diff --git a/net/9p/trans_usbg.c b/net/9p/trans_usbg.c
index 55bdcef1f9c5..002e0a5842ab 100644
--- a/net/9p/trans_usbg.c
+++ b/net/9p/trans_usbg.c
@@ -757,7 +757,12 @@ static int usb9pfs_set_alt(struct usb_function *f,
 static void usb9pfs_disable(struct usb_function *f)
 {
 	struct f_usb9pfs *usb9pfs = func_to_usb9pfs(f);
+	unsigned long flags;
 
+	spin_lock_irqsave(&usb9pfs->lock, flags);
+	if (usb9pfs->client)
+		usb9pfs->client->status = Disconnected;
+	spin_unlock_irqrestore(&usb9pfs->lock, flags);
 	usb9pfs_clear_tx(usb9pfs);
 }