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-rw-r--r--include/net/ip6_fib.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index c64778fd5e13..cb8da1dac512 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -143,8 +143,14 @@ static inline void rt6_set_expires(struct rt6_info *rt, unsigned long expires)
static inline void rt6_update_expires(struct rt6_info *rt, int timeout)
{
- if (!(rt->rt6i_flags & RTF_EXPIRES) && rt->dst.from)
- dst_release(rt->dst.from);
+ if (!(rt->rt6i_flags & RTF_EXPIRES)) {
+ if (rt->dst.from)
+ dst_release(rt->dst.from);
+ /* dst_set_expires relies on expires == 0
+ * if it has not been set previously.
+ */
+ rt->dst.expires = 0;
+ }
dst_set_expires(&rt->dst, timeout);
rt->rt6i_flags |= RTF_EXPIRES;