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authorDavid Ahern <dsa@cumulusnetworks.com>2017-03-28 15:19:49 -0700
committerDavid S. Miller <davem@davemloft.net>2017-03-29 10:42:38 -0700
commite944e97afc66e619603390fc5f0c6bc02f961353 (patch)
tree5e36311befb29727fbeccd388170286706f468a6 /net/mpls/af_mpls.c
parentd0281a56b00c63ad51ebb550fba0351807475c47 (diff)
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.c2
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)