From 9765db4254e3c76ce19e5285998239e6b8b46bb8 Mon Sep 17 00:00:00 2001
From: Marty Kraimer <mrkraimer@comcast.net>
Date: Wed, 8 Aug 2001 15:04:34 +0000
Subject: [PATCH] check for chid null

---
 src/db/dbCaTest.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/db/dbCaTest.c b/src/db/dbCaTest.c
index 12c9f60ec..3b56dc25b 100644
--- a/src/db/dbCaTest.c
+++ b/src/db/dbCaTest.c
@@ -89,7 +89,9 @@ long epicsShareAPI dbcar(char	*precordname,int level)
 		    if (plink->type == CA_LINK) {
 			ncalinks++;
 			pca = (caLink *)plink->value.pv_link.pvt;
-			if(pca && (ca_field_type(pca->chid) != TYPENOTCONN)) {
+			if(pca
+                        && pca->chid
+                        && (ca_field_type(pca->chid) != TYPENOTCONN)) {
 			    nconnected++;
 			    nDisconnect += pca->nDisconnect;
 			    nNoWrite += pca->nNoWrite;