pimd: Remove igmp_add_group_by_addr unneeded parameter

The interface name is already passed in as
part of the 'struct igrmp *group' pointer.
No need to do it twice.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Tested-by: NetDEF CI System <cisystem@netdef.org>
Acked-by: Jafar Al-Gharaibeh <jafar@atcorp.com>
diff --git a/pimd/pim_igmpv3.c b/pimd/pim_igmpv3.c
index 1a2e936..8a32a32 100644
--- a/pimd/pim_igmpv3.c
+++ b/pimd/pim_igmpv3.c
@@ -542,12 +542,11 @@
 		  struct in_addr group_addr,
 		  int num_sources, struct in_addr *sources)
 {
-  struct interface *ifp = igmp->interface;
   struct igmp_group *group;
   int    i;
 
   /* non-existant group is created as INCLUDE {empty} */
-  group = igmp_add_group_by_addr(igmp, group_addr, ifp->name);
+  group = igmp_add_group_by_addr(igmp, group_addr);
   if (!group) {
     return;
   }
@@ -688,7 +687,7 @@
 	   ifp, from, group_addr, num_sources, sources);
 
   /* non-existant group is created as INCLUDE {empty} */
-  group = igmp_add_group_by_addr(igmp, group_addr, ifp->name);
+  group = igmp_add_group_by_addr(igmp, group_addr);
   if (!group) {
     return;
   }
@@ -810,7 +809,7 @@
 	   ifp, from, group_addr, num_sources, sources);
 
   /* non-existant group is created as INCLUDE {empty} */
-  group = igmp_add_group_by_addr(igmp, group_addr, ifp->name);
+  group = igmp_add_group_by_addr(igmp, group_addr);
   if (!group) {
     return;
   }
@@ -960,7 +959,7 @@
 	   ifp, from, group_addr, num_sources, sources);
 
   /* non-existant group is created as INCLUDE {empty} */
-  group = igmp_add_group_by_addr(igmp, group_addr, ifp->name);
+  group = igmp_add_group_by_addr(igmp, group_addr);
   if (!group) {
     return;
   }
@@ -1481,7 +1480,7 @@
 	   ifp, from, group_addr, num_sources, sources);
 
   /* non-existant group is created as INCLUDE {empty} */
-  group = igmp_add_group_by_addr(igmp, group_addr, ifp->name);
+  group = igmp_add_group_by_addr(igmp, group_addr);
   if (!group) {
     return;
   }