diff options
author | Yoann Padioleau <padator@wanadoo.fr> | 2007-07-19 01:49:03 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-19 10:04:50 -0700 |
commit | dd00cc486ab1c17049a535413d1751ef3482141c (patch) | |
tree | d90ff69ea06792b9284f2f2665c96624f121b88a /drivers/scsi | |
parent | 3b5ad0797c0e4049001f961a8b58f1d0ce532072 (diff) | |
download | linux-dd00cc486ab1c17049a535413d1751ef3482141c.tar.bz2 |
some kmalloc/memset ->kzalloc (tree wide)
Transform some calls to kmalloc/memset to a single kzalloc (or kcalloc).
Here is a short excerpt of the semantic patch performing
this transformation:
@@
type T2;
expression x;
identifier f,fld;
expression E;
expression E1,E2;
expression e1,e2,e3,y;
statement S;
@@
x =
- kmalloc
+ kzalloc
(E1,E2)
... when != \(x->fld=E;\|y=f(...,x,...);\|f(...,x,...);\|x=E;\|while(...) S\|for(e1;e2;e3) S\)
- memset((T2)x,0,E1);
@@
expression E1,E2,E3;
@@
- kzalloc(E1 * E2,E3)
+ kcalloc(E1,E2,E3)
[akpm@linux-foundation.org: get kcalloc args the right way around]
Signed-off-by: Yoann Padioleau <padator@wanadoo.fr>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Acked-by: Russell King <rmk@arm.linux.org.uk>
Cc: Bryan Wu <bryan.wu@analog.com>
Acked-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Dave Airlie <airlied@linux.ie>
Acked-by: Roland Dreier <rolandd@cisco.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Acked-by: Pierre Ossman <drzeus-list@drzeus.cx>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: "David S. Miller" <davem@davemloft.net>
Acked-by: Greg KH <greg@kroah.com>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/scsi')
-rw-r--r-- | drivers/scsi/3w-9xxx.c | 3 | ||||
-rw-r--r-- | drivers/scsi/NCR53C9x.c | 3 | ||||
-rw-r--r-- | drivers/scsi/NCR_D700.c | 3 | ||||
-rw-r--r-- | drivers/scsi/NCR_Q720.c | 3 | ||||
-rw-r--r-- | drivers/scsi/imm.c | 3 | ||||
-rw-r--r-- | drivers/scsi/ips.c | 3 | ||||
-rw-r--r-- | drivers/scsi/lasi700.c | 3 | ||||
-rw-r--r-- | drivers/scsi/lpfc/lpfc_init.c | 3 | ||||
-rw-r--r-- | drivers/scsi/megaraid/megaraid_mbox.c | 14 | ||||
-rw-r--r-- | drivers/scsi/megaraid/megaraid_mm.c | 3 | ||||
-rw-r--r-- | drivers/scsi/megaraid/megaraid_sas.c | 4 | ||||
-rw-r--r-- | drivers/scsi/pcmcia/aha152x_stub.c | 3 | ||||
-rw-r--r-- | drivers/scsi/pcmcia/nsp_cs.c | 3 | ||||
-rw-r--r-- | drivers/scsi/pcmcia/qlogic_stub.c | 3 | ||||
-rw-r--r-- | drivers/scsi/pcmcia/sym53c500_cs.c | 3 | ||||
-rw-r--r-- | drivers/scsi/ppa.c | 3 | ||||
-rw-r--r-- | drivers/scsi/sim710.c | 3 | ||||
-rw-r--r-- | drivers/scsi/tmscsim.c | 3 |
18 files changed, 21 insertions, 45 deletions
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c index 76c09097175f..6b49f6a2524d 100644 --- a/drivers/scsi/3w-9xxx.c +++ b/drivers/scsi/3w-9xxx.c @@ -1160,13 +1160,12 @@ static int twa_initialize_device_extension(TW_Device_Extension *tw_dev) } /* Allocate event info space */ - tw_dev->event_queue[0] = kmalloc(sizeof(TW_Event) * TW_Q_LENGTH, GFP_KERNEL); + tw_dev->event_queue[0] = kcalloc(TW_Q_LENGTH, sizeof(TW_Event), GFP_KERNEL); if (!tw_dev->event_queue[0]) { TW_PRINTK(tw_dev->host, TW_DRIVER, 