* [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
2017-09-21 6:15 ` [PATCH 4/6] mvsas: Cocci spatch "pool_zalloc-simple" Thomas Meyer
2017-09-21 6:15 ` [Intel-wired-lan] " Thomas Meyer
@ 2017-09-21 6:15 ` Thomas Meyer
2017-09-21 6:15 ` [PATCH 5/6] scsi: qla2xxx: " Thomas Meyer
` (2 subsequent siblings)
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
` (4 preceding siblings ...)
2017-09-21 6:15 ` [PATCH 6/6] scsi: " Thomas Meyer
@ 2017-09-21 6:15 ` Thomas Meyer
2017-09-22 15:27 ` James Smart
2017-09-25 23:06 ` Martin K. Petersen
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
* [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 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
` (2 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 17:25 ` Madhani, Himanshu
2017-09-25 23:07 ` Martin K. Petersen
2017-09-21 6:15 ` [PATCH 6/6] scsi: " Thomas Meyer
2017-09-21 6:15 ` [PATCH 3/6] scsi: lpfc: " Thomas Meyer
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
* [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 ` [Intel-wired-lan] " 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
* [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
` (3 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
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
* [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 ` [Intel-wired-lan] " 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: 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
* [Intel-wired-lan] [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: 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
* 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 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
> 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 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
* 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
end of thread, other threads:[~2017-09-25 23:08 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 ` [PATCH 2/6] e100: " Thomas Meyer
2017-09-21 6:15 ` [Intel-wired-lan] " Thomas Meyer
2017-09-21 6:15 ` [PATCH 1/6] mailbox: bcm-flexrm-mailbox: " 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 6/6] scsi: " 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
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