Merged revisions 321924 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.8

........
  r321924 | rmudgett | 2011-06-03 16:49:17 -0500 (Fri, 03 Jun 2011) | 5 lines
  
  Be more explicit for CCSS generic device state event subscription.
  
  Make CCSS generic device state event subscription specify the
  AST_EVENT_IE_STATE ie exists to be safe.
........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@321925 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/ccss.c

@@ -1241,9 +1241,11 @@ static struct generic_monitor_instance_list *create_new_generic_list(struct ast_
 		return NULL;
 	}
 
-	if (!(generic_list->sub = ast_event_subscribe(AST_EVENT_DEVICE_STATE, generic_monitor_devstate_cb,
-				"Requesting CC", NULL, AST_EVENT_IE_DEVICE, AST_EVENT_IE_PLTYPE_STR,
-				monitor->interface->device_name, AST_EVENT_IE_END))) {
+	if (!(generic_list->sub = ast_event_subscribe(AST_EVENT_DEVICE_STATE,
+		generic_monitor_devstate_cb, "Requesting CC", NULL,
+		AST_EVENT_IE_DEVICE, AST_EVENT_IE_PLTYPE_STR, monitor->interface->device_name,
+		AST_EVENT_IE_STATE, AST_EVENT_IE_PLTYPE_EXISTS,
+		AST_EVENT_IE_END))) {
 		cc_unref(generic_list, "Failed to subscribe to device state");
 		return NULL;
 	}
@@ -2629,10 +2631,11 @@ static int cc_generic_agent_start_monitoring(struct ast_cc_agent *agent)
 	ast_str_set(&str, 0, "Agent monitoring %s device state since it is busy\n",
 		agent->device_name);
 
-	if (!(generic_pvt->sub = ast_event_subscribe(
-			AST_EVENT_DEVICE_STATE, generic_agent_devstate_cb, ast_str_buffer(str), agent,
-			AST_EVENT_IE_DEVICE, AST_EVENT_IE_PLTYPE_STR, agent->device_name,
-			AST_EVENT_IE_END))) {
+	if (!(generic_pvt->sub = ast_event_subscribe(AST_EVENT_DEVICE_STATE,
+		generic_agent_devstate_cb, ast_str_buffer(str), agent,
+		AST_EVENT_IE_DEVICE, AST_EVENT_IE_PLTYPE_STR, agent->device_name,
+		AST_EVENT_IE_STATE, AST_EVENT_IE_PLTYPE_EXISTS,
+		AST_EVENT_IE_END))) {
 		return -1;
 	}
 	return 0;