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net: mpls: Update lfib_nlmsg_size to skip deleted nexthops 

A recent commit skips nexthops in a route if the device has been
deleted. Update lfib_nlmsg_size accordingly.

Reported-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Acked-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Acked-by: Robert Shearman <rshearma@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern 2017-03-28 15:19:49 -07:00 committed by David S. Miller
parent d0281a56b0
commit e944e97afc
1 changed files with 2 additions and 0 deletions
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2
net/mpls/af_mpls.c
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@ -1880,6 +1880,8 @@ static inline size_t lfib_nlmsg_size(struct mpls_route *rt)
size_t nhsize = 0;
for_nexthops(rt) {
if (!rtnl_dereference(nh->nh_dev))
continue;
nhsize += nla_total_size(sizeof(struct rtnexthop));
/* RTA_VIA */
if (nh->nh_via_table != MPLS_NEIGH_TABLE_UNSPEC)