drbd: switch to sock_recvmsg()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
mariux64 · Dec 3, 2017 · f7765c3 · f7765c3
1 parent 9858322
commit f7765c3
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Showing 2 changed files with 3 additions and 8 deletions.
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
@@ -1847,20 +1847,14 @@ int drbd_send(struct drbd_connection *connection, struct socket *sock,
 	      void *buf, size_t size, unsigned msg_flags)
 {
 	struct kvec iov = {.iov_base = buf, .iov_len = size};
-	struct msghdr msg;
+	struct msghdr msg = {.msg_flags = msg_flags | MSG_NOSIGNAL};
 	int rv, sent = 0;
 
 	if (!sock)
 		return -EBADR;
 
 	/* THINK  if (signal_pending) return ... ? */
 
-	msg.msg_name       = NULL;
-	msg.msg_namelen    = 0;
-	msg.msg_control    = NULL;
-	msg.msg_controllen = 0;
-	msg.msg_flags      = msg_flags | MSG_NOSIGNAL;
-
 	iov_iter_kvec(&msg.msg_iter, WRITE | ITER_KVEC, &iov, 1, size);
 
 	if (sock == connection->data.socket) {

diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
@@ -516,7 +516,8 @@ static int drbd_recv_short(struct socket *sock, void *buf, size_t size, int flag
 	struct msghdr msg = {
 		.msg_flags = (flags ? flags : MSG_WAITALL | MSG_NOSIGNAL)
 	};
-	return kernel_recvmsg(sock, &msg, &iov, 1, size, msg.msg_flags);
+	iov_iter_kvec(&msg.msg_iter, READ | ITER_KVEC, &iov, 1, size);
+	return sock_recvmsg(sock, &msg, msg.msg_flags);
 }
 
 static int drbd_recv(struct drbd_connection *connection, void *buf, size_t size)