1 files changed, 10 insertions, 2 deletions

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index b203e14d26b7..89174e29dca9 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -827,6 +827,14 @@ static inline bool addr_match(const void *token1, const void *token2,
         return true;
 }
 
+static inline bool addr4_match(__be32 a1, __be32 a2, u8 prefixlen)
+{
+        /* C99 6.5.7 (3): u32 << 32 is undefined behaviour */
+        if (prefixlen == 0)
+                return true;
+        return !((a1 ^ a2) & htonl(0xFFFFFFFFu << (32 - prefixlen)));
+}
+
 static __inline__
 __be16 xfrm_flowi_sport(const struct flowi *fl, const union flowi_uli *uli)
 {
@@ -1209,8 +1217,8 @@ void xfrm_flowi_addr_get(const struct flowi *fl,
                 memcpy(&daddr->a4, &fl->u.ip4.daddr, sizeof(daddr->a4));
                 break;
         case AF_INET6:
-                ipv6_addr_copy((struct in6_addr *)&saddr->a6, &fl->u.ip6.saddr);
-                ipv6_addr_copy((struct in6_addr *)&daddr->a6, &fl->u.ip6.daddr);
+                *(struct in6_addr *)saddr->a6 = fl->u.ip6.saddr;
+                *(struct in6_addr *)daddr->a6 = fl->u.ip6.daddr;
                 break;
         }
 }