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authorDavid S. Miller <davem@davemloft.net>2011-05-09 02:24:10 +0200
committerDavid S. Miller <davem@davemloft.net>2011-05-09 06:24:07 +0200
commitf5fca6086511294653a9e821f8e22f041415ba7b (patch)
tree1ab025012bf44402e7f816428461d8def54016c1 /net/ipv4/udp.c
parentipv4: Pass flow keys down into datagram packet building engine. (diff)
downloadlinux-f5fca6086511294653a9e821f8e22f041415ba7b.tar.xz
linux-f5fca6086511294653a9e821f8e22f041415ba7b.zip
ipv4: Pass flow key down into ip_append_*().
This way rt->rt_dst accesses are unnecessary. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/udp.c')
-rw-r--r--net/ipv4/udp.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 006e2ccd6cc2..66341a3c8d36 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -822,6 +822,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
getfrag = is_udplite ? udplite_getfrag : ip_generic_getfrag;
+ fl4 = &inet->cork.fl.u.ip4;
if (up->pending) {
/*
* There are pending frames.
@@ -920,7 +921,6 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
if (connected)
rt = (struct rtable *)sk_dst_check(sk, 0);
- fl4 = &inet->cork.fl.u.ip4;
if (rt == NULL) {
struct net *net = sock_net(sk);
@@ -989,9 +989,9 @@ back_from_confirm:
do_append_data:
up->len += ulen;
- err = ip_append_data(sk, getfrag, msg->msg_iov, ulen,
- sizeof(struct udphdr), &ipc, &rt,
- corkreq ? msg->msg_flags|MSG_MORE : msg->msg_flags);
+ err = ip_append_data(sk, fl4, getfrag, msg->msg_iov, ulen,
+ sizeof(struct udphdr), &ipc, &rt,
+ corkreq ? msg->msg_flags|MSG_MORE : msg->msg_flags);
if (err)
udp_flush_pending_frames(sk);
else if (!corkreq)
@@ -1031,6 +1031,7 @@ EXPORT_SYMBOL(udp_sendmsg);
int udp_sendpage(struct sock *sk, struct page *page, int offset,
size_t size, int flags)
{
+ struct inet_sock *inet = inet_sk(sk);
struct udp_sock *up = udp_sk(sk);
int ret;
@@ -1055,7 +1056,8 @@ int udp_sendpage(struct sock *sk, struct page *page, int offset,
return -EINVAL;
}
- ret = ip_append_page(sk, page, offset, size, flags);
+ ret = ip_append_page(sk, &inet->cork.fl.u.ip4,
+ page, offset, size, flags);
if (ret == -EOPNOTSUPP) {
release_sock(sk);
return sock_no_sendpage(sk->sk_socket, page, offset,