From patchwork Fri Mar 6 05:45:12 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Praveen Paneri X-Patchwork-Id: 5950091 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 905A89F373 for ; Fri, 6 Mar 2015 05:42:51 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D25F1202B4 for ; Fri, 6 Mar 2015 05:42:50 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id E5936202BE for ; Fri, 6 Mar 2015 05:42:49 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5A0E26E845; Thu, 5 Mar 2015 21:42:49 -0800 (PST) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTP id CF1DE6E845 for ; Thu, 5 Mar 2015 21:42:47 -0800 (PST) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga103.fm.intel.com with ESMTP; 05 Mar 2015 21:37:41 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.11,351,1422950400"; d="scan'208";a="661282277" Received: from intel-desktop.iind.intel.com ([10.223.82.37]) by orsmga001.jf.intel.com with ESMTP; 05 Mar 2015 21:42:46 -0800 From: Praveen Paneri To: intel-gfx@lists.freedesktop.org Date: Fri, 6 Mar 2015 11:15:12 +0530 Message-Id: <1425620714-21703-8-git-send-email-praveen.paneri@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1425620714-21703-1-git-send-email-praveen.paneri@intel.com> References: <1425620714-21703-1-git-send-email-praveen.paneri@intel.com> Cc: deepak.s@intel.com, praveen.paneri@intel.com Subject: [Intel-gfx] [PATCH 7/9] external/drm: Check function return value X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Validate the return value of SLCreateEntry() before using it. Signed-off-by: Praveen Paneri --- xf86drmSL.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/xf86drmSL.c b/xf86drmSL.c index acddb54..45f3906 100644 --- a/xf86drmSL.c +++ b/xf86drmSL.c @@ -139,6 +139,7 @@ void *drmSLCreate(void) list->magic = SL_LIST_MAGIC; list->level = 0; list->head = SLCreateEntry(SL_MAX_LEVEL, 0, NULL); + if (!list->head) return NULL; list->count = 0; for (i = 0; i <= SL_MAX_LEVEL; i++) list->head->forward[i] = NULL; @@ -205,6 +206,7 @@ int drmSLInsert(void *l, unsigned long key, void *value) } entry = SLCreateEntry(level, key, value); + if (!entry) return -ENOMEM; /* Fix up forward pointers */ for (i = 0; i <= level; i++) {