* [PATCH 0/6] Cocci spatch "pool_zalloc-simple" - v4.14-rc1
@ 2017-09-21 6:15 Thomas Meyer
2017-09-21 6:15 ` [PATCH 4/6] mvsas: Cocci spatch "pool_zalloc-simple" Thomas Meyer
` (5 more replies)
0 siblings, 6 replies; 12+ messages in thread
From: Thomas Meyer @ 2017-09-21 6:15 UTC (permalink / raw)
To: linux-kernel
Use *_pool_zalloc rather than *_pool_alloc followed by memset with 0.
Found by coccinelle spatch "api/alloc/pool_zalloc-simple.cocci"
Run against version v4.14-rc1
Let me know when you as a maintainer are not interested in these kind of patches.
I can exclude you by path; e.g. all findings in "drivers/scsi" will never
be reported again by this semi-automatic program runs.
^ permalink raw reply [flat|nested] 12+ messages in thread* [PATCH 4/6] mvsas: Cocci spatch "pool_zalloc-simple" 2017-09-21 6:15 [PATCH 0/6] Cocci spatch "pool_zalloc-simple" - v4.14-rc1 Thomas Meyer @ 2017-09-21 6:15 ` Thomas Meyer 2017-09-21 6:15 ` Thomas Meyer ` (4 subsequent siblings) 5 siblings, 0 replies; 12+ messages in thread From: Thomas Meyer @ 2017-09-21 6:15 UTC (permalink / raw) To: jejb, martin.petersen, linux-scsi, linux-kernel 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 <thomas@m3y3r.de> --- diff -u -p a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -790,12 +790,11 @@ static int mvs_task_prep(struct sas_task slot->n_elem = n_elem; slot->slot_tag = tag; - slot->buf = dma_pool_alloc(mvi->dma_pool, GFP_ATOMIC, &slot->buf_dma); + slot->buf = dma_pool_zalloc(mvi->dma_pool, GFP_ATOMIC, &slot->buf_dma); if (!slot->buf) { rc = -ENOMEM; goto err_out_tag; } - memset(slot->buf, 0, MVS_SLOT_BUF_SZ); tei.task = task; tei.hdr = &mvi->slot[tag]; ^ permalink raw reply [flat|nested] 12+ messages in thread
* [Intel-wired-lan] [PATCH 2/6] e100: Cocci spatch "pool_zalloc-simple" 2017-09-21 6:15 [PATCH 0/6] Cocci spatch "pool_zalloc-simple" - v4.14-rc1 Thomas Meyer @ 2017-09-21 6:15 ` Thomas Meyer 2017-09-21 6:15 ` Thomas Meyer ` (4 subsequent siblings) 5 siblings, 0 replies; 12+ messages in thread From: Thomas Meyer @ 2017-09-21 6:15 UTC (permalink / raw) To: intel-wired-lan 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 <thomas@m3y3r.de> --- diff -u -p a/drivers/net/ethernet/intel/e100.c b/drivers/net/ethernet/intel/e100.c --- a/drivers/net/ethernet/intel/e100.c +++ b/drivers/net/ethernet/intel/e100.c @@ -1910,11 +1910,10 @@ static int e100_alloc_cbs(struct nic *ni nic->cb_to_use = nic->cb_to_send = nic->cb_to_clean = NULL; nic->cbs_avail = 0; - nic->cbs = pci_pool_alloc(nic->cbs_pool, GFP_KERNEL, - &nic->cbs_dma_addr); + nic->cbs = pci_pool_zalloc(nic->cbs_pool, GFP_KERNEL, + &nic->cbs_dma_addr); if (!nic->cbs) return -ENOMEM; - memset(nic->cbs, 0, count * sizeof(struct cb)); for (cb = nic->cbs, i = 0; i < count; cb++, i++) { cb->next = (i + 1 < count) ? cb + 1 : nic->cbs; ^ permalink raw reply [flat|nested] 12+ messages in thread
