From patchwork Wed Sep 25 10:59:11 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Carpenter X-Patchwork-Id: 1167133 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=oracle.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=oracle.com header.i=@oracle.com header.b="NuSAOXo4"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 46dZnl3rwQz9sP3 for ; Wed, 25 Sep 2019 20:59:39 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390922AbfIYK7i (ORCPT ); Wed, 25 Sep 2019 06:59:38 -0400 Received: from userp2130.oracle.com ([156.151.31.86]:35406 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390798AbfIYK7i (ORCPT ); Wed, 25 Sep 2019 06:59:38 -0400 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x8PAsZiP087220; Wed, 25 Sep 2019 10:59:24 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=date : from : to : cc : subject : message-id : mime-version : content-type; s=corp-2019-08-05; bh=RaxbzEYgSm67aAT2RWDYs3Ke/EvB0jJZdjRp5bjWFNw=; b=NuSAOXo4uTJ3Xz6aFrQsnxcw3ieaY3/Uhl+hnkCM5GqE+/9KK2oqsUexlglvlCz+agFz vS/RgO7bpGVSKzpxBEGxVAu2v3yGDWkuWed29twPZEZk6xhn6QXOUEezgPQhZnj8lV0/ Gwrc54sqgRVWt/r5KE0eeIax5bJob3/MCHgyvPwchN0Uxqnr74O0ErxjwS+SUjoJAn6u xrmbqG5yZfAb2wTfj3keQRAI/j2fhPXopzjje1glHYETZRFzSxhVJVK/wDWvzNdimPBJ QGsTVomo4j/v8OAV2ZA6ImMjRoJklt9A75jAbpEwKjnwGe/GxBBQ/PhSvsqOw/CXhc7F kA== Received: from userp3030.oracle.com (userp3030.oracle.com [156.151.31.80]) by userp2130.oracle.com with ESMTP id 2v5b9tuvae-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 25 Sep 2019 10:59:23 +0000 Received: from pps.filterd (userp3030.oracle.com [127.0.0.1]) by userp3030.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x8PAx9Ed147929; Wed, 25 Sep 2019 10:59:23 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userp3030.oracle.com with ESMTP id 2v829uuu04-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 25 Sep 2019 10:59:23 +0000 Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id x8PAxIXw027750; Wed, 25 Sep 2019 10:59:18 GMT Received: from mwanda (/41.57.98.10) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 25 Sep 2019 03:59:18 -0700 Date: Wed, 25 Sep 2019 13:59:11 +0300 From: Dan Carpenter To: Radhey Shyam Pandey , "Alvaro G. M" Cc: "David S. Miller" , Michal Simek , Russell King , netdev@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: [PATCH net] net: axienet: fix a signedness bug in probe Message-ID: <20190925105911.GI3264@mwanda> MIME-Version: 1.0 Content-Disposition: inline X-Mailer: git-send-email haha only kidding User-Agent: Mutt/1.10.1 (2018-07-13) X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9390 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=2 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1909250112 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9390 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=2 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1909250112 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The "lp->phy_mode" is an enum but in this context GCC treats it as an unsigned int so the error handling is never triggered. Fixes: ee06b1728b95 ("net: axienet: add support for standard phy-mode binding") Signed-off-by: Dan Carpenter Reviewed-by: Radhey Shyam Pandey --- drivers/net/ethernet/xilinx/xilinx_axienet_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c index 4fc627fb4d11..676006f32f91 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -1762,7 +1762,7 @@ static int axienet_probe(struct platform_device *pdev) } } else { lp->phy_mode = of_get_phy_mode(pdev->dev.of_node); - if (lp->phy_mode < 0) { + if ((int)lp->phy_mode < 0) { ret = -EINVAL; goto free_netdev; }