common env variables

1 files changed, 4 insertions, 2 deletions

diff --git a/kvmd/plugins/msd/otg/drive.py b/kvmd/plugins/msd/otg/drive.py
index ff91afcf..a0a0d82b 100644
--- a/kvmd/plugins/msd/otg/drive.py
+++ b/kvmd/plugins/msd/otg/drive.py
@@ -23,6 +23,8 @@
 import os
 import errno
 
+from .... import env
+
 from .. import MsdOperationError
 
 
@@ -34,9 +36,9 @@ class MsdDriveLockedError(MsdOperationError):
 
 # =====
 class Drive:
-    def __init__(self, prefix: str, gadget: str, instance: int, lun: int) -> None:
+    def __init__(self, gadget: str, instance: int, lun: int) -> None:
         self.__path = os.path.join(
-            f"{prefix}/sys/kernel/config/usb_gadget",
+            f"{env.SYSFS_PREFIX}/sys/kernel/config/usb_gadget",
             gadget,
             f"functions/mass_storage.usb{instance}/lun.{lun}",
         )