[farsight2/master] Verify that component_id is not 0 in add_remote_candidate

[Olivier Crête]

---
 transmitters/rawudp/fs-rawudp-stream-transmitter.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/transmitters/rawudp/fs-rawudp-stream-transmitter.c b/transmitters/rawudp/fs-rawudp-stream-transmitter.c
index 76c277b..86ad094 100644
--- a/transmitters/rawudp/fs-rawudp-stream-transmitter.c
+++ b/transmitters/rawudp/fs-rawudp-stream-transmitter.c
@@ -610,9 +610,10 @@ fs_rawudp_stream_transmitter_add_remote_candidate (
     return FALSE;
   }
 
-  if (candidate->component_id > self->priv->transmitter->components) {
+  if (candidate->component_id == 0 ||
+    candidate->component_id > self->priv->transmitter->components) {
     g_set_error (error, FS_ERROR, FS_ERROR_INVALID_ARGUMENTS,
-      "The candidate passed has has an invalid component id %u (> %u)",
+      "The candidate passed has has an invalid component id %u (not in [0,%u])",
       candidate->component_id, self->priv->transmitter->components);
     return FALSE;
   }
-- 
1.5.6.5