From 0e3f04824e3ca6d79faa70efe4bf19048e096f28 Mon Sep 17 00:00:00 2001
From: "W. Eric Norum" <wenorum@lbl.gov>
Date: Thu, 19 Feb 2004 01:09:44 +0000
Subject: [PATCH] Don't pass NULL pointer to iocsh.

---
 src/iocsh/iocUtil.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/iocsh/iocUtil.c b/src/iocsh/iocUtil.c
index 880f97b30..f8e574088 100644
--- a/src/iocsh/iocUtil.c
+++ b/src/iocsh/iocUtil.c
@@ -29,7 +29,8 @@ static const iocshArg * const runScriptArgs[1] = {&runScriptArg0};
 static const iocshFuncDef runScriptFuncDef = {"<",1,runScriptArgs};
 static void runScriptCallFunc(const iocshArgBuf *args)
 {
-    iocsh (args[0].sval);
+    if (args[0].sval)
+        iocsh(args[0].sval);
 }
 
 /* chdir */