From: Oliver Neukum <oliver@neukum.org>
Date: Wed, 16 Dec 2009 18:23:43 +0000 (+0100)
Subject: Bluetooth: Prevent ill-timed autosuspend in USB driver
X-Git-Tag: firefly_0821_release~11625^2~460
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f661c3feba2d9455614d64ba0f73f182a1b39456;p=firefly-linux-kernel-4.4.55.git

Bluetooth: Prevent ill-timed autosuspend in USB driver

commit 652fd781a52ad6e24b908cd8b83d12699754f253 upstream.

The device must be marked busy as it receives data.

Signed-off-by: Oliver Neukum <oliver@neukum.org>
Tested-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 44bc8bbabf54..1be76318f516 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -307,6 +307,7 @@ static void btusb_bulk_complete(struct urb *urb)
 		return;
 
 	usb_anchor_urb(urb, &data->bulk_anchor);
+	usb_mark_last_busy(data->udev);
 
 	err = usb_submit_urb(urb, GFP_ATOMIC);
 	if (err < 0) {