summaryrefslogtreecommitdiffstats
path: root/net/ipv4/tcp_output.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2015-02-04 20:46:55 -0800
committerDavid S. Miller <davem@davemloft.net>2015-02-04 20:46:55 -0800
commitf2683b743f2334ef49a5361bf596dd1fbd2c9be4 (patch)
tree7f53b2614742238e966ba8a815ef6c5079422ee2 /net/ipv4/tcp_output.c
parent9878196578286c5ed494778ada01da094377a686 (diff)
parent57dd8a0735aabff4862025cf64ad94da3d80e620 (diff)
downloadop-kernel-dev-f2683b743f2334ef49a5361bf596dd1fbd2c9be4.zip
op-kernel-dev-f2683b743f2334ef49a5361bf596dd1fbd2c9be4.tar.gz
Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
More iov_iter work from Al Viro. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_output.c')
-rw-r--r--net/ipv4/tcp_output.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 1b326ed..4fcc9a7 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -3055,7 +3055,7 @@ static int tcp_send_syn_data(struct sock *sk, struct sk_buff *syn)
{
struct tcp_sock *tp = tcp_sk(sk);
struct tcp_fastopen_request *fo = tp->fastopen_req;
- int syn_loss = 0, space, err = 0;
+ int syn_loss = 0, space, err = 0, copied;
unsigned long last_syn_loss = 0;
struct sk_buff *syn_data;
@@ -3093,11 +3093,16 @@ static int tcp_send_syn_data(struct sock *sk, struct sk_buff *syn)
goto fallback;
syn_data->ip_summed = CHECKSUM_PARTIAL;
memcpy(syn_data->cb, syn->cb, sizeof(syn->cb));
- if (unlikely(memcpy_fromiovecend(skb_put(syn_data, space),
- fo->data->msg_iter.iov, 0, space))) {
+ copied = copy_from_iter(skb_put(syn_data, space), space,
+ &fo->data->msg_iter);
+ if (unlikely(!copied)) {
kfree_skb(syn_data);
goto fallback;
}
+ if (copied != space) {
+ skb_trim(syn_data, copied);
+ space = copied;
+ }
/* No more data pending in inet_wait_for_connect() */
if (space == fo->size)
OpenPOWER on IntegriCloud