_pin_iovec_pages(msg->msg_iov, len);

		} else {

			preempt_enable_no_resched();

		}

	}

#endif



	do {