From patchwork Tue Jan 17 14:06:11 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Wang, Zhi A" X-Patchwork-Id: 9521129 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 95BBA6020A for ; Tue, 17 Jan 2017 14:15:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8396C284E9 for ; Tue, 17 Jan 2017 14:15:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7767028569; Tue, 17 Jan 2017 14:15:32 +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 0CECC284E9 for ; Tue, 17 Jan 2017 14:15:31 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A015C6E40E; Tue, 17 Jan 2017 14:15:30 +0000 (UTC) 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 ESMTPS id A50AC6E40B for ; Tue, 17 Jan 2017 14:15:28 +0000 (UTC) Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga103.fm.intel.com with ESMTP; 17 Jan 2017 06:15:28 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,244,1477983600"; d="scan'208";a="49696052" Received: from dev-inno.bj.intel.com ([10.238.135.53]) by orsmga004.jf.intel.com with ESMTP; 17 Jan 2017 06:15:26 -0800 From: Zhi Wang To: intel-gfx@lists.freedesktop.org Date: Tue, 17 Jan 2017 22:06:11 +0800 Message-Id: <1484661972-9366-1-git-send-email-zhi.a.wang@intel.com> X-Mailer: git-send-email 1.9.1 Cc: Zhiyuan Lv Subject: [Intel-gfx] [PATCH] drm/i915: Fix a typo in vgt_balloon_space() 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-Virus-Scanned: ClamAV using ClamSMTP From: Zhenyu Wang Commit 625d988acc28 ("drm/i915: Extract reserving space in the GTT to a helper") introduces this typo which can cause a driver loading failure in Linux GVT-g guest. Cc: Joonas Lahtinen Cc: Chris Wilson Cc: Zhiyuan Lv Signed-off-by: Zhenyu Wang Signed-off-by: Zhi Wang Reviewed-by: Chris Wilson --- drivers/gpu/drm/i915/i915_vgpu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_vgpu.c b/drivers/gpu/drm/i915/i915_vgpu.c index f1ad4fb..d0abfd0 100644 --- a/drivers/gpu/drm/i915/i915_vgpu.c +++ b/drivers/gpu/drm/i915/i915_vgpu.c @@ -122,7 +122,7 @@ static int vgt_balloon_space(struct i915_ggtt *ggtt, { unsigned long size = end - start; - if (start <= end) + if (start >= end) return -EINVAL; DRM_INFO("balloon space: range [ 0x%lx - 0x%lx ] %lu KiB.\n",