[3.8.y.z extended stable] Patch "usb: cdc-wdm: manage_power should always set needs_remote_wakeup" has been added to staging queue

[Kamal Mostafa]

This is a note to let you know that I have just added a patch titled

    usb: cdc-wdm: manage_power should always set needs_remote_wakeup

to the linux-3.8.y-queue branch of the 3.8.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.8.y-queue

This patch is scheduled to be released in version 3.8.13.16.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.8.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

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>From 239b1b2a1ed727110ed53f1fe3ddc7eaf914fab0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B8rn=20Mork?= <bjorn at mork.no>
Date: Fri, 29 Nov 2013 20:17:45 +0100
Subject: usb: cdc-wdm: manage_power should always set needs_remote_wakeup
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

commit 4144bc861ed7934d56f16d2acd808d44af0fcc90 upstream.

Reported-by: Oliver Neukum <oneukum at suse.de>
Signed-off-by: Bjørn Mork <bjorn at mork.no>
Acked-by: Oliver Neukum <oneukum at suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
 drivers/usb/class/cdc-wdm.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 46c9379..59f7d32 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -801,13 +801,11 @@ static int wdm_manage_power(struct usb_interface *intf, int on)
 {
 	/* need autopm_get/put here to ensure the usbcore sees the new value */
 	int rv = usb_autopm_get_interface(intf);
-	if (rv < 0)
-		goto err;

 	intf->needs_remote_wakeup = on;
-	usb_autopm_put_interface(intf);
-err:
-	return rv;
+	if (!rv)
+		usb_autopm_put_interface(intf);
+	return 0;
 }

 static int wdm_probe(struct usb_interface *intf, const struct usb_device_id *id)
--
1.8.3.2