From patchwork Thu Feb 17 13:29:47 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Damien Le Moal X-Patchwork-Id: 12750064 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 99D4AC433FE for ; Thu, 17 Feb 2022 13:30:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240931AbiBQNbD (ORCPT ); Thu, 17 Feb 2022 08:31:03 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:48700 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240953AbiBQNax (ORCPT ); Thu, 17 Feb 2022 08:30:53 -0500 Received: from esa2.hgst.iphmx.com (esa2.hgst.iphmx.com [68.232.143.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DC4712AF3C9 for ; Thu, 17 Feb 2022 05:30:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1645104631; x=1676640631; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=dH4sxA9AmlZnS/GYur+GQZPteUwIE//gjMPrygAXHE4=; b=ir1b2QH8XhvqAhjq3cHMYGSlkiNmFJN4qpA+hEwedHL+HFjciMpwSydJ A9+kKGwygEVnmNPpZ2oQQenTCDzQA63uR0KGi230QJUMcvaMS1yqWiFs9 Lj6a61AIYpODbW5KUMNi11jV3/raROK3grWwYaIki1wRT3a+hzUL+um3+ s4JG0rvZ0a90czgxPFAAhBCWzeSPFbByljolRDYFgRi8chCgEh8aPOig4 WCy2ysc6RVHTfu/4RqYowB8JkLdC7egjbB8dremFrA8d9Td1lPfZhQngF YWNeprUrnJcMYIaaRCVJxO9WH/WRUTEMWErRdgKVntFuXo1clCROhMss4 Q==; X-IronPort-AV: E=Sophos;i="5.88,375,1635177600"; d="scan'208";a="297303221" Received: from uls-op-cesaip02.wdc.com (HELO uls-op-cesaep02.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 17 Feb 2022 21:30:31 +0800 IronPort-SDR: c0kraIp17BaaceelQccjjCeJTheEJUHQsPQfU/5Yoi1k/DfE0+2T0XihqIPgVKoYj9izyyOo+p pOT3NDezZlZYvtu18QChEIPR+6ODm4PI0PGvLi3X+eIe+GBM4IC4o6ED1Gn6KSL2shLu3RP38r Azbuj3qiQmtjqhnJlFOWW/SwIsDr0soO2XYG5bPKu3gEyyeWmiCYsejOMfAmc2wOQNFiWUt+hU WdTZrjVlKiTyU0omatI2KSYDoB5AXPFrW/EO9VTh81Q0fZT1esC07BYHOCizsCccXdZCmJbIIV KSCIYTyYzqY0umMKyKFcE6XW Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Feb 2022 05:02:10 -0800 IronPort-SDR: zesvOpAdR44Fw6U3wGeKJ8+j9ZzQVQOxnjj3YaVwB89+AD4UsIqSq918sl7gZeDcua9M6dlB3Y b5xgreWKVeZbEmj4njzcup8Ltg66649r1B9dFWdRmQh5acufBvBMPRSGij96fTOjhz9Yiz4ttb vZXT6hE29U3ZWYwAWj9wf3lzRYlWRj/skkKnTskD29XceUU2kRRMBM//+OYMSbXEsYqV3efwKI ekt4XyrB1Vc6TnKF7xze4BQYmdp/yXAQD3eQ3BT6xDfbUNsI+3iOWMyMQztcsZg+gL3Owlx7lp EQc= WDCIronportException: Internal Received: from usg-ed-osssrv.wdc.com ([10.3.10.180]) by uls-op-cesaip02.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Feb 2022 05:30:32 -0800 Received: from usg-ed-osssrv.wdc.com (usg-ed-osssrv.wdc.com [127.0.0.1]) by usg-ed-osssrv.wdc.com (Postfix) with ESMTP id 4JzwgW1hDJz1SVp2 for ; Thu, 17 Feb 2022 05:30:31 -0800 (PST) Authentication-Results: usg-ed-osssrv.wdc.com (amavisd-new); dkim=pass reason="pass (just generated, assumed good)" header.d=opensource.wdc.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d= opensource.wdc.com; h=content-transfer-encoding:mime-version :references:in-reply-to:x-mailer:message-id:date:subject:to :from; s=dkim; t=1645104630; x=1647696631; bh=dH4sxA9AmlZnS/GYur +GQZPteUwIE//gjMPrygAXHE4=; b=Zr/F/ACcpYr/Whkb7YKMciJR1BQ5mkgWb1 HuMioXDUPJ8UwHCGtJEle3ERuNU/tcWx3fqRCz/qafhzfINCgBRa5f8/8TMSlz8m 7514aaQkdYFBZSbKi7xbDOREqEIuGT+6MfodX2LWmUuaz9Yd/DTwwuoZn1oVW2px +wLeLyxZR8aRyTYmnaPokbuEnhkm7sLbaTX9puta7NjOV0W2atEZKq1/Z1mKcAU9 01uevxoBor/42qWdZb20jZPl9psaH5BU13RLRO4AJrJG5SvxxXpdSSSj7C4cbU1K CcJYVPNqe26NMCLZ51aUF0eradMqUvzaeEY5QJX2Tst5EsdBgX5Q== X-Virus-Scanned: amavisd-new at usg-ed-osssrv.wdc.com Received: from usg-ed-osssrv.wdc.com ([127.0.0.1]) by usg-ed-osssrv.wdc.com (usg-ed-osssrv.wdc.