[IPV4]: net/ipv4/fib annotations

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

4 files changed, 17 insertions, 18 deletions

diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 34dc640478a0..9c399a70dd5d 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -253,7 +253,7 @@ e_inval:
 
 #ifndef CONFIG_IP_NOSIOCRT
 
-static inline u32 sk_extract_addr(struct sockaddr *addr)
+static inline __be32 sk_extract_addr(struct sockaddr *addr)
 {
         return ((struct sockaddr_in *) addr)->sin_addr.s_addr;
 }
@@ -292,7 +292,7 @@ static int rtentry_to_fib_config(int cmd, struct rtentry *rt,
         plen = 32;
         addr = sk_extract_addr(&rt->rt_dst);
         if (!(rt->rt_flags & RTF_HOST)) {
-                u32 mask = sk_extract_addr(&rt->rt_genmask);
+                __be32 mask = sk_extract_addr(&rt->rt_genmask);
 
                 if (rt->rt_genmask.sa_family != AF_INET) {
                         if (mask || rt->rt_genmask.sa_family)
@@ -627,8 +627,7 @@ out:
    only when netlink is already locked.
  */
 
-static void fib_magic(int cmd, int type, u32 dst, int dst_len,
-                      struct in_ifaddr *ifa)
+static void fib_magic(int cmd, int type, __be32 dst, int dst_len, struct in_ifaddr *ifa)
 {
         struct fib_table *tb;
         struct fib_config cfg = {
diff --git a/net/ipv4/fib_lookup.h b/net/ipv4/fib_lookup.h
index 6e9b3e86ae84..0e8b70bad4e1 100644
--- a/net/ipv4/fib_lookup.h
+++ b/net/ipv4/fib_lookup.h
@@ -26,10 +26,10 @@ extern void fib_release_info(struct fib_info *);
 extern struct fib_info *fib_create_info(struct fib_config *cfg);
 extern int fib_nh_match(struct fib_config *cfg, struct fib_info *fi);
 extern int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event,
-                         u32 tb_id, u8 type, u8 scope, u32 dst,
+                         u32 tb_id, u8 type, u8 scope, __be32 dst,
                          int dst_len, u8 tos, struct fib_info *fi,
                          unsigned int);
-extern void rtmsg_fib(int event, u32 key, struct fib_alias *fa,
+extern void rtmsg_fib(int event, __be32 key, struct fib_alias *fa,
                       int dst_len, u32 tb_id, struct nl_info *info);
 extern struct fib_alias *fib_find_alias(struct list_head *fah,
                                         u8 tos, u32 prio);
diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c
index 52b2adae4f22..f2d4070aaf01 100644
--- a/net/ipv4/fib_rules.c
+++ b/net/ipv4/fib_rules.c
@@ -40,10 +40,10 @@ struct fib4_rule
         u8                      dst_len;
         u8                      src_len;
         u8                      tos;
-        u32                     src;
-        u32                     srcmask;
-        u32                     dst;
-        u32                     dstmask;
+        __be32                  src;
+        __be32                  srcmask;
+        __be32                  dst;
+        __be32                  dstmask;
 #ifdef CONFIG_IP_ROUTE_FWMARK
         u32                     fwmark;
         u32                     fwmask;
@@ -150,8 +150,8 @@ void fib_select_default(const struct flowi *flp, struct fib_result *res)
 static int fib4_rule_match(struct fib_rule *rule, struct flowi *fl, int flags)
 {
         struct fib4_rule *r = (struct fib4_rule *) rule;
-        u32 daddr = fl->fl4_dst;
-        u32 saddr = fl->fl4_src;
+        __be32 daddr = fl->fl4_dst;
+        __be32 saddr = fl->fl4_src;
 
         if (((saddr ^ r->src) & r->srcmask) ||
             ((daddr ^ r->dst) & r->dstmask))
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index f7567e92cd9e..884d176e0082 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -203,7 +203,7 @@ static inline unsigned int fib_info_hashfn(const struct fib_info *fi)
         unsigned int val = fi->fib_nhs;
 
         val ^= fi->fib_protocol;
-        val ^= fi->fib_prefsrc;
+        val ^= (__force u32)fi->fib_prefsrc;
         val ^= fi->fib_priority;
 
         return (val ^ (val >> 7) ^ (val >> 12)) & mask;
@@ -273,7 +273,7 @@ int ip_fib_check_default(__be32 gw, struct net_device *dev)
         return -1;
 }
 
-void rtmsg_fib(int event, u32 key, struct fib_alias *fa,
+void rtmsg_fib(int event, __be32 key, struct fib_alias *fa,
                int dst_len, u32 tb_id, struct nl_info *info)
 {
         struct sk_buff *skb;
@@ -568,11 +568,11 @@ out:
         return 0;
 }
 
-static inline unsigned int fib_laddr_hashfn(u32 val)
+static inline unsigned int fib_laddr_hashfn(__be32 val)
 {
         unsigned int mask = (fib_hash_size - 1);
 
-        return (val ^ (val >> 7) ^ (val >> 14)) & mask;
+        return ((__force u32)val ^ ((__force u32)val >> 7) ^ ((__force u32)val >> 14)) & mask;
 }
 
 static struct hlist_head *fib_hash_alloc(int bytes)
@@ -928,7 +928,7 @@ __be32 __fib_res_prefsrc(struct fib_result *res)
 }
 
 int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event,
-                  u32 tb_id, u8 type, u8 scope, u32 dst, int dst_len, u8 tos,
+                  u32 tb_id, u8 type, u8 scope, __be32 dst, int dst_len, u8 tos,
                   struct fib_info *fi, unsigned int flags)
 {
         struct nlmsghdr *nlh;
@@ -1017,7 +1017,7 @@ nla_put_failure:
    - device went down -> we must shutdown all nexthops going via it.
  */
 
-int fib_sync_down(u32 local, struct net_device *dev, int force)
+int fib_sync_down(__be32 local, struct net_device *dev, int force)
 {
         int ret = 0;
         int scope = RT_SCOPE_NOWHERE;