From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 9 Feb 2014 02:07:38 +0000 (-0500)
Subject: drbd: don't open-code kernel_recvmsg()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f730c848affc05fb7262574b06e0cd7e1fa96096;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

drbd: don't open-code kernel_recvmsg()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index d073305ffd5e..1385714eccb7 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -468,24 +468,14 @@ static void drbd_wait_ee_list_empty(struct drbd_conf *mdev,
 
 static int drbd_recv_short(struct socket *sock, void *buf, size_t size, int flags)
 {
-	mm_segment_t oldfs;
 	struct kvec iov = {
 		.iov_base = buf,
 		.iov_len = size,
 	};
 	struct msghdr msg = {
-		.msg_iovlen = 1,
-		.msg_iov = (struct iovec *)&iov,
 		.msg_flags = (flags ? flags : MSG_WAITALL | MSG_NOSIGNAL)
 	};
-	int rv;
-
-	oldfs = get_fs();
-	set_fs(KERNEL_DS);
-	rv = sock_recvmsg(sock, &msg, size, msg.msg_flags);
-	set_fs(oldfs);
-
-	return rv;
+	return kernel_recvmsg(sock, &msg, &iov, 1, size, msg.msg_flags);
 }
 
 static int drbd_recv(struct drbd_tconn *tconn, void *buf, size_t size)