linux-kernel - [PATCH 24/97] Bluetooth: Prevent ill-timed autosuspend in USB driver

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Date:	Mon,  4 Jan 2010 16:32:37 -0800
From:	Greg Kroah-Hartman <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org,
	stable-review@...nel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Oliver Neukum <oliver@...kum.org>,
	Marcel Holtmann <marcel@...tmann.org>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: [PATCH 24/97] Bluetooth: Prevent ill-timed autosuspend in USB driver

From: Oliver Neukum <oliver@...kum.org>

commit 652fd781a52ad6e24b908cd8b83d12699754f253 upstream.

The device must be marked busy as it receives data.

Signed-off-by: Oliver Neukum <oliver@...kum.org>
Tested-by: Matthew Garrett <mjg@...hat.com>
Signed-off-by: Marcel Holtmann <marcel@...tmann.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
---
 drivers/bluetooth/btusb.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 44bc8bb..1be7631 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) {
-- 
1.6.6

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