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 4osQ7H2u9pKi for ; Thu, 17 Feb 2022 05:30:30 -0800 (PST) Received: from washi.fujisawa.hgst.com (washi.fujisawa.hgst.com [10.149.53.254]) by usg-ed-osssrv.wdc.com (Postfix) with ESMTPSA id 4JzwgT3jt3z1SVnx; Thu, 17 Feb 2022 05:30:29 -0800 (PST) From: Damien Le Moal To: linux-scsi@vger.kernel.org, "Martin K . Petersen" , Jack Wang , John Garry Cc: Xiang Chen , Jason Yan , Luo Jiaxing Subject: [PATCH v4 22/31] scsi: pm8001: Fix tag leaks on error Date: Thu, 17 Feb 2022 22:29:47 +0900 Message-Id: <20220217132956.484818-23-damien.lemoal@opensource.wdc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220217132956.484818-1-damien.lemoal@opensource.wdc.com> References: <20220217132956.484818-1-damien.lemoal@opensource.wdc.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org In pm8001_chip_set_dev_state_req(), pm8001_chip_fw_flash_update_req() and pm8001_chip_reg_dev_req() add missing calls to pm8001_tag_free() to free the allocated tag when pm8001_mpi_build_cmd() fails. Similarly, in pm8001_exec_internal_task_abort(), if the chip ->task_abort method fails, the tag allocated for the abort request task must be freed. Add the missing call to pm8001_tag_free(). Also remove the useless ex_err label and use "break" instead of "goto" statements in the retry loop. Signed-off-by: Damien Le Moal Reviewed-by: John Garry --- drivers/scsi/pm8001/pm8001_hwi.c | 9 +++++++++ drivers/scsi/pm8001/pm8001_sas.c | 33 +++++++++++++++++--------------- 2 files changed, 27 insertions(+), 15 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index cc96e58454c8..431fc9160637 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -4458,6 +4458,9 @@ static int pm8001_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha, SAS_ADDR_SIZE); rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, sizeof(payload), 0); + if (rc) + pm8001_tag_free(pm8001_ha, tag); + return rc; } @@ -4870,6 +4873,9 @@ pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha, ccb->ccb_tag = tag; rc = pm8001_chip_fw_flash_update_build(pm8001_ha, &flash_update_info, tag); + if (rc) + pm8001_tag_free(pm8001_ha, tag); + return rc; } @@ -4974,6 +4980,9 @@ pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha, payload.nds = cpu_to_le32(state); rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, sizeof(payload), 0); + if (rc) + pm8001_tag_free(pm8001_ha, tag); + return rc; } diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index d0f5feb4f2d3..0440777a9135 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -834,7 +834,8 @@ pm8001_exec_internal_task_abort(struct pm8001_hba_info *pm8001_ha, res = pm8001_tag_alloc(pm8001_ha, &ccb_tag); if (res) - goto ex_err; + break; + ccb = &pm8001_ha->ccb_info[ccb_tag]; ccb->device = pm8001_dev; ccb->ccb_tag = ccb_tag; @@ -843,36 +844,38 @@ pm8001_exec_internal_task_abort(struct pm8001_hba_info *pm8001_ha, res = PM8001_CHIP_DISP->task_abort(pm8001_ha, pm8001_dev, flag, task_tag, ccb_tag); - if (res) { del_timer(&task->slow_task->timer); - pm8001_dbg(pm8001_ha, FAIL, "Executing internal task failed\n"); - goto ex_err; + pm8001_dbg(pm8001_ha, FAIL, + "Executing internal task failed\n"); + pm8001_tag_free(pm8001_ha, ccb_tag); + break; } + wait_for_completion(&task->slow_task->completion); res = TMF_RESP_FUNC_FAILED; + /* Even TMF timed out, return direct. */ if (task->task_state_flags & SAS_TASK_STATE_ABORTED) { pm8001_dbg(pm8001_ha, FAIL, "TMF task timeout.\n"); - goto ex_err; + break; } if (task->task_status.resp == SAS_TASK_COMPLETE && task->task_status.stat == SAS_SAM_STAT_GOOD) { res = TMF_RESP_FUNC_COMPLETE; break; - - } else { - pm8001_dbg(pm8001_ha, EH, - " Task to dev %016llx response: 0x%x status 0x%x\n", - SAS_ADDR(dev->sas_addr), - task->task_status.resp, - task->task_status.stat); - sas_free_task(task); - task = NULL; } + + pm8001_dbg(pm8001_ha, EH, + " Task to dev %016llx response: 0x%x status 0x%x\n", + SAS_ADDR(dev->sas_addr), + task->task_status.resp, + task->task_status.stat); + sas_free_task(task); + task = NULL; } -ex_err: + BUG_ON(retry == 3 && task != NULL); sas_free_task(task); return res;