From 2db57a7bf573090ca87ea6ad0eb986ba34e4e4ad Mon Sep 17 00:00:00 2001
From: Steven Dake <sdake@redhat.com>
Date: Fri, 29 Jul 2005 21:15:14 +0000
Subject: [PATCH] defect 790 if sectionDescriptor is null in iteration next
 call, segfault occurs

git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@783 fd59a12c-fef9-0310-b244-a6a79926bd2f
---
 lib/ckpt.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/ckpt.c b/lib/ckpt.c
index 6bcdf4c6..754a304a 100644
--- a/lib/ckpt.c
+++ b/lib/ckpt.c
@@ -1328,6 +1328,10 @@ saCkptSectionIterationNext (
 	struct res_lib_ckpt_sectioniteratornext res_lib_ckpt_sectioniteratornext;
 	struct iteratorSectionIdListEntry *iteratorSectionIdListEntry;
 
+	if (sectionDescriptor == NULL) {
+		return (SA_AIS_ERR_INVALID_PARAM);
+	}
+
 	error = saHandleInstanceGet (&ckptSectionIterationHandleDatabase,
 		sectionIterationHandle, (void *)&ckptSectionIterationInstance);
 	if (error != SA_AIS_OK) {