From 72db65679717243edb4b6b2d2d3109a8c3723bda Mon Sep 17 00:00:00 2001
From: "W. Eric Norum" <wenorum@lbl.gov>
Date: Thu, 19 Feb 2004 01:15:08 +0000
Subject: [PATCH] Don't dereference NULL pointer argument.

---
 src/db/dbAccess.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/db/dbAccess.c b/src/db/dbAccess.c
index 136c9b62d..ba2927018 100644
--- a/src/db/dbAccess.c
+++ b/src/db/dbAccess.c
@@ -649,6 +649,8 @@ long epicsShareAPI dbNameToAddr(const char *pname,DBADDR *paddr)
 	struct rset	*prset;
 	dbFldDes	*pflddes;
 
+    if((pname == NULL) || (*pname == '\0'))
+        return 0;
         if(!pdbbase) return(S_db_notFound);
 	dbInitEntry(pdbbase,&dbEntry);
 	status = dbFindRecord(&dbEntry,pname);