From b06cf20df8b7a5e8279fdc19483f76bbdfd9ee90 Mon Sep 17 00:00:00 2001
From: Holger Vogt <holger.vogt@uni-due.de>
Date: Sat, 18 Jan 2020 17:29:37 +0100
Subject: [PATCH] remove spurious error message

---
 src/frontend/inp.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/frontend/inp.c b/src/frontend/inp.c
index e4f148da9..ee0ae6cbf 100644
--- a/src/frontend/inp.c
+++ b/src/frontend/inp.c
@@ -528,11 +528,12 @@ inp_spsource(FILE *fp, bool comfile, char *filename, bool intfile)
     }
     tfree(dir_name);
 
-    /* if nothing came back from inp_readall, just close fp and return to caller */
+    /* if nothing came back from inp_readall, e.g. after calling ngspice without parameters,
+    just close fp and return to caller */
     if (!deck) {
         if (!intfile && fp)
             fclose(fp);
-        return 1;
+        return 0;
     }
 
     /* files starting with *ng_script are user supplied command files */