From 6b9a85376cf4aa273a1a37edf9e3d30c05fe4f4b Mon Sep 17 00:00:00 2001
From: Mark Haverkamp <markh@osdl.org>
Date: Wed, 23 Mar 2005 20:12:44 +0000
Subject: [PATCH] Only dispatch a callback if it is non-null.

(Logical change 1.158)


git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@550 fd59a12c-fef9-0310-b244-a6a79926bd2f
---
 lib/evt.c | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/lib/evt.c b/lib/evt.c
index f4c5eabc..108843f6 100644
--- a/lib/evt.c
+++ b/lib/evt.c
@@ -608,8 +608,14 @@ saEvtDispatch(
 			if (error != SA_AIS_OK) {
 					break;
 			}
-			callbacks.saEvtEventDeliverCallback(evt->led_sub_id, event_handle,
-							evt->led_user_data_size);
+
+			/*
+			 * Only call if there was a function registered
+			 */
+			if (callbacks.saEvtEventDeliverCallback) {
+				callbacks.saEvtEventDeliverCallback(evt->led_sub_id, 
+						event_handle, evt->led_user_data_size);
+			}
 			break;
 
 		case MESSAGE_RES_EVT_CHAN_OPEN_CALLBACK:
@@ -635,8 +641,14 @@ saEvtDispatch(
 							resa->ica_c_handle);
 				}
 			}
-			callbacks.saEvtChannelOpenCallback(resa->ica_invocation,
+
+			/*
+			 * Only call if there was a function registered
+			 */
+			if (callbacks.saEvtChannelOpenCallback) {
+				callbacks.saEvtChannelOpenCallback(resa->ica_invocation,
 					resa->ica_c_handle, error);
+			}
 
 		}
 			break;