patches/base-files: fix hotplug script call

patches/openwrt/to-upstream/0020-base-files-fix-hotplug-script.patch

+From 889000a0661b5e9fd40887e6d0060bf157cc1308 Mon Sep 17 00:00:00 2001
+From: Jan Pavlinec <jan.pavlinec@nic.cz>
+Date: Thu, 7 Mar 2019 16:55:16 +0100
+Subject: [PATCH] base-files: don't source script in hotplug-call if is
+ executable
+
+Note: This should also fix the situation when hotplug-call
+tries to source nonshell scripts and don't break case when
+shell hotplug script is installed without executable permission
+
+Signed-off-by: Jan Pavlinec <jan.pavlinec@nic.cz>
+---
+ package/base-files/files/sbin/hotplug-call | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/package/base-files/files/sbin/hotplug-call b/package/base-files/files/sbin/hotplug-call
+index 28e957c3982..dcbd39cb3b0 100755
+--- a/package/base-files/files/sbin/hotplug-call
++++ b/package/base-files/files/sbin/hotplug-call
+@@ -13,6 +13,8 @@ export DEVICENAME="${DEVPATH##*/}"
+ 
+ [ \! -z "$1" -a -d /etc/hotplug.d/$1 ] && {
+ 	for script in $(ls /etc/hotplug.d/$1/* 2>&-); do (
+-		[ -f $script ] && . $script
++		if [ -f "$script" ]; then
++			[ -x $script ] && $script || . $script
++		fi
+ 	); done
+ }