From d8f8b09fa088fd45795717d6874f36e823091887 Mon Sep 17 00:00:00 2001
From: Tao Liu <ltao@redhat.com>
Date: Nov 09 2021 13:53:37 +0000
Subject: kdump-lib.sh: fix arithmetic operation syntax


upstream: fedora
resolves: bz2003832
conflict: none

commit c0edb80b8f2d6b859d7f7118942e825d35be5c51
Author: Kairui Song <kasong@redhat.com>
Date:   Wed Sep 8 13:31:31 2021 +0800

    kdump-lib.sh: fix arithmetic operation syntax

    Get rid of let, and remove useless '$' on arithmetic variables.

    Signed-off-by: Kairui Song <kasong@redhat.com>
    Acked-by: Philipp Rudo <prudo@redhat.com>

Signed-off-by: Tao Liu <ltao@redhat.com>

---

diff --git a/kdump-lib.sh b/kdump-lib.sh
index 0b50494..6efec78 100755
--- a/kdump-lib.sh
+++ b/kdump-lib.sh
@@ -768,7 +768,7 @@ get_system_size()
     # replace '-' with '+0x' and '+' with '-0x'
     sum=$( echo $result | sed -e 's/-/K0x/g' | sed -e 's/+/-0x/g' | sed -e 's/K/+/g' )
     size=$(printf "%d\n" $(($sum)))
-    let size=$size/1024/1024/1024
+    size=$((size / 1024 / 1024 / 1024))
 
     echo $size
 }
@@ -794,7 +794,7 @@ get_recommend_size()
         size=${end: : -1}
         unit=${end: -1}
         if [[ $unit == 'T' ]]; then
-            let size=$size*1024
+            size=$((size * 1024))
         fi
         if [[ $mem_size -lt $size ]]; then
             echo $recommend
@@ -890,7 +890,7 @@ get_vmlinux_size()
     local size=0
 
     while read _type _offset _virtaddr _physaddr _fsize _msize _flg _aln; do
-        size=$(( $size + $_msize ))
+        size=$(( size + _msize ))
     done <<< $(readelf -l -W $1 | grep "^  LOAD" 2>/dev/stderr)
 
     echo $size
@@ -945,7 +945,7 @@ get_kernel_size()
     # Fallback to use iomem
     local _size=0
     for _seg in $(grep -E "Kernel (code|rodata|data|bss)" /proc/iomem | cut -d ":" -f 1); do
-	    _size=$(( $_size + 0x${_seg#*-} - 0x${_seg%-*} ))
+	    _size=$(( _size + 0x${_seg#*-} - 0x${_seg%-*} ))
     done
     echo $_size
 }