From 08eb7f45de6131a72db7dd82607fd204d0d2bac2 Mon Sep 17 00:00:00 2001 From: Thomas Meyer Date: Thu, 21 Sep 2017 08:15:26 +0200 Subject: [PATCH] scsi: qla2xxx: Cocci spatch "pool_zalloc-simple" 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 Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_bsg.c | 3 +-- drivers/scsi/qla2xxx/qla_init.c | 3 +-- drivers/scsi/qla2xxx/qla_mbx.c | 27 +++++++++------------------ 3 files changed, 11 insertions(+), 22 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c index 2ea0ef93f5cb..451d9709bc06 100644 --- 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 --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index b5b48ddca962..4c53199db371 100644 --- 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_host *vha, fc_port_t *fcport, u8 opt) 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 --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 99502fa90810..7f71fd378c27 100644 --- 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_t *vha, fc_port_t *fcport, uint8_t opt) "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 *vha, uint16_t loop_id, uint8_t domain, 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 *vha, uint16_t loop_id, uint8_t domain, 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_host_t *vha, char *pos_map) 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 type, struct fc_port *fcport, 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 *vha) 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, int cmd) 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_host *vha, fc_port_t *fcport, u8 opt) 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; -- 2.30.2