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vrrpd: handle failure to lookup parent iface

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Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
This commit is contained in:
Quentin Young 2019-11-01 18:07:56 +00:00
parent 0dcbec72aa
commit 3cb543cf1e
1 changed files with 9 additions and 0 deletions
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9
vrrpd/vrrp.c
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@ -212,6 +212,15 @@ static struct vrrp_vrouter *vrrp_lookup_by_if_mvl(struct interface *mvl_ifp)
} }
p = if_lookup_by_index(mvl_ifp->link_ifindex, VRF_DEFAULT); p = if_lookup_by_index(mvl_ifp->link_ifindex, VRF_DEFAULT);
if (!p) {
DEBUGD(&vrrp_dbg_zebra,
VRRP_LOGPFX
"Tried to lookup interface %d, parent of %s, but it doesn't exist",
mvl_ifp->link_ifindex, mvl_ifp->name);
return NULL;
}
uint8_t vrid = mvl_ifp->hw_addr[5]; uint8_t vrid = mvl_ifp->hw_addr[5];
return vrrp_lookup(p, vrid); return vrrp_lookup(p, vrid);