From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

This reverts commit ded1c127d6dc1a1827f3ff657a4cb7edd646092e which was
bce271f255dae8335dc4d2ee2c4531e09cc67f5a upstream.

It was applied incorrectly, and isn't needed for 3.12-stable.

Reported-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
---
 drivers/net/can/dev.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index 561bed7eb6a5..464e5f66b66d 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c

@@ -644,9 +644,6 @@ static int can_changelink(struct net_device *dev,
 	/* We need synchronization with dev->stop() */
 	ASSERT_RTNL();
 
-	if (!data)
-		return 0;
-
 	if (data[IFLA_CAN_CTRLMODE]) {
 		struct can_ctrlmode *cm;
 

-- 
2.10.0