modules.d: get rid of "tr"

[platform/upstream/dracut.git] / modules.d / 40network / net-lib.sh

diff --git a/modules.d/40network/net-lib.sh b/modules.d/40network/net-lib.sh
index 7157cd5..9132e4d 100644 (file)
--- a/modules.d/40network/net-lib.sh
+++ b/modules.d/40network/net-lib.sh
@@ -13,7 +13,7 @@ iface_for_remote_addr() {
 }
 
 iface_for_mac() {
-    local interface="" mac="$(echo $1 | tr '[:upper:]' '[:lower:]')"
+    local interface="" mac="$(echo $1 | sed 'y/ABCDEF/abcdef/')"
     for interface in /sys/class/net/*; do
         if [ $(cat $interface/address) = "$mac" ]; then
             echo ${interface##*/}