From patchwork Mon Mar 26 10:26:48 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Engestrom X-Patchwork-Id: 10307617 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 4463C60386 for ; Mon, 26 Mar 2018 10:27:26 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 39B7F2962C for ; Mon, 26 Mar 2018 10:27:26 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2E7C62962E; Mon, 26 Mar 2018 10:27:26 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id DEEBB2962C for ; Mon, 26 Mar 2018 10:27:25 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 043046E487; Mon, 26 Mar 2018 10:27:23 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mailapp01.imgtec.com (mailapp01.imgtec.com [195.59.15.196]) by gabe.freedesktop.org (Postfix) with ESMTP id E629C6E479 for ; Mon, 26 Mar 2018 10:27:17 +0000 (UTC) Received: from hhmail02.hh.imgtec.org (unknown [10.100.10.20]) by Forcepoint Email with ESMTPS id 72E732B6D53E7 for ; Mon, 26 Mar 2018 11:27:14 +0100 (IST) Received: from localhost.localdomain (10.60.4.28) by hhmail02.hh.imgtec.org (10.100.10.21) with Microsoft SMTP Server (TLS) id 14.3.382.0; Mon, 26 Mar 2018 11:27:16 +0100 From: Eric Engestrom To: Subject: [PATCH libdrm 3/3] xf86drm: replace stat() with access() to verify file existence Date: Mon, 26 Mar 2018 11:26:48 +0100 Message-ID: <20180326102648.1754-3-eric.engestrom@imgtec.com> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180326102648.1754-1-eric.engestrom@imgtec.com> References: <20180326102648.1754-1-eric.engestrom@imgtec.com> MIME-Version: 1.0 X-Originating-IP: [10.60.4.28] X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Eric Engestrom --- xf86drm.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/xf86drm.c b/xf86drm.c index 5701952ae83634b47628..47a82407df82d37a59b2 100644 --- a/xf86drm.c +++ b/xf86drm.c @@ -3767,10 +3767,8 @@ int drmGetDevice2(int fd, uint32_t flags, drmDevicePtr *device) return -EINVAL; n = snprintf(node, PATH_MAX, dev_name, DRM_DIR_NAME, min - base); - if (n == -1 || n >= PATH_MAX) + if (n == -1 || n >= PATH_MAX || access(node, F_OK)) return -errno; - if (stat(node, &sbuf)) - return -EINVAL; subsystem_type = drmParseSubsystemType(maj, min); if (subsystem_type != DRM_BUS_PCI)