dlm: use kernel_sendpage

Using kernel_sendpage() is cleaner and safer than following
sock->ops ourselves.

Signed-off-by: Paolo Bonzini <bonzini@gnu.org>
Signed-off-by: David Teigland <teigland@redhat.com>

1 files changed, 2 insertions, 5 deletions

diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index bda690cd364..240cef14fe5 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -1285,7 +1285,6 @@ out:
 static void send_to_sock(struct connection *con)
 {
         int ret = 0;
-        ssize_t(*sendpage) (struct socket *, struct page *, int, size_t, int);
         const int msg_flags = MSG_DONTWAIT | MSG_NOSIGNAL;
         struct writequeue_entry *e;
         int len, offset;
@@ -1294,8 +1293,6 @@ static void send_to_sock(struct connection *con)
         if (con->sock == NULL)
                 goto out_connect;
 
-        sendpage = con->sock->ops->sendpage;
-
         spin_lock(&con->writequeue_lock);
         for (;;) {
                 e = list_entry(con->writequeue.next, struct writequeue_entry,
@@ -1310,8 +1307,8 @@ static void send_to_sock(struct connection *con)
 
                 ret = 0;
                 if (len) {
-                        ret = sendpage(con->sock, e->page, offset, len,
-                                       msg_flags);
+                        ret = kernel_sendpage(con->sock, e->page, offset, len,
+                                              msg_flags);
                         if (ret == -EAGAIN || ret == 0) {
                                 cond_resched();
                                 goto out;