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| author | David Ahern <dsa@cumulusnetworks.com> | 2017-03-28 15:19:49 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-03-29 10:42:38 -0700 |
| commit | e944e97afc66e619603390fc5f0c6bc02f961353 (patch) | |
| tree | 5e36311befb29727fbeccd388170286706f468a6 /net/mpls/af_mpls.c | |
| parent | d0281a56b00c63ad51ebb550fba0351807475c47 (diff) | |
| download | linux-stable-e944e97afc66e619603390fc5f0c6bc02f961353.tar.gz linux-stable-e944e97afc66e619603390fc5f0c6bc02f961353.tar.bz2 linux-stable-e944e97afc66e619603390fc5f0c6bc02f961353.zip | |
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>
Diffstat (limited to 'net/mpls/af_mpls.c')
| -rw-r--r-- | net/mpls/af_mpls.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c index 673f3d990b5c..06ffafde70da 100644 --- a/net/mpls/af_mpls.c +++ b/net/mpls/af_mpls.c @@ -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) |