[IPV4]: inet_select_addr() annotations

argument and return value are net-endian.  Annotated function and inferred
net-endian variables in callers.

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

include/linux/inetdevice.h

@@ -110,7 +110,7 @@ extern int		devinet_ioctl(unsigned int cmd, void __user *);
 extern void		devinet_init(void);
 extern struct in_device *inetdev_init(struct net_device *dev);
 extern struct in_device	*inetdev_by_index(int);
-extern u32		inet_select_addr(const struct net_device *dev, u32 dst, int scope);
+extern __be32		inet_select_addr(const struct net_device *dev, __be32 dst, int scope);
 extern u32		inet_confirm_addr(const struct net_device *dev, u32 dst, u32 local, int scope);
 extern struct in_ifaddr *inet_ifa_byprefix(struct in_device *in_dev, u32 prefix, u32 mask);
 extern void		inet_forward_change(void);

net/ipv4/arp.c

@@ -330,10 +330,10 @@ static void arp_error_report(struct neighbour *neigh, struct sk_buff *skb)
 
 static void arp_solicit(struct neighbour *neigh, struct sk_buff *skb)
 {
-	u32 saddr = 0;
+	__be32 saddr = 0;
 	u8  *dst_ha = NULL;
 	struct net_device *dev = neigh->dev;
-	u32 target = *(u32*)neigh->primary_key;
+	__be32 target = *(__be32*)neigh->primary_key;
 	int probes = atomic_read(&neigh->probes);
 	struct in_device *in_dev = in_dev_get(dev);
 

net/ipv4/devinet.c

@@ -876,9 +876,9 @@ out:
 	return done;
 }
 
-u32 inet_select_addr(const struct net_device *dev, u32 dst, int scope)
+__be32 inet_select_addr(const struct net_device *dev, __be32 dst, int scope)
 {
-	u32 addr = 0;
+	__be32 addr = 0;
 	struct in_device *in_dev;
 
 	rcu_read_lock();

net/ipv4/icmp.c

@@ -437,7 +437,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, u32 info)
 	struct icmp_bxm icmp_param;
 	struct rtable *rt = (struct rtable *)skb_in->dst;
 	struct ipcm_cookie ipc;
-	u32 saddr;
+	__be32 saddr;
 	u8  tos;
 
 	if (!rt)

net/ipv4/ipvs/ip_vs_sync.c

@@ -464,7 +464,7 @@ join_mcast_group(struct sock *sk, struct in_addr *addr, char *ifname)
 static int bind_mcastif_addr(struct socket *sock, char *ifname)
 {
 	struct net_device *dev;
-	u32 addr;
+	__be32 addr;
 	struct sockaddr_in sin;
 
 	if ((dev = __dev_get_by_name(ifname)) == NULL)

net/ipv4/netfilter/ipt_MASQUERADE.c

@@ -70,7 +70,7 @@ masquerade_target(struct sk_buff **pskb,
 	const struct ip_nat_multi_range_compat *mr;
 	struct ip_nat_range newrange;
 	struct rtable *rt;
-	u_int32_t newsrc;
+	__be32 newsrc;
 
 	IP_NF_ASSERT(hooknum == NF_IP_POST_ROUTING);
 

net/ipv4/route.c

@@ -1532,7 +1532,7 @@ static int ip_rt_bug(struct sk_buff *skb)
 
 void ip_rt_get_source(u8 *addr, struct rtable *rt)
 {
-	u32 src;
+	__be32 src;
 	struct fib_result res;
 
 	if (rt->fl.iif == 0)
@@ -1603,7 +1603,7 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
 {
 	unsigned hash;
 	struct rtable *rth;
-	u32 spec_dst;
+	__be32 spec_dst;
 	struct in_device *in_dev = in_dev_get(dev);
 	u32 itag = 0;