rds: make use of iov_iter_revert()
diff --git a/net/rds/recv.c b/net/rds/recv.c
index 8b7e7b7..c70c32c 100644
--- a/net/rds/recv.c
+++ b/net/rds/recv.c
@@ -594,7 +594,6 @@ int rds_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
goto out;
while (1) {
- struct iov_iter save;
/* If there are pending notifications, do those - and nothing else */
if (!list_empty(&rs->rs_notify_queue)) {
ret = rds_notify_queue_get(rs, msg);
@@ -630,7 +629,6 @@ int rds_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
rdsdebug("copying inc %p from %pI4:%u to user\n", inc,
&inc->i_conn->c_faddr,
ntohs(inc->i_hdr.h_sport));
- save = msg->msg_iter;
ret = inc->i_conn->c_trans->inc_copy_to_user(inc, &msg->msg_iter);
if (ret < 0)
break;
@@ -644,7 +642,7 @@ int rds_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
rds_inc_put(inc);
inc = NULL;
rds_stats_inc(s_recv_deliver_raced);
- msg->msg_iter = save;
+ iov_iter_revert(&msg->msg_iter, ret);
continue;
}