From patchwork Thu Sep 21 06:15:26 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Meyer X-Patchwork-Id: 9963323 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B720B6020C for ; Thu, 21 Sep 2017 06:24:18 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A8B3427D4D for ; Thu, 21 Sep 2017 06:24:18 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9D22F2858D; Thu, 21 Sep 2017 06:24:18 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2A6A627D4D for ; Thu, 21 Sep 2017 06:24:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751870AbdIUGYI (ORCPT ); Thu, 21 Sep 2017 02:24:08 -0400 Received: from www17.your-server.de ([213.133.104.17]:59945 "EHLO www17.your-server.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751834AbdIUGYG (ORCPT ); Thu, 21 Sep 2017 02:24:06 -0400 Received: from [95.222.26.195] (helo=olymp) by www17.your-server.de with esmtpsa (TLSv1.2:DHE-RSA-AES256-GCM-SHA384:256) (Exim 4.85_2) (envelope-from ) id 1duuu5-0002vG-1T; Thu, 21 Sep 2017 08:24:05 +0200 Subject: [PATCH 5/6] scsi: qla2xxx: Cocci spatch "pool_zalloc-simple" From: Thomas Meyer To: qla2xxx-upstream@qlogic.com, jejb@linux.vnet.ibm.com, martin.petersen@oracle.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Mime-Version: 1.0 Message-ID: <1505974468535-1220930483-5-diffsplit-thomas@m3y3r.de> References: <1505974468535-2047238743-0-diffsplit-thomas@m3y3r.de> In-Reply-To: <1505974468535-2047238743-0-diffsplit-thomas@m3y3r.de> Date: Thu, 21 Sep 2017 08:15:26 +0200 X-Mailer: Evolution 3.22.6-1 X-Authenticated-Sender: thomas@m3y3r.de X-Virus-Scanned: Clear (ClamAV 0.99.2/23858/Thu Sep 21 02:46:36 2017) Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Use *_pool_zalloc rather than *_pool_alloc followed by memset with 0. Found by coccinelle spatch "api/alloc/pool_zalloc-simple.cocci" Signed-off-by: Thomas Meyer Acked-by: Himanshu Madhani diff -u -p a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c --- a/drivers/scsi/qla2xxx/qla_bsg.c +++ b/drivers/scsi/qla2xxx/qla_bsg.c @@ -1116,14 +1116,13 @@ qla84xx_mgmt_cmd(struct bsg_job *bsg_job return -EINVAL; } - mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma); + mn = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma); if (!mn) { ql_log(ql_log_warn, vha, 0x703c, "DMA alloc failed for fw buffer.\n"); return -ENOMEM; } - memset(mn, 0, sizeof(struct access_chip_84xx)); mn->entry_type = ACCESS_CHIP_IOCB_TYPE; mn->entry_count = 1; ql84_mgmt = (void *)bsg_request + sizeof(struct fc_bsg_request); diff -u -p a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -812,13 +812,12 @@ int qla24xx_async_gpdb(struct scsi_qla_h sp->gen2 = fcport->login_gen; qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); - pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma); + pd = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma); if (pd == NULL) { ql_log(ql_log_warn, vha, 0xd043, "Failed to allocate port database structure.\n"); goto done_free_sp; } - memset(pd, 0, max(PORT_DATABASE_SIZE, PORT_DATABASE_24XX_SIZE)); mb = sp->u.iocb_cmd.u.mbx.out_mb; mb[0] = MBC_GET_PORT_DATABASE; diff -u -p a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -1782,13 +1782,12 @@ qla2x00_get_port_database(scsi_qla_host_ "Entered %s.\n", __func__); pd24 = NULL; - pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma); + pd = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma); if (pd == NULL) { ql_log(ql_log_warn, vha, 0x1050, "Failed to allocate port database structure.\n"); return QLA_MEMORY_ALLOC_FAILED; } - memset(pd, 0, max(PORT_DATABASE_SIZE, PORT_DATABASE_24XX_SIZE)); mcp->mb[0] = MBC_GET_PORT_DATABASE; if (opt != 0 && !IS_FWI2_CAPABLE(ha)) @@ -2255,13 +2254,12 @@ qla24xx_login_fabric(scsi_qla_host_t *vh else req = ha->req_q_map[0]; - lg = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &lg_dma); + lg = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &lg_dma); if (lg == NULL) { ql_log(ql_log_warn, vha, 0x1062, "Failed to allocate login IOCB.