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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-10-04 22:23:26 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-10-04 22:23:30 +0100
commita9fda02bfc91a281cd812ae15dabe6bfb9574f90 (patch)
treed7be703f341870f15f87a59a63976f650078b4d6 /net/ipv4/tcp.c
parentaa3090005d27f3c7fba915ccea36b97b669fa3ab (diff)
parentec706dab290c486837d4a825870ab052bf200279 (diff)
Merge branch 'for_rmk' of git://git.linaro.org/kernel/linux-linaro-next into devel-stable
Diffstat (limited to 'net/ipv4/tcp.c')
-rw-r--r--net/ipv4/tcp.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 3fb1428e526e..f115ea68a4ef 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -386,8 +386,6 @@ unsigned int tcp_poll(struct file *file, struct socket *sock, poll_table *wait)
*/
mask = 0;
- if (sk->sk_err)
- mask = POLLERR;
/*
* POLLHUP is certainly not done right. But poll() doesn't
@@ -457,6 +455,11 @@ unsigned int tcp_poll(struct file *file, struct socket *sock, poll_table *wait)
if (tp->urg_data & TCP_URG_VALID)
mask |= POLLPRI;
}
+ /* This barrier is coupled with smp_wmb() in tcp_reset() */
+ smp_rmb();
+ if (sk->sk_err)
+ mask |= POLLERR;
+
return mask;
}
EXPORT_SYMBOL(tcp_poll);
@@ -940,7 +943,7 @@ int tcp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
sg = sk->sk_route_caps & NETIF_F_SG;
while (--iovlen >= 0) {
- int seglen = iov->iov_len;
+ size_t seglen = iov->iov_len;
unsigned char __user *from = iov->iov_base;
iov++;