95iscsi: parse output from iscsiadm correctly

Due to some obsure reason the IFS parameter is not set correctly
when evaluating get_ibft_mod(). So change the parsing to not rely
on IFS altogether.

References: bnc#886199

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Thomas Renninger <trenn@suse.de>

modules.d/95iscsi/module-setup.sh

@@ -30,15 +30,16 @@ check() {
 
 get_ibft_mod() {
     local ibft_mac=$1
+    local iface_mac iface_mod
     # Return the iSCSI offload module for a given MAC address
-    iscsiadm -m iface | while read iface_name iface_desc ; do
-        IFS=$','
-        set -- $iface_desc
-        if [ "$ibft_mac" = "$2" ] ; then
-            echo $1
+    for iface_desc in $(iscsiadm -m iface | cut -f 2 -d ' '); do
+        iface_mod=${iface_desc%%,*}
+        iface_mac=${iface_desc#*,}
+        iface_mac=${iface_mac%%,*}
+        if [ "$ibft_mac" = "$iface_mac" ] ; then
+            echo $iface_mod
             return 0
         fi
-        unset IFS
     done
 }