summaryrefslogtreecommitdiff
path: root/sys/dev
diff options
context:
space:
mode:
authorriastradh <riastradh@NetBSD.org>2022-03-03 05:49:07 +0000
committerriastradh <riastradh@NetBSD.org>2022-03-03 05:49:07 +0000
commit4741f02fc8ebf18dc6b89cc50db9649690e2c624 (patch)
tree81995bd44d5d706c58fac4495cee15d8827267c1 /sys/dev
parentcc240f1e7d5a17e0efe99051c60dacff2e8a886c (diff)
usbnet: Don't issue a detach event if we never issued an attach one.
Diffstat (limited to 'sys/dev')
-rw-r--r--sys/dev/usb/usbnet.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/sys/dev/usb/usbnet.c b/sys/dev/usb/usbnet.c
index ca4e5785ccc..dcd802b4924 100644
--- a/sys/dev/usb/usbnet.c
+++ b/sys/dev/usb/usbnet.c
@@ -1,4 +1,4 @@
-/* $NetBSD: usbnet.c,v 1.61 2022/03/03 05:49:00 riastradh Exp $ */
+/* $NetBSD: usbnet.c,v 1.62 2022/03/03 05:49:07 riastradh Exp $ */
/*
* Copyright (c) 2019 Matthew R. Green
@@ -31,7 +31,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: usbnet.c,v 1.61 2022/03/03 05:49:00 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: usbnet.c,v 1.62 2022/03/03 05:49:07 riastradh Exp $");
#include <sys/param.h>
#include <sys/kernel.h>
@@ -1680,7 +1680,14 @@ usbnet_detach(device_t self, int flags)
pmf_device_deregister(un->un_dev);
- usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, un->un_udev, un->un_dev);
+ /*
+ * Notify userland that we're going away, if we arrived in the
+ * first place.
+ */
+ if (unp->unp_ifp_attached) {
+ usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, un->un_udev,
+ un->un_dev);
+ }
kmem_free(unp, sizeof(*unp));
un->un_pri = NULL;