From patchwork Fri Jul 17 16:08:51 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: arun.siluvery@linux.intel.com X-Patchwork-Id: 6817071 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 5F05BC05AD for ; Fri, 17 Jul 2015 16:09:11 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7E477207BF for ; Fri, 17 Jul 2015 16:09:10 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 962DC207C4 for ; Fri, 17 Jul 2015 16:09:09 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 17D6B6EDB7; Fri, 17 Jul 2015 09:09:09 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 1A25E6EDB5 for ; Fri, 17 Jul 2015 09:09:05 -0700 (PDT) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP; 17 Jul 2015 09:08:59 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,497,1432623600"; d="scan'208";a="730834776" Received: from asiluver-linux.isw.intel.com ([10.102.226.117]) by orsmga001.jf.intel.com with ESMTP; 17 Jul 2015 09:08:58 -0700 From: Arun Siluvery To: intel-gfx@lists.freedesktop.org Date: Fri, 17 Jul 2015 17:08:51 +0100 Message-Id: <1437149334-33617-2-git-send-email-arun.siluvery@linux.intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1437149334-33617-1-git-send-email-arun.siluvery@linux.intel.com> References: <1437149334-33617-1-git-send-email-arun.siluvery@linux.intel.com> Cc: Mika Kuoppala Subject: [Intel-gfx] [PATCH v1 1/4] drm/i915: Do kunmap if renderstate parsing fails 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=-5.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 From: Mika Kuoppala Kunmap the renderstate page on error path. Reviewed-by: Arun Siluvery Signed-off-by: Mika Kuoppala --- drivers/gpu/drm/i915/i915_gem_render_state.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem_render_state.c b/drivers/gpu/drm/i915/i915_gem_render_state.c index a0201fc..b6492fe 100644 --- a/drivers/gpu/drm/i915/i915_gem_render_state.c +++ b/drivers/gpu/drm/i915/i915_gem_render_state.c @@ -96,8 +96,10 @@ static int render_state_setup(struct render_state *so) s = lower_32_bits(r); if (so->gen >= 8) { if (i + 1 >= rodata->batch_items || - rodata->batch[i + 1] != 0) - return -EINVAL; + rodata->batch[i + 1] != 0) { + ret = -EINVAL; + goto err_out; + } d[i++] = s; s = upper_32_bits(r); @@ -120,6 +122,10 @@ static int render_state_setup(struct render_state *so) } return 0; + +err_out: + kunmap(page); + return ret; } void i915_gem_render_state_fini(struct render_state *so)