From 36f84744031430747d27bfb2087c7ae51019a70a Mon Sep 17 00:00:00 2001
From: Sergei Golubchik <serg@mariadb.org>
Date: Fri, 10 Nov 2017 12:48:52 +0100
Subject: [PATCH] MDEV-14337 mysqld_safe may suppress error messages with
 --log-output=file

don't close stdout/stderr, redirect them to /dev/null instead.
otherwise redirections like >&2 fail with "invalid file descriptor"
---
 scripts/mysqld_safe.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/mysqld_safe.sh b/scripts/mysqld_safe.sh
index b644184b1e1d..46b376890939 100644
--- scripts/mysqld_safe.sh.orig
+++ scripts/mysqld_safe.sh
@@ -868,8 +868,8 @@ if expr "${-}" : '.*x' > /dev/null
 then
   :
 else
-  exec 1>&-
-  exec 2>&-
+  exec 1>/dev/null
+  exec 2>/dev/null
 fi
 
 while true