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 X-Spam-Level: X-Spam-Status: No, score=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 75492C04FF3 for ; Mon, 24 May 2021 15:50:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4760861376 for ; Mon, 24 May 2021 15:50:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233201AbhEXPvb (ORCPT ); Mon, 24 May 2021 11:51:31 -0400 Received: from mail.kernel.org ([198.145.29.99]:33922 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234620AbhEXPo0 (ORCPT ); Mon, 24 May 2021 11:44:26 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id B4A4961477; Mon, 24 May 2021 15:35:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1621870558; bh=c8SxYsRbdVuXVwyVy75nz6WNVPnfR4DJEfxVWeSLjlU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WJj72b6nsCONFsQrInD8syc6cxWY6Z+z52PXFtjcRN1uA/mlCiD7KAZzVhqzw6CZQ z+KW1G0oPS5v5fKPioRgkBlhNMIkWxEja9oTT8tHMZOKbzjHOzOlQ8s+FOtTzBwDj/ VZycKQkkAqNxiU0aek09MeGADT/LWYYAKtYfuHeg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Avri Altman , "Martin K. Petersen" , Phillip Potter Subject: [PATCH 4.19 41/49] scsi: ufs: handle cleanup correctly on devm_reset_control_get error Date: Mon, 24 May 2021 17:25:52 +0200 Message-Id: <20210524152325.695743765@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210524152324.382084875@linuxfoundation.org> References: <20210524152324.382084875@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Phillip Potter commit 2f4a784f40f8d337d6590e2e93f46429052e15ac upstream. Move ufshcd_set_variant call in ufs_hisi_init_common to common error section at end of the function, and then jump to this from the error checking statements for both devm_reset_control_get and ufs_hisi_get_resource. This fixes the original commit (63a06181d7ce) which was reverted due to the University of Minnesota problems. Suggested-by: Greg Kroah-Hartman Cc: Avri Altman Cc: Martin K. Petersen Cc: stable Signed-off-by: Phillip Potter Link: https://lore.kernel.org/r/20210503115736.2104747-32-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman --- drivers/scsi/ufs/ufs-hisi.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) --- a/drivers/scsi/ufs/ufs-hisi.c +++ b/drivers/scsi/ufs/ufs-hisi.c @@ -543,17 +543,24 @@ static int ufs_hisi_init_common(struct u host->hba = hba; ufshcd_set_variant(hba, host); - host->rst = devm_reset_control_get(dev, "rst"); + host->rst = devm_reset_control_get(dev, "rst"); + if (IS_ERR(host->rst)) { + dev_err(dev, "%s: failed to get reset control\n", __func__); + err = PTR_ERR(host->rst); + goto error; + } ufs_hisi_set_pm_lvl(hba); err = ufs_hisi_get_resource(host); - if (err) { - ufshcd_set_variant(hba, NULL); - return err; - } + if (err) + goto error; return 0; + +error: + ufshcd_set_variant(hba, NULL); + return err; } static int ufs_hi3660_init(struct ufs_hba *hba)