From c1044ae1008a8feff23dfcbb9e7b4848440f4ad1 Mon Sep 17 00:00:00 2001
From: Steven Dake <sdake@redhat.com>
Date: Wed, 13 Jul 2005 20:01:29 +0000
Subject: [PATCH] defect 677 SectionOverwrite with null sectionId segfaults

git-svn-id: http://svn.fedorahosted.org/svn/corosync/trunk@734 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 fbfecf5e..b6cad958 100644
--- a/lib/ckpt.c
+++ b/lib/ckpt.c
@@ -1406,6 +1406,10 @@ saCkptSectionOverwrite (
 		return (SA_ERR_INVALID_PARAM);
 	}
 
+	if (sectionId == NULL) {
+		return (SA_ERR_INVALID_PARAM);
+	}
+
 	error = saHandleInstanceGet (&checkpointHandleDatabase, checkpointHandle,
 		(void *)&ckptCheckpointInstance);
 	if (error != SA_AIS_OK) {