summaryrefslogtreecommitdiff
path: root/isisd/isis_circuit.c
diff options
context:
space:
mode:
authorLouis Scalbert <louis.scalbert@6wind.com>2022-04-13 10:19:18 +0200
committerLouis Scalbert <louis.scalbert@6wind.com>2022-10-24 11:50:13 +0200
commit0cd33c983dcbd13fa40ae48993a5e0ec96d37531 (patch)
treee1f5d50aba8bd4b65539f543ed935efa498ee6f3 /isisd/isis_circuit.c
parent4e689dcddbc50d168c0155bf69aa8870c9504d78 (diff)
isisd: avoid fast-reroute from running twice on a down interface event
isis_ifp_down() may in some circumstances be called twice on a down interface event. Avoid applying fast-reroute on an already down interface. Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
Diffstat (limited to 'isisd/isis_circuit.c')
-rw-r--r--isisd/isis_circuit.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/isisd/isis_circuit.c b/isisd/isis_circuit.c
index 4c094b7c66..fa0f2c998f 100644
--- a/isisd/isis_circuit.c
+++ b/isisd/isis_circuit.c
@@ -1641,7 +1641,8 @@ static int isis_ifp_down(struct interface *ifp)
afi_t afi;
struct isis_circuit *circuit = ifp->info;
- if (circuit) {
+ if (circuit &&
+ !CHECK_FLAG(circuit->flags, ISIS_CIRCUIT_IF_DOWN_FROM_Z)) {
SET_FLAG(circuit->flags, ISIS_CIRCUIT_IF_DOWN_FROM_Z);
for (afi = AFI_IP; afi <= AFI_IP6; afi++)
isis_circuit_switchover_routes(