path_id: suppress trailing '-' like 'ID_PATH=pci-0000:05:01.0-'

diff --git a/extras/path_id/path_id b/extras/path_id/path_id
index 7a37700289d89841a0d54367835592e4e50a48e4..0fad30cfb257d3468ce047efaf1776994be04f3c 100755 (executable)
--- a/extras/path_id/path_id
+++ b/extras/path_id/path_id
@@ -95,7 +95,11 @@ handle_pci () {
                                ;;
                esac
        done
-       d="pci-$pci_id-$d"
+       if [ "$d" ]; then
+               d="pci-$pci_id-$d"
+       else
+               d="pci-$pci_id"
+       fi
        D="$host_dev_path"
        RESULT=0
 }