\n"); return QLA_MEMORY_ALLOC_FAILED; } - memset(lg, 0, sizeof(struct logio_entry_24xx)); lg->entry_type = LOGINOUT_PORT_IOCB_TYPE; lg->entry_count = 1; @@ -2525,13 +2523,12 @@ qla24xx_fabric_logout(scsi_qla_host_t *v ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x106d, "Entered %s.\n", __func__); - lg = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &lg_dma); + lg = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &lg_dma); if (lg == NULL) { ql_log(ql_log_warn, vha, 0x106e, "Failed to allocate logout IOCB.\n"); return QLA_MEMORY_ALLOC_FAILED; } - memset(lg, 0, sizeof(struct logio_entry_24xx)); req = vha->req; lg->entry_type = LOGINOUT_PORT_IOCB_TYPE; @@ -2820,13 +2817,12 @@ qla2x00_get_fcal_position_map(scsi_qla_h ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x107f, "Entered %s.\n", __func__); - pmap = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &pmap_dma); + pmap = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &pmap_dma); if (pmap == NULL) { ql_log(ql_log_warn, vha, 0x1080, "Memory alloc failed.\n"); return QLA_MEMORY_ALLOC_FAILED; } - memset(pmap, 0, FCAL_MAP_SIZE); mcp->mb[0] = MBC_GET_FC_AL_POSITION_MAP; mcp->mb[2] = MSW(pmap_dma); @@ -3014,13 +3010,12 @@ qla24xx_abort_command(srb_t *sp) return QLA_FUNCTION_FAILED; } - abt = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &abt_dma); + abt = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &abt_dma); if (abt == NULL) { ql_log(ql_log_warn, vha, 0x108d, "Failed to allocate abort IOCB.\n"); return QLA_MEMORY_ALLOC_FAILED; } - memset(abt, 0, sizeof(struct abort_entry_24xx)); abt->entry_type = ABORT_IOCB_TYPE; abt->entry_count = 1; @@ -3098,13 +3093,12 @@ __qla24xx_issue_tmf(char *name, uint32_t rsp = req->rsp; } - tsk = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &tsk_dma); + tsk = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &tsk_dma); if (tsk == NULL) { ql_log(ql_log_warn, vha, 0x1093, "Failed to allocate task management IOCB.\n"); return QLA_MEMORY_ALLOC_FAILED; } - memset(tsk, 0, sizeof(struct tsk_mgmt_cmd)); tsk->p.tsk.entry_type = TSK_MGMT_IOCB_TYPE; tsk->p.tsk.entry_count = 1; @@ -3856,14 +3850,13 @@ qla24xx_modify_vp_config(scsi_qla_host_t ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10bb, "Entered %s.\n", __func__); - vpmod = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &vpmod_dma); + vpmod = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &vpmod_dma); if (!vpmod) { ql_log(ql_log_warn, vha, 0x10bc, "Failed to allocate modify VP IOCB.\n"); return QLA_MEMORY_ALLOC_FAILED; } - memset(vpmod, 0, sizeof(struct vp_config_entry_24xx)); vpmod->entry_type = VP_CONFIG_IOCB_TYPE; vpmod->entry_count = 1; vpmod->command = VCT_COMMAND_MOD_ENABLE_VPS; @@ -3934,13 +3927,12 @@ qla24xx_control_vp(scsi_qla_host_t *vha, if (vp_index == 0 || vp_index >= ha->max_npiv_vports) return QLA_PARAMETER_ERROR; - vce = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &vce_dma); + vce = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &vce_dma); if (!vce) { ql_log(ql_log_warn, vha, 0x10c2, "Failed to allocate VP control IOCB.\n"); return QLA_MEMORY_ALLOC_FAILED; } - memset(vce, 0, sizeof(struct vp_ctrl_entry_24xx)); vce->entry_type = VP_CTRL_IOCB_TYPE; vce->entry_count = 1; @@ -6025,13 +6017,12 @@ int qla24xx_gpdb_wait(struct scsi_qla_ho if (!vha->hw->flags.fw_started) goto done; - pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma); + pd = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma); if (pd == NULL) { ql_log(ql_log_warn, vha, 0xd047, "Failed to allocate port database structure.\n"); goto done_free_sp; } - memset(pd, 0, max(PORT_DATABASE_SIZE, PORT_DATABASE_24XX_SIZE)); memset(&mc, 0, sizeof(mc)); mc.mb[0] = MBC_GET_PORT_DATABASE;