[IPV6]: Misc endianness annotations.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 2 deletions

diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 1342be8b4cdc..56ea92837307 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1267,10 +1267,11 @@ skip_defrtr:
         }
 
         if (ndopts.nd_opts_mtu) {
+                __be32 n;
                 u32 mtu;
 
-                memcpy(&mtu, ((u8*)(ndopts.nd_opts_mtu+1))+2, sizeof(mtu));
-                mtu = ntohl(mtu);
+                memcpy(&n, ((u8*)(ndopts.nd_opts_mtu+1))+2, sizeof(mtu));
+                mtu = ntohl(n);
 
                 if (mtu < IPV6_MIN_MTU || mtu > skb->dev->mtu) {
                         ND_PRINTK2(KERN_WARNING