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 BD191D206B0 for ; Wed, 16 Oct 2024 07:23:20 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9AE3310E69F; Wed, 16 Oct 2024 07:23:14 +0000 (UTC) Received: from rtg-sunil-navi33.amd.com (unknown [165.204.156.251]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8DC1D10E691 for ; Wed, 16 Oct 2024 07:23:12 +0000 (UTC) Received: from rtg-sunil-navi33.amd.com (localhost [127.0.0.1]) by rtg-sunil-navi33.amd.com (8.15.2/8.15.2/Debian-22ubuntu3) with ESMTP id 49G7N0dk1399743; Wed, 16 Oct 2024 12:53:00 +0530 Received: (from sunil@localhost) by rtg-sunil-navi33.amd.com (8.15.2/8.15.2/Submit) id 49G7N0OW1399742; Wed, 16 Oct 2024 12:53:00 +0530 From: Sunil Khatri To: Alex Deucher , =?UTF-8?q?Christian=20K=C3=B6nig?= Cc: amd-gfx@lists.freedesktop.org, Sunil Khatri Subject: [PATCH v3 03/16] drm/amdgpu: validate sw_fini before function call Date: Wed, 16 Oct 2024 12:52:45 +0530 Message-Id: <20241016072258.1399698-4-sunil.khatri@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241016072258.1399698-1-sunil.khatri@amd.com> References: <20241016072258.1399698-1-sunil.khatri@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" Before making a function call to sw_fini, validate the function pointer like we do in sw_init. Signed-off-by: Sunil Khatri --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 782f01ab39e2..cf84b50f2355 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3379,12 +3379,13 @@ static int amdgpu_device_ip_fini(struct amdgpu_device *adev) amdgpu_ib_pool_fini(adev); amdgpu_seq64_fini(adev); } - - r = adev->ip_blocks[i].version->funcs->sw_fini(&adev->ip_blocks[i]); - /* XXX handle errors */ - if (r) { - DRM_DEBUG("sw_fini of IP block <%s> failed %d\n", - adev->ip_blocks[i].version->funcs->name, r); + if (adev->ip_blocks[i].version->funcs->sw_fini) { + r = adev->ip_blocks[i].version->funcs->sw_fini(&adev->ip_blocks[i]); + /* XXX handle errors */ + if (r) { + DRM_DEBUG("sw_fini of IP block <%s> failed %d\n", + adev->ip_blocks[i].version->funcs->name, r); + } } adev->ip_blocks[i].status.sw = false; adev->ip_blocks[i].status.valid = false; -- 2.34.1