* [PATCH 2/6] e100: Cocci spatch "pool_zalloc-simple" @ 2017-09-21 6:15 ` Thomas Meyer 0 siblings, 0 replies; 12+ messages in thread From: Thomas Meyer @ 2017-09-21 6:15 UTC (permalink / raw) To: jeffrey.t.kirsher, intel-wired-lan, netdev, linux-kernel 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 <thomas@m3y3r.de> --- diff -u -p a/drivers/net/ethernet/intel/e100.c b/drivers/net/ethernet/intel/e100.c --- a/drivers/net/ethernet/intel/e100.c +++ b/drivers/net/ethernet/intel/e100.c @@ -1910,11 +1910,10 @@ static int e100_alloc_cbs(struct nic *ni nic->cb_to_use = nic->cb_to_send = nic->cb_to_clean = NULL; nic->cbs_avail = 0; - nic->cbs = pci_pool_alloc(nic->cbs_pool, GFP_KERNEL, - &nic->cbs_dma_addr); + nic->cbs = pci_pool_zalloc(nic->cbs_pool, GFP_KERNEL, + &nic->cbs_dma_addr); if (!nic->cbs) return -ENOMEM; - memset(nic->cbs, 0, count * sizeof(struct cb)); for (cb = nic->cbs, i = 0; i < count; cb++, i++) { cb->next = (i + 1 < count) ? cb + 1 : nic->cbs; ^ permalink raw reply [flat|nested] 12+ messages in thread
* [PATCH 5/6] scsi: qla2xxx: Cocci spatch "pool_zalloc-simple" 2017-09-21 6:15 [PATCH 0/6] Cocci spatch "pool_zalloc-simple" - v4.14-rc1 Thomas Meyer 2017-09-21 6:15 ` [PATCH 4/6] mvsas: Cocci spatch "pool_zalloc-simple" Thomas Meyer 2017-09-21 6:15 ` Thomas Meyer @ 2017-09-21 6:15 ` Thomas Meyer 2017-09-22 17:25 ` Madhani, Himanshu 2017-09-25 23:07 ` Martin K. Petersen 2017-09-21 6:15 ` [PATCH 1/6] mailbox: bcm-flexrm-mailbox: " Thomas Meyer ` (2 subsequent siblings) 5 siblings, 2 replies; 12+ messages in thread From: Thomas Meyer @ 2017-09-21 6:15 UTC (permalink / raw) To: qla2xxx-upstream, jejb, martin.petersen, linux-scsi, linux-kernel 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 <thomas@m3y3r.de> --- 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; ^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: [PATCH 5/6] scsi: qla2xxx: Cocci spatch "pool_zalloc-simple" 2017-09-21 6:15 ` [PATCH 5/6] scsi: qla2xxx: " Thomas Meyer @ 2017-09-22 17:25 ` Madhani, Himanshu 2017-09-25 23:07 ` Martin K. Petersen 1 sibling, 0 replies; 12+ messages in thread From: Madhani, Himanshu @ 2017-09-22 17:25 UTC (permalink / raw) To: Thomas Meyer Cc: Dept-Eng QLA2xxx Upstream, James E.J. Bottomley, Martin K . Petersen, Linux SCSI Mailinglist, linux-kernel@vger.kernel.org > On Sep 20, 2017, at 11:15 PM, Thomas Meyer <thomas@m3y3r.de> wrote: > > 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 <thomas@m3y3r.de> > --- > > 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; Looks good. Acked-by: Himanshu Madhani <himanshu.madhani@cavium.com> Thanks, - Himanshu ^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: [PATCH 5/6] scsi: qla2xxx: Cocci spatch "pool_zalloc-simple" 2017-09-21 6:15 ` [PATCH 5/6] scsi: qla2xxx: " Thomas Meyer 2017-09-22 17:25 ` Madhani, Himanshu @ 2017-09-25 23:07 ` Martin K. Petersen 1 sibling, 0 replies; 12+ messages in thread From: Martin K. Petersen @ 2017-09-25 23:07 UTC (permalink / raw) To: Thomas Meyer Cc: qla2xxx-upstream, jejb, martin.petersen, linux-scsi, linux-kernel Thomas, > Use *_pool_zalloc rather than *_pool_alloc followed by memset with 0. > Found by coccinelle spatch "api/alloc/pool_zalloc-simple.cocci" Applied to 4.15/scsi-queue. Thanks! -- Martin K. Petersen Oracle Linux Engineering ^ permalink raw reply [flat|nested] 12+ messages in thread
