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authorEric Dumazet <eric.dumazet@gmail.com>2010-09-06 15:13:50 +0400
committerDavid S. Miller <davem@davemloft.net>2010-09-07 05:48:45 +0400
commitdb40980fcdb560d7992b0511df16cdd3f7e381f3 (patch)
tree337b5c41bd55915a4b894ea6fe09a865e7dcb0e4 /net/sctp
parentd61702f1273b71c2809365a7806d7fe84fd77f15 (diff)
downloadlinux-db40980fcdb560d7992b0511df16cdd3f7e381f3.tar.xz
net: poll() optimizations
No need to test twice sk->sk_shutdown & RCV_SHUTDOWN Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp')
-rw-r--r--net/sctp/socket.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index f4bec2772351..cf6dcc908b88 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -5707,13 +5707,12 @@ unsigned int sctp_poll(struct file *file, struct socket *sock, poll_table *wait)
if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue))
mask |= POLLERR;
if (sk->sk_shutdown & RCV_SHUTDOWN)
- mask |= POLLRDHUP;
+ mask |= POLLRDHUP | POLLIN | POLLRDNORM;
if (sk->sk_shutdown == SHUTDOWN_MASK)
mask |= POLLHUP;
/* Is it readable? Reconsider this code with TCP-style support. */
- if (!skb_queue_empty(&sk->sk_receive_queue) ||
- (sk->sk_shutdown & RCV_SHUTDOWN))
+ if (!skb_queue_empty(&sk->sk_receive_queue))
mask |= POLLIN | POLLRDNORM;
/* The association is either gone or not ready. */