From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 352D7C54E60 for ; Tue, 19 Mar 2024 13:23:16 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EB1A410FAA3; Tue, 19 Mar 2024 13:23:15 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="nTVEselQ"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) by gabe.freedesktop.org (Postfix) with ESMTPS id A35E810F00F for ; Tue, 19 Mar 2024 13:23:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1710854594; x=1742390594; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=TZRzoGYTr1cOnYrOvKCJKpchdW+6S5q4ajYpEmpa7yQ=; b=nTVEselQ05QDnntYVKp/A9d1hbl8rSVAywJ471cFjVUhl8iivo/dShkz kjPbkvZ7p2YO1W+cmBptbN4e7G+Nmc6d5Vf6PvM7TwDtAaUJXcVKznC+P eJBeL2jsXl7AV8G997W6QX+/DniUZWLExnLtK0le1vNso7LcFbJPu6DJC iARgIsQvQE+ciwxJdaLB8fiANIZiWpEwlyztoexqAmpMtGut0IBM6WVO8 u2j5Z/r0AlGnuJSWgC1W8Tdr45D0a0vw1Blow6aisjRiqYXcDhh4fP4AC lCHQ1Je7okxK0V/h0XgJh+qEYF9wVJ8IhNr/58brVHPYMCOsCOPfJGrGQ A==; X-IronPort-AV: E=McAfee;i="6600,9927,11017"; a="17125606" X-IronPort-AV: E=Sophos;i="6.07,137,1708416000"; d="scan'208";a="17125606" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Mar 2024 06:23:14 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,137,1708416000"; d="scan'208";a="18382086" Received: from nirmoyda-desk.igk.intel.com ([10.102.138.190]) by fmviesa003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Mar 2024 06:23:13 -0700 From: Nirmoy Das To: intel-xe@lists.freedesktop.org Cc: Nirmoy Das , Matthew Auld Subject: [PATCH] drm/xe: Add a NULL check in xe_ttm_stolen_mgr_init Date: Tue, 19 Mar 2024 14:09:25 +0100 Message-ID: <20240319130925.22399-1-nirmoy.das@intel.com> X-Mailer: git-send-email 2.42.0 MIME-Version: 1.0 Organization: Intel Deutschland GmbH, Registered Address: Am Campeon 10, 85579 Neubiberg, Germany, Commercial Register: Amtsgericht Muenchen HRB 186928 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Add an explicit check to ensure that the mgr is not NULL. Cc: Matthew Auld Signed-off-by: Nirmoy Das --- drivers/gpu/drm/xe/xe_ttm_stolen_mgr.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_ttm_stolen_mgr.c b/drivers/gpu/drm/xe/xe_ttm_stolen_mgr.c index 3107d2a12426..fb35e46d68b4 100644 --- a/drivers/gpu/drm/xe/xe_ttm_stolen_mgr.c +++ b/drivers/gpu/drm/xe/xe_ttm_stolen_mgr.c @@ -207,6 +207,11 @@ void xe_ttm_stolen_mgr_init(struct xe_device *xe) u64 stolen_size, io_size, pgsize; int err; + if (!mgr) { + drm_dbg_kms(&xe->drm, "Stolen mgr init failed\n"); + return; + } + if (IS_SRIOV_VF(xe)) stolen_size = 0; else if (IS_DGFX(xe)) -- 2.42.0