Use usb_get_dev() to increment the reference count of the usb device structure in order to avoid releasing the structure while it is still in use. And use usb_put_dev() to decrement the reference count and thus, when it will be equal to 0 the structure will be released. Signed-off-by: Salah Triki <salah.triki@xxxxxxxxx> --- Change since v1: Modification of the description drivers/bluetooth/bfusb.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/bluetooth/bfusb.c b/drivers/bluetooth/bfusb.c index 5a321b4076aa..c9145c914451 100644 --- a/drivers/bluetooth/bfusb.c +++ b/drivers/bluetooth/bfusb.c @@ -623,7 +623,7 @@ static int bfusb_probe(struct usb_interface *intf, const struct usb_device_id *i if (!data) return -ENOMEM; - data->udev = udev; + data->udev = usb_get_dev(udev); data->bulk_in_ep = bulk_in_ep->desc.bEndpointAddress; data->bulk_out_ep = bulk_out_ep->desc.bEndpointAddress; data->bulk_pkt_size = le16_to_cpu(bulk_out_ep->desc.wMaxPacketSize); @@ -699,6 +699,8 @@ static void bfusb_disconnect(struct usb_interface *intf) usb_set_intfdata(intf, NULL); + usb_put_dev(interface_to_usbdev(intf)); + bfusb_close(hdev); hci_unregister_dev(hdev); -- 2.25.1