* [PATCH 1/6] mailbox: bcm-flexrm-mailbox: Cocci spatch "pool_zalloc-simple" 2017-09-21 6:15 [PATCH 0/6] Cocci spatch "pool_zalloc-simple" - v4.14-rc1 Thomas Meyer ` (2 preceding siblings ...) 2017-09-21 6:15 ` [PATCH 5/6] scsi: qla2xxx: " Thomas Meyer @ 2017-09-21 6:15 ` Thomas Meyer 2017-09-21 6:15 ` [PATCH 3/6] scsi: lpfc: " Thomas Meyer 2017-09-21 6:15 ` [PATCH 6/6] scsi: " Thomas Meyer 5 siblings, 0 replies; 12+ messages in thread From: Thomas Meyer @ 2017-09-21 6:15 UTC (permalink / raw) To: jassisinghbrar, linux-kernel 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 <thomas@m3y3r.de> --- diff -u -p a/drivers/mailbox/bcm-flexrm-mailbox.c b/drivers/mailbox/bcm-flexrm-mailbox.c --- a/drivers/mailbox/bcm-flexrm-mailbox.c +++ b/drivers/mailbox/bcm-flexrm-mailbox.c @@ -1258,14 +1258,13 @@ static int flexrm_startup(struct mbox_ch } /* Allocate completion memory */ - ring->cmpl_base = dma_pool_alloc(ring->mbox->cmpl_pool, - GFP_KERNEL, &ring->cmpl_dma_base); + ring->cmpl_base = dma_pool_zalloc(ring->mbox->cmpl_pool, GFP_KERNEL, + &ring->cmpl_dma_base); if (!ring->cmpl_base) { dev_err(ring->mbox->dev, "can't allocate completion memory\n"); ret = -ENOMEM; goto fail_free_bd_memory; } - memset(ring->cmpl_base, 0, RING_CMPL_SIZE); /* Request IRQ */ if (ring->irq == UINT_MAX) { ^ permalink raw reply [flat|nested] 12+ messages in thread
* [PATCH 3/6] scsi: lpfc: Cocci spatch "pool_zalloc-simple" 2017-09-21 6:15 [PATCH 0/6] Cocci spatch "pool_zalloc-simple" - v4.14-rc1 Thomas Meyer ` (3 preceding siblings ...) 2017-09-21 6:15 ` [PATCH 1/6] mailbox: bcm-flexrm-mailbox: " Thomas Meyer @ 2017-09-21 6:15 ` Thomas Meyer 2017-09-22 15:27 ` James Smart 2017-09-25 23:06 ` Martin K. Petersen 2017-09-21 6:15 ` [PATCH 6/6] scsi: " Thomas Meyer 5 siblings, 2 replies; 12+ messages in thread From: Thomas Meyer @ 2017-09-21 6:15 UTC (permalink / raw) To: james.smart, dick.kennedy, jejb, martin.petersen, linux-scsi, linux-kernel 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 <thomas@m3y3r.de> --- diff -u -p a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c --- a/drivers/scsi/lpfc/lpfc_nvme.c +++ b/drivers/scsi/lpfc/lpfc_nvme.c @@ -1938,14 +1938,13 @@ lpfc_new_nvme_buf(struct lpfc_vport *vpo * pci bus space for an I/O. The DMA buffer includes the * number of SGE's necessary to support the sg_tablesize. */ - lpfc_ncmd->data = dma_pool_alloc(phba->lpfc_sg_dma_buf_pool, - GFP_KERNEL, - &lpfc_ncmd->dma_handle); + lpfc_ncmd->data = dma_pool_zalloc(phba->lpfc_sg_dma_buf_pool, + GFP_KERNEL, + &lpfc_ncmd->dma_handle); if (!lpfc_ncmd->data) { kfree(lpfc_ncmd); break; } - memset(lpfc_ncmd->data, 0, phba->cfg_sg_dma_buf_size); lxri = lpfc_sli4_next_xritag(phba); if (lxri == NO_XRI) { ^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: [PATCH 3/6] scsi: lpfc: Cocci spatch "pool_zalloc-simple" 2017-09-21 6:15 ` [PATCH 3/6] scsi: lpfc: " Thomas Meyer @ 2017-09-22 15:27 ` James Smart 2017-09-25 23:06 ` Martin K. Petersen 1 sibling, 0 replies; 12+ messages in thread From: James Smart @ 2017-09-22 15:27 UTC (permalink / raw) To: Thomas Meyer, dick.kennedy, jejb, martin.petersen, linux-scsi, linux-kernel On 9/20/2017 11:15 PM, Thomas Meyer wrote: > 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 <thomas@m3y3r.de> > --- > > Looks good. Thanks. Signed-off-by: James Smart <james.smart@broadcom.com> ^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: [PATCH 3/6] scsi: lpfc: Cocci spatch "pool_zalloc-simple" 2017-09-21 6:15 ` [PATCH 3/6] scsi: lpfc: " Thomas Meyer 2017-09-22 15:27 ` James Smart @ 2017-09-25 23:06 ` Martin K. Petersen 1 sibling, 0 replies; 12+ messages in thread From: Martin K. Petersen @ 2017-09-25 23:06 UTC (permalink / raw) To: Thomas Meyer Cc: james.smart, dick.kennedy, jejb, martin.petersen, linux-scsi, linux-kernel Thomas, > Use *_pool_zalloc rather than *_pool_alloc followed by memset with 0. > Found by coccinelle spatch "api/alloc/pool_zalloc-simple.cocci" Applied to 4.15/scsi-queue. Thank you! -- Martin K. Petersen Oracle Linux Engineering ^ permalink raw reply [flat|nested] 12+ messages in thread
* [PATCH 6/6] scsi: Cocci spatch "pool_zalloc-simple" 2017-09-21 6:15 [PATCH 0/6] Cocci spatch "pool_zalloc-simple" - v4.14-rc1 Thomas Meyer ` (4 preceding siblings ...) 2017-09-21 6:15 ` [PATCH 3/6] scsi: lpfc: " Thomas Meyer @ 2017-09-21 6:15 ` Thomas Meyer 5 siblings, 0 replies; 12+ messages in thread From: Thomas Meyer @ 2017-09-21 6:15 UTC (permalink / raw) To: QLogic-Storage-Upstream, jejb, martin.petersen, linux-scsi, linux-kernel 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 <thomas@m3y3r.de> --- diff -u -p a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c --- a/drivers/scsi/qla4xxx/ql4_mbx.c +++ b/drivers/scsi/qla4xxx/ql4_mbx.c @@ -1651,13 +1651,12 @@ int qla4xxx_set_chap(struct scsi_qla_hos uint32_t chap_size = 0; dma_addr_t chap_dma; - chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); + chap_table = dma_pool_zalloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); if (chap_table == NULL) { ret = -ENOMEM; goto exit_set_chap; } - memset(chap_table, 0, sizeof(struct ql4_chap_table)); if (bidi) chap_table->flags |= BIT_6; /* peer */ else diff -u -p a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -825,12 +825,10 @@ static int qla4xxx_delete_chap(struct Sc uint32_t chap_size; int ret = 0; - chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); + chap_table = dma_pool_zalloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); if (chap_table == NULL) return -ENOMEM; - memset(chap_table, 0, sizeof(struct ql4_chap_table)); - if (is_qla80XX(ha)) max_chap_entries = (ha->hw.flt_chap_size / 2) / sizeof(struct ql4_chap_table); ^ permalink raw reply [flat|nested] 12+ messages in thread
end of thread, other threads:[~2017-09-25 23:07 UTC | newest] Thread overview: 12+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2017-09-21 6:15 [PATCH 0/6] Cocci spatch "pool_zalloc-simple" - v4.14-rc1 Thomas Meyer 2017-09-21 6:15 ` [PATCH 4/6] mvsas: Cocci spatch "pool_zalloc-simple" Thomas Meyer 2017-09-21 6:15 ` [Intel-wired-lan] [PATCH 2/6] e100: " Thomas Meyer 2017-09-21 6:15 ` Thomas Meyer 2017-09-21 6:15 ` [PATCH 5/6] scsi: qla2xxx: " Thomas Meyer 2017-09-22 17:25 ` Madhani, Himanshu 2017-09-25 23:07 ` Martin K. Petersen 2017-09-21 6:15 ` [PATCH 1/6] mailbox: bcm-flexrm-mailbox: " Thomas Meyer 2017-09-21 6:15 ` [PATCH 3/6] scsi: lpfc: " Thomas Meyer 2017-09-22 15:27 ` James Smart 2017-09-25 23:06 ` Martin K. Petersen 2017-09-21 6:15 ` [PATCH 6/6] scsi: " Thomas Meyer
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