Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Felipe Balbi Subject: [PATCH 3.19 121/175] usb: dwc3: gadget: add missing spin_lock() Date: Tue, 3 Mar 2015 22:14:59 -0800 Message-Id: <20150304061046.016132975@linuxfoundation.org> In-Reply-To: <20150304061026.134125919@linuxfoundation.org> References: <20150304061026.134125919@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Felipe Balbi commit 5c7b3b02de766a8634708953e805399e3544a290 upstream. commit 8e74475b0e0a (usb: dwc3: gadget: use udc-core's reset notifier) added support for the new UDC core's reset notifier to dwc3 but while at it, it removed a spin_lock() from dwc3_reset_gadget() which might cause an unbalanced spin_unlock() further down the line Fixes: 8e74475b0e0a (usb: dwc3: gadget: use udc-core's reset notifier) Signed-off-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- drivers/usb/dwc3/gadget.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2043,6 +2043,7 @@ static void dwc3_resume_gadget(struct dw if (dwc->gadget_driver && dwc->gadget_driver->resume) { spin_unlock(&dwc->lock); dwc->gadget_driver->resume(&dwc->gadget); + spin_lock(&dwc->lock); } }