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-rw-r--r--src/plugins/igmp/igmp_report.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/src/plugins/igmp/igmp_report.c b/src/plugins/igmp/igmp_report.c
index ae8a9339f3f..e0c127d8015 100644
--- a/src/plugins/igmp/igmp_report.c
+++ b/src/plugins/igmp/igmp_report.c
@@ -32,15 +32,21 @@ igmp_group_mk_source_list (const igmp_membership_group_v3_t * r)
n = clib_net_to_host_u16 (r->n_src_addresses);
if (0 == n)
- return (NULL);
-
- vec_validate (srcs, n - 1);
- s = r->src_addresses;
-
- for (ii = 0; ii < n; ii++)
{
- srcs[ii].ip4 = *s;
- s++;
+ /* a (*,G) join has no source address specified */
+ vec_validate (srcs, 0);
+ srcs[0].ip4.as_u32 = 0;
+ }
+ else
+ {
+ vec_validate (srcs, n - 1);
+ s = r->src_addresses;
+
+ for (ii = 0; ii < n; ii++)
+ {
+ srcs[ii].ip4 = *s;
+ s++;
+ }
}
return (srcs);