From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BD31AC33CB1 for ; Tue, 14 Jan 2020 10:14:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 93826207FF for ; Tue, 14 Jan 2020 10:14:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578996864; bh=la7x7aFzLjJ5M5bG0q9rlD8zmmIiYStPzsQN80+IsqU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=LPuXRwABsXmdhi2diqCQvmQLCuugFsernuxVq7FvGVPXEwrcW2sL+dIh5jX6qKyX5 szRdoOQ93GR2pHh/luQ2LWOJ+QU1Ach//zVJLNP9+pHCVDx0d6pDHA4MqS6YAd+dOV EHIZyNxHhwQzrjIvTWvkeED5Z1iJUR+PMOoIU0aM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729629AbgANKMy (ORCPT ); Tue, 14 Jan 2020 05:12:54 -0500 Received: from mail.kernel.org ([198.145.29.99]:49666 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729532AbgANKMy (ORCPT ); Tue, 14 Jan 2020 05:12:54 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2FE252467D; Tue, 14 Jan 2020 10:12:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578996773; bh=la7x7aFzLjJ5M5bG0q9rlD8zmmIiYStPzsQN80+IsqU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tnzTnC5+AMbcAA0S4icA/ZNni6sXWXGxeTLq+VmIh8OCXZl0gBaU+kfSNpGhLa+A4 wnNXj2KfffJkchtcyjdQkBx1vOviaBx7xJVYT9gLFWbi6pc/II71+52Nyfw4Uh8Sbb JMST/RbGlpMeBxxc6zS1P06SIXdATwxhD1WrgpUE= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Johan Hovold , Marc Kleine-Budde Subject: [PATCH 4.4 12/28] can: gs_usb: gs_usb_probe(): use descriptors of current altsetting Date: Tue, 14 Jan 2020 11:02:14 +0100 Message-Id: <20200114094341.890032359@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200114094336.845958665@linuxfoundation.org> References: <20200114094336.845958665@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Johan Hovold commit 2f361cd9474ab2c4ab9ac8db20faf81e66c6279b upstream. Make sure to always use the descriptors of the current alternate setting to avoid future issues when accessing fields that may differ between settings. Signed-off-by: Johan Hovold Fixes: d08e973a77d1 ("can: gs_usb: Added support for the GS_USB CAN devices") Signed-off-by: Marc Kleine-Budde Signed-off-by: Greg Kroah-Hartman --- drivers/net/can/usb/gs_usb.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/net/can/usb/gs_usb.c +++ b/drivers/net/can/usb/gs_usb.c @@ -847,7 +847,7 @@ static int gs_usb_probe(struct usb_inter GS_USB_BREQ_HOST_FORMAT, USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE, 1, - intf->altsetting[0].desc.bInterfaceNumber, + intf->cur_altsetting->desc.bInterfaceNumber, hconf, sizeof(*hconf), 1000); @@ -870,7 +870,7 @@ static int gs_usb_probe(struct usb_inter GS_USB_BREQ_DEVICE_CONFIG, USB_DIR_IN|USB_TYPE_VENDOR|USB_RECIP_INTERFACE, 1, - intf->altsetting[0].desc.bInterfaceNumber, + intf->cur_altsetting->desc.bInterfaceNumber, dconf, sizeof(*dconf), 1000);