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Diffstat (limited to 'net/mptcp/protocol.c')
-rw-r--r--net/mptcp/protocol.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index 8c1d1a595701..c84b4051c2a4 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -725,8 +725,10 @@ static int mptcp_sendmsg_frag(struct sock *sk, struct sock *ssk,
if (!psize)
return -EINVAL;
- if (!sk_wmem_schedule(sk, psize + dfrag->overhead))
+ if (!sk_wmem_schedule(sk, psize + dfrag->overhead)) {
+ iov_iter_revert(&msg->msg_iter, psize);
return -ENOMEM;
+ }
} else {
offset = dfrag->offset;
psize = min_t(size_t, dfrag->data_len, avail_size);
@@ -737,8 +739,10 @@ static int mptcp_sendmsg_frag(struct sock *sk, struct sock *ssk,
*/
ret = do_tcp_sendpages(ssk, page, offset, psize,
msg->msg_flags | MSG_SENDPAGE_NOTLAST | MSG_DONTWAIT);
- if (ret <= 0)
+ if (ret <= 0) {
+ iov_iter_revert(&msg->msg_iter, psize);
return ret;
+ }
frag_truesize += ret;
if (!retransmission) {