From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Andrey Konovalov , Cameron Gutman , Dmitry Torokhov , Sasha Levin Subject: [PATCH 4.4 61/86] Input: xpad - validate USB endpoint type during probe Date: Thu, 29 Nov 2018 15:12:26 +0100 Message-Id: <20181129140115.135763514@linuxfoundation.org> In-Reply-To: <20181129140109.832117862@linuxfoundation.org> References: <20181129140109.832117862@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit List-ID: 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ [ Upstream commit 122d6a347329818419b032c5a1776e6b3866d9b9 ] We should only see devices with interrupt endpoints. Ignore any other endpoints that we find, so we don't send try to send them interrupt URBs and trigger a WARN down in the USB stack. Reported-by: Andrey Konovalov Tested-by: Andrey Konovalov Cc: # c01b5e7464f0 Input: xpad - don't depend on endpoint order Signed-off-by: Cameron Gutman Signed-off-by: Dmitry Torokhov Signed-off-by: Sasha Levin --- drivers/input/joystick/xpad.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index f8e34ef643c7..d86e59515b9c 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -1764,10 +1764,12 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id struct usb_endpoint_descriptor *ep = &intf->cur_altsetting->endpoint[i].desc; - if (usb_endpoint_dir_in(ep)) - ep_irq_in = ep; - else - ep_irq_out = ep; + if (usb_endpoint_xfer_int(ep)) { + if (usb_endpoint_dir_in(ep)) + ep_irq_in = ep; + else + ep_irq_out = ep; + } } if (!ep_irq_in || !ep_irq_out) { -- 2.17.1