0x18, "Event info memory allocation failed"); goto out; } - memset(tw_dev->event_queue[0], 0, sizeof(TW_Event) * TW_Q_LENGTH); for (i = 0; i < TW_Q_LENGTH; i++) { tw_dev->event_queue[i] = (TW_Event *)((unsigned char *)tw_dev->event_queue[0] + (i * sizeof(TW_Event))); diff --git a/drivers/scsi/NCR53C9x.c b/drivers/scsi/NCR53C9x.c index 8b5334c56f0a..773d11dd9953 100644 --- a/drivers/scsi/NCR53C9x.c +++ b/drivers/scsi/NCR53C9x.c @@ -3606,11 +3606,10 @@ out: int esp_slave_alloc(struct scsi_device *SDptr) { struct esp_device *esp_dev = - kmalloc(sizeof(struct esp_device), GFP_ATOMIC); + kzalloc(sizeof(struct esp_device), GFP_ATOMIC); if (!esp_dev) return -ENOMEM; - memset(esp_dev, 0, sizeof(struct esp_device)); SDptr->hostdata = esp_dev; return 0; } diff --git a/drivers/scsi/NCR_D700.c b/drivers/scsi/NCR_D700.c index f12864abed2f..3a8089705feb 100644 --- a/drivers/scsi/NCR_D700.c +++ b/drivers/scsi/NCR_D700.c @@ -181,13 +181,12 @@ NCR_D700_probe_one(struct NCR_D700_private *p, int siop, int irq, struct Scsi_Host *host; int ret; - hostdata = kmalloc(sizeof(*hostdata), GFP_KERNEL); + hostdata = kzalloc(sizeof(*hostdata), GFP_KERNEL); if (!hostdata) { printk(KERN_ERR "NCR D700: SIOP%d: Failed to allocate host" "data, detatching\n", siop); return -ENOMEM; } - memset(hostdata, 0, sizeof(*hostdata)); if (!request_region(region, 64, "NCR_D700")) { printk(KERN_ERR "NCR D700: Failed to reserve IO region 0x%x\n", diff --git a/drivers/scsi/NCR_Q720.c b/drivers/scsi/NCR_Q720.c index 778844c3544a..a8bbdc2273b8 100644 --- a/drivers/scsi/NCR_Q720.c +++ b/drivers/scsi/NCR_Q720.c @@ -148,11 +148,10 @@ NCR_Q720_probe(struct device *dev) __u32 base_addr, mem_size; void __iomem *mem_base; - p = kmalloc(sizeof(*p), GFP_KERNEL); + p = kzalloc(sizeof(*p), GFP_KERNEL); if (!p) return -ENOMEM; - memset(p, 0, sizeof(*p)); pos2 = mca_device_read_pos(mca_dev, 2); /* enable device */ pos2 |= NCR_Q720_POS2_BOARD_ENABLE | NCR_Q720_POS2_INTERRUPT_ENABLE; diff --git a/drivers/scsi/imm.c b/drivers/scsi/imm.c index 0464c182c577..005d2b05f32d 100644 --- a/drivers/scsi/imm.c +++ b/drivers/scsi/imm.c @@ -1159,11 +1159,10 @@ static int __imm_attach(struct parport *pb) init_waitqueue_head(&waiting); - dev = kmalloc(sizeof(imm_struct), GFP_KERNEL); + dev = kzalloc(sizeof(imm_struct), GFP_KERNEL); if (!dev) return -ENOMEM; - memset(dev, 0, sizeof(imm_struct)); dev->base = -1; dev->mode = IMM_AUTODETECT; diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c index 9f8ed6b81576..492a51bd6aa8 100644 --- a/drivers/scsi/ips.c +++ b/drivers/scsi/ips.c @@ -7068,14 +7068,13 @@ ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr) subdevice_id = pci_dev->subsystem_device; /* found a controller */ - ha = kmalloc(sizeof (ips_ha_t), GFP_KERNEL); + ha = kzalloc(sizeof (ips_ha_t), GFP_KERNEL); if (ha == NULL) { IPS_PRINTK(KERN_WARNING, pci_dev, "Unable to allocate temporary ha struct\n"); return -1; } - memset(ha, 0, sizeof (ips_ha_t)); ips_sh[index] = NULL; ips_ha[index] = ha; diff --git a/drivers/scsi/lasi700.c b/drivers/scsi/lasi700.c index 