diff options
Diffstat (limited to 'drivers/usb/core/notify.c')
| -rw-r--r-- | drivers/usb/core/notify.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/core/notify.c b/drivers/usb/core/notify.c index b042676af0a..6b36897ca15 100644 --- a/drivers/usb/core/notify.c +++ b/drivers/usb/core/notify.c @@ -50,8 +50,11 @@ void usb_notify_add_device(struct usb_device *udev) void usb_notify_remove_device(struct usb_device *udev) { + /* Protect against simultaneous usbfs open */ + mutex_lock(&usbfs_mutex); blocking_notifier_call_chain(&usb_notifier_list, USB_DEVICE_REMOVE, udev); + mutex_unlock(&usbfs_mutex); } void usb_notify_add_bus(struct usb_bus *ubus) |