From 89ee3d34c88cb8b83d3b4f28ec914ffad9c472f8 Mon Sep 17 00:00:00 2001
From: Jens Giessmann <jg@handcode.de>
Date: Wed, 17 Oct 2018 22:33:05 +0200
Subject: [PATCH] quotes

---
 plugins/kernel_version_compare | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/plugins/kernel_version_compare b/plugins/kernel_version_compare
index 753ef33..fc7cc78 100755
--- a/plugins/kernel_version_compare
+++ b/plugins/kernel_version_compare
@@ -37,7 +37,7 @@ dpkg_get_latest_installed () {
 
     for i in $(dpkg -l | grep ${image_prefix}-$(uname -r | cut -d '.' -f1) | awk '{print $3}')
     do
-        dpkg --compare-versions $i gt $latest && latest="${i}"
+        dpkg --compare-versions "${i}" gt "${latest}" && latest="${i}"
     done
     echo "${latest}"
 }
@@ -51,7 +51,7 @@ fi
 # --------------------------------------------------------------------
 # write plugin output if available
 # --------------------------------------------------------------------
-if [ ! -z $K_RUN ]; then
+if [ -n "${K_RUN}" ]; then
     echo '<<<kernel_version_compare>>>'
     echo "${K_NAME} ${K_RUN} ${K_INST}"
 fi