From patchwork Tue Sep 1 15:07:43 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 264739 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=-13.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT 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 7CC0AC433E2 for ; Tue, 1 Sep 2020 15:36:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 55C5921582 for ; Tue, 1 Sep 2020 15:36:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598974600; bh=qRCS/QLC3FWuoJNnuz3TG5j7m7cgkYxFjClqQS7j5IU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=YTpJec4f1KpxnNbS3ROKJOHJCiHeFua0yhsUlAOnw3JwYVsVbsvp1dn+D+VyuJogP hGqK2qVH7pDg3UnafJZJqOJnMVvdlM8VAH7lJWQEG5zvMiiQRZCGYQ+yI8J60mZ2p4 5aAwsBa6TiNpppNZQazA1dwDcXoEXgQyTVZP5y+s= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729986AbgIAPgj (ORCPT ); Tue, 1 Sep 2020 11:36:39 -0400 Received: from mail.kernel.org ([198.145.29.99]:43680 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731284AbgIAPgd (ORCPT ); Tue, 1 Sep 2020 11:36:33 -0400 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2BAF521534; Tue, 1 Sep 2020 15:36:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598974592; bh=qRCS/QLC3FWuoJNnuz3TG5j7m7cgkYxFjClqQS7j5IU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hkQ4njnyu9tYj6Km+LFze49xs8qH5/qcQzkAksWxTAL47ooBMWXDLp/MBg5P/oVfx oegWLE6yVAUZoYkwbGtnmRRP/EvztVp1+rfCBeFiPxz5IJCuee3+zVd11K0lBsSbX7 +YK59we5Nj+fdQYu8tD1T0HDVGI2LHbLe5t1ois0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Guchun Chen , Tao Zhou , Alex Deucher , Sasha Levin Subject: [PATCH 5.8 007/255] drm/amdgpu: fix RAS memory leak in error case Date: Tue, 1 Sep 2020 17:07:43 +0200 Message-Id: <20200901151001.160468656@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200901151000.800754757@linuxfoundation.org> References: <20200901151000.800754757@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Guchun Chen [ Upstream commit 5e91160ac0b5cfbbaeb62cbff8b069262095f744 ] RAS context memory needs to freed in failure case. Signed-off-by: Guchun Chen Reviewed-by: Tao Zhou Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 19 ++++++++++--------- 1 file changed, 10 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index 50fe08bf2f727..20a7d75b2eb88 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -1914,9 +1914,8 @@ int amdgpu_ras_init(struct amdgpu_device *adev) amdgpu_ras_check_supported(adev, &con->hw_supported, &con->supported); if (!con->hw_supported) { - amdgpu_ras_set_context(adev, NULL); - kfree(con); - return 0; + r = 0; + goto err_out; } con->features = 0; @@ -1927,29 +1926,31 @@ int amdgpu_ras_init(struct amdgpu_device *adev) if (adev->nbio.funcs->init_ras_controller_interrupt) { r = adev->nbio.funcs->init_ras_controller_interrupt(adev); if (r) - return r; + goto err_out; } if (adev->nbio.funcs->init_ras_err_event_athub_interrupt) { r = adev->nbio.funcs->init_ras_err_event_athub_interrupt(adev); if (r) - return r; + goto err_out; } amdgpu_ras_mask &= AMDGPU_RAS_BLOCK_MASK; - if (amdgpu_ras_fs_init(adev)) - goto fs_out; + if (amdgpu_ras_fs_init(adev)) { + r = -EINVAL; + goto err_out; + } dev_info(adev->dev, "RAS INFO: ras initialized successfully, " "hardware ability[%x] ras_mask[%x]\n", con->hw_supported, con->supported); return 0; -fs_out: +err_out: amdgpu_ras_set_context(adev, NULL); kfree(con); - return -EINVAL; + return r; } /* helper function to handle common stuff in ip late init phase */