From 7177a3b037c7569c137c2703efe8187fdc4352b8 Mon Sep 17 00:00:00 2001
From: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Date: Mon, 20 Jul 2015 09:54:50 +0200
Subject: [PATCH] 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>
---
drivers/net/vxlan.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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 */