ospfd: Fix 4 levels of unnecessary indentation

Optimize display of code a tiny bit so that we can actually
have readable code.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>

diff --git a/ospfd/ospf_ism.c b/ospfd/ospf_ism.c
index f4e89da45dd5f167cf27067b7e66737768393e9b..86712c61985d1344fa616cc0c68623c13661c01a 100644 (file)
--- a/ospfd/ospf_ism.c
+++ b/ospfd/ospf_ism.c
@@ -183,17 +183,22 @@ static void ospf_dr_change(struct ospf *ospf, struct route_table *nbrs)
        struct route_node *rn;
        struct ospf_neighbor *nbr;
 
-       for (rn = route_top(nbrs); rn; rn = route_next(rn))
-               if ((nbr = rn->info) != NULL)
-                       /* Ignore 0.0.0.0 node*/
-                       if (nbr->router_id.s_addr != INADDR_ANY)
-                               /* Is neighbor upper 2-Way? */
-                               if (nbr->state >= NSM_TwoWay)
-                                       /* Ignore myself. */
-                                       if (!IPV4_ADDR_SAME(&nbr->router_id,
-                                                           &ospf->router_id))
-                                               OSPF_NSM_EVENT_SCHEDULE(
-                                                       nbr, NSM_AdjOK);
+       for (rn = route_top(nbrs); rn; rn = route_next(rn)) {
+               nbr = rn->info;
+
+               if (!nbr)
+                       continue;
+
+               /*
+                * Ignore 0.0.0.0 node
+                * Is neighbor 2-Way?
+                * Ignore myself
+                */
+               if (nbr->router_id.s_addr != INADDR_ANY
+                   && nbr->state >= NSM_TwoWay
+                   && !IPV4_ADDR_SAME(&nbr->router_id, &ospf->router_id))
+                       OSPF_NSM_EVENT_SCHEDULE(nbr, NSM_AdjOK);
+       }
 }
 
 static int ospf_dr_election(struct ospf_interface *oi)