From 8be4466d66ca58e09dcfa5e934bce090de4508fe Mon Sep 17 00:00:00 2001
From: Henrik Hautakoski <henrik@eossweden.org>
Date: Fri, 24 Dec 2021 11:05:47 +0100
Subject: [PATCH] src/main.go: in setLogFile() check for null when closing old
 FD and also check error from Close()

---
 src/main.go | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/main.go b/src/main.go
index 006d096..fa6ccf7 100644
--- a/src/main.go
+++ b/src/main.go
@@ -54,9 +54,11 @@ func setLogFile() {
 		log.Error(err.Error())
 	}
 
-	// Close old one (if open)
-	if logfd.Fd() < 0 {
-		logfd.Close()
+	// Try close if old descriptor is defined.
+	if logfd != nil {
+		if err = logfd.Close(); err != nil {
+			log.Error(err.Error())
+		}
 	}
 
 	// Update variable and set log writer.