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Diffstat (limited to 'include/net/ip6_fib.h')
-rw-r--r--include/net/ip6_fib.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 80262d2980f5..1d98828c6649 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -203,6 +203,7 @@ struct fib6_info {
struct rt6_info {
struct dst_entry dst;
struct fib6_info __rcu *from;
+ int sernum;
struct rt6key rt6i_dst;
struct rt6key rt6i_src;
@@ -291,6 +292,9 @@ static inline u32 rt6_get_cookie(const struct rt6_info *rt)
struct fib6_info *from;
u32 cookie = 0;
+ if (rt->sernum)
+ return rt->sernum;
+
rcu_read_lock();
from = rcu_dereference(rt->from);