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authorAndrew Morton <akpm@osdl.org>2007-03-08 09:57:36 -0800
committerDan Williams <dan.j.williams@intel.com>2007-07-11 16:10:53 -0700
commite00c5d8b4d800b95b72b3f072e1d55d7c7034702 (patch)
tree737ffff95a250bcb344de7263e059eeb0df97678 /net/ipv4/tcp.c
parent2b1244a43be97f504494b557a7f7a65fe0d00dba (diff)
I/OAT: warning fix
net/ipv4/tcp.c: In function 'tcp_recvmsg': net/ipv4/tcp.c:1111: warning: unused variable 'available' Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Chris Leech <christopher.leech@intel.com>
Diffstat (limited to 'net/ipv4/tcp.c')
-rw-r--r--net/ipv4/tcp.c26
1 files changed, 16 insertions, 10 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 0eb7cf1002c..987b94403be 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -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);
- 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) {
- preempt_enable_no_resched();
- tp->ucopy.pinned_list = dma_pin_iovec_pages(msg->msg_iov, len);
- } else
- preempt_enable_no_resched();
+ {
+ 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) {
+ preempt_enable_no_resched();
+ tp->ucopy.pinned_list =
+ dma_pin_iovec_pages(msg->msg_iov, len);
+ } else {
+ preempt_enable_no_resched();
+ }
+ }
#endif
do {