From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 27 May 2017 04:32:51 +0000 (-0400)
Subject: drbd: ->sendpage() never needed set_fs()
X-Git-Tag: v4.13-rc1~155^2~7
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=104289576b33403a2c01097202a07dab74a5c231;p=thirdparty%2Fkernel%2Flinux.git

drbd: ->sendpage() never needed set_fs()

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

diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 84455c365f578..da4944ea974eb 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -1550,7 +1550,6 @@ static int _drbd_send_page(struct drbd_peer_device *peer_device, struct page *pa
 		    int offset, size_t size, unsigned msg_flags)
 {
 	struct socket *socket = peer_device->connection->data.socket;
-	mm_segment_t oldfs = get_fs();
 	int len = size;
 	int err = -EIO;
 
@@ -1565,7 +1564,6 @@ static int _drbd_send_page(struct drbd_peer_device *peer_device, struct page *pa
 
 	msg_flags |= MSG_NOSIGNAL;
 	drbd_update_congested(peer_device->connection);
-	set_fs(KERNEL_DS);
 	do {
 		int sent;
 
@@ -1585,7 +1583,6 @@ static int _drbd_send_page(struct drbd_peer_device *peer_device, struct page *pa
 		len    -= sent;
 		offset += sent;
 	} while (len > 0 /* THINK && device->cstate >= C_CONNECTED*/);
-	set_fs(oldfs);
 	clear_bit(NET_CONGESTED, &peer_device->connection->flags);
 
 	if (len == 0) {