From patchwork Tue Oct 26 11:25:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wang Hai X-Patchwork-Id: 12584537 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 484A4C433FE for ; Tue, 26 Oct 2021 11:07:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2367F6103C for ; Tue, 26 Oct 2021 11:07:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235366AbhJZLJz (ORCPT ); Tue, 26 Oct 2021 07:09:55 -0400 Received: from szxga01-in.huawei.com ([45.249.212.187]:29938 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232091AbhJZLJy (ORCPT ); Tue, 26 Oct 2021 07:09:54 -0400 Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.56]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4Hdpnk2nmFzbnPy; Tue, 26 Oct 2021 19:02:50 +0800 (CST) Received: from kwepemm600001.china.huawei.com (7.193.23.3) by dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.15; Tue, 26 Oct 2021 19:07:27 +0800 Received: from huawei.com (10.175.104.82) by kwepemm600001.china.huawei.com (7.193.23.3) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.15; Tue, 26 Oct 2021 19:07:27 +0800 From: Wang Hai To: , , , CC: , , Subject: [PATCH net] usbnet: fix error return code in usbnet_probe() Date: Tue, 26 Oct 2021 19:25:26 +0800 Message-ID: <20211026112526.2878177-1-wanghai38@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.175.104.82] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To kwepemm600001.china.huawei.com (7.193.23.3) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Return error code if usb_maxpacket() returns 0 in usbnet_probe(). Fixes: 397430b50a36 ("usbnet: sanity check for maxpacket") Reported-by: Hulk Robot Signed-off-by: Wang Hai --- drivers/net/usb/usbnet.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 80432ee0ce69..fb5bf7d36d50 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -1790,6 +1790,7 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod) dev->maxpacket = usb_maxpacket (dev->udev, dev->out, 1); if (dev->maxpacket == 0) { /* that is a broken device */ + status = -EINVAL; goto out4; }