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Make init/functions suitable for running with 'set -u'

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Initialize local variables.
This commit is contained in:
Marek Marczykowski-Górecki 2020-12-04 03:23:18 +01:00
parent 6aa2b89fba
commit 8a3cd3db1d
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GPG Key ID: 063938BA42CFA724
1 changed files with 2 additions and 2 deletions
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init/functions
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@ -118,7 +118,7 @@ umount_retry() {
get_mac_from_iface() { get_mac_from_iface() {
local iface="$1" local iface="$1"
local mac local mac=
if [ "x$iface" != "x" ] && [ -e "/sys/class/net/$iface" ]; then if [ "x$iface" != "x" ] && [ -e "/sys/class/net/$iface" ]; then
mac="$(cat "/sys/class/net/$iface/address")" mac="$(cat "/sys/class/net/$iface/address")"
fi fi
@ -127,7 +127,7 @@ get_mac_from_iface() {
get_iface_from_mac() { get_iface_from_mac() {
local mac="$1" local mac="$1"
local iface local iface=
if [ "x$mac" != "x" ]; then if [ "x$mac" != "x" ]; then
iface="$(ip -o link | grep -i "$mac" | awk '{print $2}' | cut -d ':' -f1)" iface="$(ip -o link | grep -i "$mac" | awk '{print $2}' | cut -d ':' -f1)"
fi fi