diff options
Diffstat (limited to 'net/core/rtnetlink.c')
| -rw-r--r-- | net/core/rtnetlink.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index c57692eb8da9..a9555bfc372f 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -1026,9 +1026,11 @@ int rtnl_put_cacheinfo(struct sk_buff *skb, struct dst_entry *dst, u32 id, .rta_error = error, .rta_id = id, }; + unsigned long delta; if (dst) { - ci.rta_lastuse = jiffies_delta_to_clock_t(jiffies - dst->lastuse); + delta = jiffies - READ_ONCE(dst->lastuse); + ci.rta_lastuse = jiffies_delta_to_clock_t(delta); ci.rta_used = dst->__use; ci.rta_clntref = rcuref_read(&dst->__rcuref); } |