From: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Date: Mon, 20 Jul 2015 07:54:50 +0000 (+0200)
Subject: net/vxlan: Fix kernel unaligned access in __vxlan_find_mac
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=7177a3b037c7569c137c2703efe8187fdc4352b8;p=openwrt%2Fstaging%2Fblogic.git

net/vxlan: Fix kernel unaligned access in __vxlan_find_mac

__vxlan_find_mac invokes ether_addr_equal on the eth_addr field,
which triggers unaligned access messages, so rearrange vxlan_fdb
to avoid this in the most non-intrusive way.

Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Reviewed-by: Jiri Pirko <jiri@resnulli.us>
Reviewed-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 34c519eb1db5..ec86a11743fd 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -106,9 +106,9 @@ struct vxlan_fdb {
 	unsigned long	  updated;	/* jiffies */
 	unsigned long	  used;
 	struct list_head  remotes;
+	u8		  eth_addr[ETH_ALEN];
 	u16		  state;	/* see ndm_state */
 	u8		  flags;	/* see ndm_flags */
-	u8		  eth_addr[ETH_ALEN];
 };
 
 /* Pseudo network device */