5c32a69e41ba..3126824da36d 100644 --- a/drivers/scsi/lasi700.c +++ b/drivers/scsi/lasi700.c @@ -101,13 +101,12 @@ lasi700_probe(struct parisc_device *dev) struct NCR_700_Host_Parameters *hostdata; struct Scsi_Host *host; - hostdata = kmalloc(sizeof(*hostdata), GFP_KERNEL); + hostdata = kzalloc(sizeof(*hostdata), GFP_KERNEL); if (!hostdata) { printk(KERN_ERR "%s: Failed to allocate host data\n", dev->dev.bus_id); return -ENOMEM; } - memset(hostdata, 0, sizeof(struct NCR_700_Host_Parameters)); hostdata->dev = &dev->dev; dma_set_mask(&dev->dev, DMA_32BIT_MASK); diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index f81f85ee190f..07bd0dcdf0d6 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -1830,7 +1830,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) /* Initialize and populate the iocb list per host. */ INIT_LIST_HEAD(&phba->lpfc_iocb_list); for (i = 0; i < LPFC_IOCB_LIST_CNT; i++) { - iocbq_entry = kmalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL); + iocbq_entry = kzalloc(sizeof(struct lpfc_iocbq), GFP_KERNEL); if (iocbq_entry == NULL) { printk(KERN_ERR "%s: only allocated %d iocbs of " "expected %d count. Unloading driver.\n", @@ -1839,7 +1839,6 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) goto out_free_iocbq; } - memset(iocbq_entry, 0, sizeof(struct lpfc_iocbq)); iotag = lpfc_sli_next_iotag(phba, iocbq_entry); if (iotag == 0) { kfree (iocbq_entry); diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c index c46685a03a9f..c6a53dccc16a 100644 --- a/drivers/scsi/megaraid/megaraid_mbox.c +++ b/drivers/scsi/megaraid/megaraid_mbox.c @@ -454,7 +454,7 @@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) pci_set_master(pdev); // Allocate the per driver initialization structure - adapter = kmalloc(sizeof(adapter_t), GFP_KERNEL); + adapter = kzalloc(sizeof(adapter_t), GFP_KERNEL); if (adapter == NULL) { con_log(CL_ANN, (KERN_WARNING @@ -462,7 +462,6 @@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) goto out_probe_one; } - memset(adapter, 0, sizeof(adapter_t)); // set up PCI related soft state and other pre-known parameters @@ -746,10 +745,9 @@ megaraid_init_mbox(adapter_t *adapter) * Allocate and initialize the init data structure for mailbox * controllers */ - raid_dev = kmalloc(sizeof(mraid_device_t), GFP_KERNEL); + raid_dev = kzalloc(sizeof(mraid_device_t), GFP_KERNEL); if (raid_dev == NULL) return -1; - memset(raid_dev, 0, sizeof(mraid_device_t)); /* * Attach the adapter soft state to raid device soft state @@ -1050,8 +1048,7 @@ megaraid_alloc_cmd_packets(adapter_t *adapter) * since the calling routine does not yet know the number of available * commands. */ - adapter->kscb_list = kmalloc(sizeof(scb_t) * MBOX_MAX_SCSI_CMDS, - GFP_KERNEL); + adapter->kscb_list = kcalloc(MBOX_MAX_SCSI_CMDS, sizeof(scb_t), GFP_KERNEL); if (adapter->kscb_list == NULL) { con_log(CL_ANN, (KERN_WARNING @@ -1059,7 +1056,6 @@ megaraid_alloc_cmd_packets(adapter_t *adapter) __LINE__)); goto out_free_ibuf; } - memset(adapter->kscb_list, 0, sizeof(scb_t) * MBOX_MAX_SCSI_CMDS); // memory allocation for our