From patchwork Thu Jun 24 09:37:18 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiri Kosina X-Patchwork-Id: 12341659 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.3 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D0E5DC48BDF for ; Thu, 24 Jun 2021 09:37:23 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 95935613F2 for ; Thu, 24 Jun 2021 09:37:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 95935613F2 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2B6F06EAA6; Thu, 24 Jun 2021 09:37:23 +0000 (UTC) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by gabe.freedesktop.org (Postfix) with ESMTPS id 52F2D6EAA6; Thu, 24 Jun 2021 09:37:22 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 8F93F6112D; Thu, 24 Jun 2021 09:37:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1624527442; bh=jsDGWCDLGzsT5JajHINSRUN4a5PAlDEfxYxcZcF0zwc=; h=Date:From:To:cc:Subject:From; b=c+n4Z8J6IQEwAaZ8RLOv9H70UhqOOySZvE/UUJXn7kvhpk2LlmphaTGRSBn+V6baK snTcWvrvis4/i1FPQCRkJhp2Q6Z3TbzrBDg9JQu9/3hKdCB7HsJRoWKHQjH15Hqemc QWJBtixZgc8LZ79IYbVqc3oZ0U4qKV9SYHrh3LT0K0x2ezzxE0sZkwPiB1J6kqmWoe 3sP5mwvG5jXMpo/hZgVAzn6nzXik8CVUDUngDFwilbGJ3RWAGebd8546ePeao7/trz 1Ulwch2aBG1sW5z2QpJuDbVja9En1jpfkwtanDnh7HkQN9pXv+y2qHvwM7vE4dqy5M Z28VgiAaUo4BA== Date: Thu, 24 Jun 2021 11:37:18 +0200 (CEST) From: Jiri Kosina To: Alex Deucher , =?iso-8859-15?q?Christian_K=F6?= =?iso-8859-15?q?nig?= , David Airlie Subject: [PATCH] drm/amdgpu: Avoid printing of stack contents on firmware load error Message-ID: User-Agent: Alpine 2.21 (LSU 202 2017-01-01) MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Vojtech Pavlik , dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Jiri Kosina In case when psp_init_asd_microcode() fails to load ASD microcode file, psp_v12_0_init_microcode() tries to print the firmware filename that failed to load before bailing out. This is wrong because: - the firmware filename it would want it print is an incorrect one as psp_init_asd_microcode() and psp_v12_0_init_microcode() are loading different filenames - it tries to print fw_name, but that's not yet been initialized by that time, so it prints random stack contents, e.g. amdgpu 0000:04:00.0: Direct firmware load for amdgpu/renoir_asd.bin failed with error -2 amdgpu 0000:04:00.0: amdgpu: fail to initialize asd microcode amdgpu 0000:04:00.0: amdgpu: psp v12.0: Failed to load firmware "\xfeTO\x8e\xff\xff" Fix that by bailing out immediately, instead of priting the bogus error message. Reported-by: Vojtech Pavlik Signed-off-by: Jiri Kosina Reported-by: kernel test robot --- drivers/gpu/drm/amd/amdgpu/psp_v12_0.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c index c4828bd3264b..5b21e22ad4b9 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c @@ -67,7 +67,7 @@ static int psp_v12_0_init_microcode(struct psp_context *psp) err = psp_init_asd_microcode(psp, chip_name); if (err) - goto out; + return err; snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ta.bin", chip_name); err = request_firmware(&adev->psp.ta_fw, fw_name, adev->dev);