ipv6: introduce ip6_rt_put()

[pandora-kernel.git] / include / net / ip6_fib.h

diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 20210d7..d1327e4 100644 (file)
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -213,6 +213,15 @@ static inline void rt6_set_from(struct rt6_info *rt, struct rt6_info *from)
        dst_hold(new);
 }
 
+static inline void ip6_rt_put(struct rt6_info *rt)
+{
+       /* dst_release() accepts a NULL parameter.
+        * We rely on dst being first structure in struct rt6_info
+        */
+       BUILD_BUG_ON(offsetof(struct rt6_info, dst) != 0);
+       dst_release(&rt->dst);
+}
+
 struct fib6_walker_t {
        struct list_head lh;
        struct fib6_node *root, *node;