command packets if (megaraid_mbox_setup_dma_pools(adapter) != 0) { @@ -3495,8 +3491,7 @@ megaraid_cmm_register(adapter_t *adapter) int i; // Allocate memory for the base list of scb for management module. - adapter->uscb_list = kmalloc(sizeof(scb_t) * MBOX_MAX_USER_CMDS, - GFP_KERNEL); + adapter->uscb_list = kcalloc(MBOX_MAX_USER_CMDS, sizeof(scb_t), GFP_KERNEL); if (adapter->uscb_list == NULL) { con_log(CL_ANN, (KERN_WARNING @@ -3504,7 +3499,6 @@ megaraid_cmm_register(adapter_t *adapter) __LINE__)); return -1; } - memset(adapter->uscb_list, 0, sizeof(scb_t) * MBOX_MAX_USER_CMDS); // Initialize the synchronization parameters for resources for diff --git a/drivers/scsi/megaraid/megaraid_mm.c b/drivers/scsi/megaraid/megaraid_mm.c index 84d9c27133d4..b6587a6d8486 100644 --- a/drivers/scsi/megaraid/megaraid_mm.c +++ b/drivers/scsi/megaraid/megaraid_mm.c @@ -890,12 +890,11 @@ mraid_mm_register_adp(mraid_mmadp_t *lld_adp) if (lld_adp->drvr_type != DRVRTYPE_MBOX) return (-EINVAL); - adapter = kmalloc(sizeof(mraid_mmadp_t), GFP_KERNEL); + adapter = kzalloc(sizeof(mraid_mmadp_t), GFP_KERNEL); if (!adapter) return -ENOMEM; - memset(adapter, 0, sizeof(mraid_mmadp_t)); adapter->unique_id = lld_adp->unique_id; adapter->drvr_type = lld_adp->drvr_type; diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c index b7f2e613c903..ebb948c016bb 100644 --- a/drivers/scsi/megaraid/megaraid_sas.c +++ b/drivers/scsi/megaraid/megaraid_sas.c @@ -1636,15 +1636,13 @@ static int megasas_alloc_cmds(struct megasas_instance *instance) * Allocate the dynamic array first and then allocate individual * commands. */ - instance->cmd_list = kmalloc(sizeof(struct megasas_cmd *) * max_cmd, - GFP_KERNEL); + instance->cmd_list = kcalloc(max_cmd, sizeof(struct megasas_cmd*), GFP_KERNEL); if (!instance->cmd_list) { printk(KERN_DEBUG "megasas: out of memory\n"); return -ENOMEM; } - memset(instance->cmd_list, 0, sizeof(struct megasas_cmd *) * max_cmd); for (i = 0; i < max_cmd; i++) { instance->cmd_list[i] = kmalloc(sizeof(struct megasas_cmd), diff --git a/drivers/scsi/pcmcia/aha152x_stub.c b/drivers/scsi/pcmcia/aha152x_stub.c index 370802d24acd..2dd0dc9a9aed 100644 --- a/drivers/scsi/pcmcia/aha152x_stub.c +++ b/drivers/scsi/pcmcia/aha152x_stub.c @@ -106,9 +106,8 @@ static int aha152x_probe(struct pcmcia_device *link) DEBUG(0, "aha152x_attach()\n"); /* Create new SCSI device */ - info = kmalloc(sizeof(*info), GFP_KERNEL); + info = kzalloc(sizeof(*info), GFP_KERNEL); if (!info) return -ENOMEM; - memset(info, 0, sizeof(*info)); info->p_dev = link; link->priv = info; diff --git a/drivers/scsi/pcmcia/nsp_cs.c b/drivers/scsi/pcmcia/nsp_cs.c index c6f8c6e65e05..445cfbbca9b3 100644 --- a/drivers/scsi/pcmcia/nsp_cs.c +++ b/drivers/scsi/pcmcia/nsp_cs.c @@ -1602,9 +1602,8 @@ static int nsp_cs_probe(struct pcmcia_device *link) nsp_dbg(NSP_DEBUG_INIT, "in"); /* Create new SCSI device */ - info = kmalloc(sizeof(*info), GFP_KERNEL); + info = kzalloc(sizeof(*info), GFP_KERNEL); if (info == NULL) { return -ENOMEM; } - memset(info, 0, sizeof(*info)); info->p_dev = link; link->priv = info; data->ScsiInfo = info; diff --git a/drivers/scsi/pcmcia/qlogic_stub.c b/drivers/scsi/pcmcia/qlogic_stub.c index 697cfb76c3a4..67c5a58d17df 100644 --- a/drivers/scsi/pcmcia/qlogic_stub.c +++ b/drivers/scsi/pcmcia/qlogic_stub.c @@ -162,10 +162,9 @@ static int qlogic_probe(struct pcmcia_device *link) DEBUG(0, "qlogic_attach()\n"); /* Create new SCSI device */ - info = kmalloc(sizeof(*info), GFP_KERNEL); + info = kzalloc(sizeof(*info), GFP_KERNEL); if (!info) return -ENOMEM; - memset(info, 0, sizeof(*info)); info->p_dev = link; link->priv = info; link->io.NumPorts1 = 16; diff --git a/drivers/scsi/pcmcia/sym53c500_cs.c b/drivers/scsi/pcmcia/sym53c500_cs.c index 2695b7187b2f..961839ecfe86 100644 --- a/drivers/scsi/pcmcia/sym53c500_cs.c +++ b/drivers/scsi/pcmcia/sym53c500_cs.c @@ -875,10 +875,9 @@ SYM53C500_probe(struct pcmcia_device *link) DEBUG(0, "SYM53C500_attach()\n"); /* Create new SCSI device */ - info = kmalloc(sizeof(*info), GFP_KERNEL); + info = kzalloc(sizeof(*info), GFP_KERNEL); if (!info) return -ENOMEM; - memset(info, 0, sizeof(*info)); info->p_dev = link; link->priv = info; link->io.NumPorts1 = 16; diff --git a/drivers/scsi/ppa.c b/drivers/scsi/ppa.c index 2f1fa1eb7e90..67b6d76a6c8d 100644 --- a/drivers/scsi/ppa.c +++ b/drivers/scsi/ppa.c @@ -1014,10 +1014,9 @@ static int __ppa_attach(struct parport *pb) int modes, ppb, ppb_hi; int err = -ENOMEM; - dev = kmalloc(sizeof(ppa_struct), GFP_KERNEL); + dev = kzalloc(sizeof(ppa_struct), GFP_KERNEL); if (!dev) return -ENOMEM; - memset(dev, 0, sizeof(ppa_struct)); dev->base = -1; dev->mode = PPA_AUTODETECT; dev->recon_tmo = PPA_RECON_TMO; diff --git a/drivers/scsi/sim710.c b/drivers/scsi/sim710.c index 018c65f73ac4..710f19de3d40 100644 --- a/drivers/scsi/sim710.c +++ b/drivers/scsi/sim710.c @@ -100,7 +100,7 @@ sim710_probe_common(struct device *dev, unsigned long base_addr, { struct Scsi_Host * host = NULL; struct NCR_700_Host_Parameters *hostdata = - kmalloc(sizeof(struct NCR_700_Host_Parameters), GFP_KERNEL); + kzalloc(sizeof(struct NCR_700_Host_Parameters), GFP_KERNEL); printk(KERN_NOTICE "sim710: %s\n", dev->bus_id); printk(KERN_NOTICE "sim710: irq = %d, clock = %d, base = 0x%lx, scsi_id = %d\n", @@ -110,7 +110,6 @@ sim710_probe_common(struct device *dev, unsigned long base_addr, printk(KERN_ERR "sim710: Failed to allocate host data\n"); goto out; } - memset(hostdata, 0, sizeof(struct NCR_700_Host_Parameters)); if(request_region(base_addr, 64, "sim710") == NULL) { printk(KERN_ERR "sim710: Failed to reserve IO region 0x%lx\n", diff --git a/drivers/scsi/tmscsim.c b/drivers/scsi/tmscsim.c index 14cba1ca38b3..5db1520f8ba9 100644 --- a/drivers/scsi/tmscsim.c +++ b/drivers/scsi/tmscsim.c @@ -2082,10 +2082,9 @@ static int dc390_slave_alloc(struct scsi_device *scsi_device) uint id = scsi_device->id; uint lun = scsi_device->lun; - pDCB = kmalloc(sizeof(struct dc390_dcb), GFP_KERNEL); + pDCB = kzalloc(sizeof(struct dc390_dcb), GFP_KERNEL); if (!pDCB) return -ENOMEM; - memset(pDCB, 0, sizeof(struct dc390_dcb)); if (!pACB->DCBCnt++) { pACB->pLinkDCB = pDCB; |