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[SCSI] fusion: kzalloc / kcalloc conversion
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Convert kmalloc + memset to kzalloc or kcalloc in fusion.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Christoph Hellwig authored and James Bottomley committed Jan 14, 2006
1 parent eeb846c commit 1ca00bb
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Showing 6 changed files with 35 additions and 75 deletions.
3 changes: 1 addition & 2 deletions drivers/message/fusion/mptbase.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -1232,12 +1232,11 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
dprintk((KERN_INFO MYNAM
": Not using 64 bit consistent mask\n"));

ioc = kmalloc(sizeof(MPT_ADAPTER), GFP_ATOMIC);
ioc = kzalloc(sizeof(MPT_ADAPTER), GFP_ATOMIC);
if (ioc == NULL) {
printk(KERN_ERR MYNAM ": ERROR - Insufficient memory to add adapter!\n");
return -ENOMEM;
}
memset(ioc, 0, sizeof(MPT_ADAPTER));
ioc->alloc_total = sizeof(MPT_ADAPTER);
ioc->req_sz = MPT_DEFAULT_FRAME_SIZE; /* avoid div by zero! */
ioc->reply_sz = MPT_REPLY_FRAME_SIZE;
Expand Down
26 changes: 8 additions & 18 deletions drivers/message/fusion/mptfc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -148,11 +148,10 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
MPT_SCSI_HOST *hd;
MPT_ADAPTER *ioc;
unsigned long flags;
int sz, ii;
int ii;
int numSGE = 0;
int scale;
int ioc_cap;
u8 *mem;
int error=0;
int r;

Expand Down Expand Up @@ -268,36 +267,27 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
/* SCSI needs scsi_cmnd lookup table!
* (with size equal to req_depth*PtrSz!)
*/
sz = ioc->req_depth * sizeof(void *);
mem = kmalloc(sz, GFP_ATOMIC);
if (mem == NULL) {
hd->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC);
if (!hd->ScsiLookup) {
error = -ENOMEM;
goto out_mptfc_probe;
}

memset(mem, 0, sz);
hd->ScsiLookup = (struct scsi_cmnd **) mem;

dprintk((MYIOC_s_INFO_FMT "ScsiLookup @ %p, sz=%d\n",
ioc->name, hd->ScsiLookup, sz));
dprintk((MYIOC_s_INFO_FMT "ScsiLookup @ %p\n",
ioc->name, hd->ScsiLookup));

/* Allocate memory for the device structures.
* A non-Null pointer at an offset
* indicates a device exists.
* max_id = 1 + maximum id (hosts.h)
*/
sz = sh->max_id * sizeof(void *);
mem = kmalloc(sz, GFP_ATOMIC);
if (mem == NULL) {
hd->Targets = kcalloc(sh->max_id, sizeof(void *), GFP_ATOMIC);
if (!hd->Targets) {
error = -ENOMEM;
goto out_mptfc_probe;
}

memset(mem, 0, sz);
hd->Targets = (VirtTarget **) mem;

dprintk((KERN_INFO
" vdev @ %p, sz=%d\n", hd->Targets, sz));
dprintk((KERN_INFO " vdev @ %p\n", hd->Targets));

/* Clear the TM flags
*/
Expand Down
14 changes: 5 additions & 9 deletions drivers/message/fusion/mptlan.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -411,14 +411,12 @@ mpt_lan_open(struct net_device *dev)
goto out;
priv->mpt_txfidx_tail = -1;

priv->SendCtl = kmalloc(priv->tx_max_out * sizeof(struct BufferControl),
priv->SendCtl = kcalloc(priv->tx_max_out, sizeof(struct BufferControl),
GFP_KERNEL);
if (priv->SendCtl == NULL)
goto out_mpt_txfidx;
for (i = 0; i < priv->tx_max_out; i++) {
memset(&priv->SendCtl[i], 0, sizeof(struct BufferControl));
for (i = 0; i < priv->tx_max_out; i++)
priv->mpt_txfidx[++priv->mpt_txfidx_tail] = i;
}

dlprintk((KERN_INFO MYNAM "@lo: Finished initializing SendCtl\n"));

Expand All @@ -428,15 +426,13 @@ mpt_lan_open(struct net_device *dev)
goto out_SendCtl;
priv->mpt_rxfidx_tail = -1;

priv->RcvCtl = kmalloc(priv->max_buckets_out *
sizeof(struct BufferControl),
priv->RcvCtl = kcalloc(priv->max_buckets_out,
sizeof(struct BufferControl),
GFP_KERNEL);
if (priv->RcvCtl == NULL)
goto out_mpt_rxfidx;
for (i = 0; i < priv->max_buckets_out; i++) {
memset(&priv->RcvCtl[i], 0, sizeof(struct BufferControl));
for (i = 0; i < priv->max_buckets_out; i++)
priv->mpt_rxfidx[++priv->mpt_rxfidx_tail] = i;
}

/**/ dlprintk((KERN_INFO MYNAM "/lo: txfidx contains - "));
/**/ for (i = 0; i < priv->tx_max_out; i++)
Expand Down
35 changes: 11 additions & 24 deletions drivers/message/fusion/mptsas.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -258,13 +258,12 @@ mptsas_slave_alloc(struct scsi_device *sdev)
struct scsi_target *starget;
int i;

vdev = kmalloc(sizeof(VirtDevice), GFP_KERNEL);
vdev = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
if (!vdev) {
printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n",
hd->ioc->name, sizeof(VirtDevice));
return -ENOMEM;
}
memset(vdev, 0, sizeof(VirtDevice));
vdev->ioc_id = hd->ioc->id;
sdev->hostdata = vdev;
starget = scsi_target(sdev);
Expand Down Expand Up @@ -1044,10 +1043,9 @@ mptsas_probe_hba_phys(MPT_ADAPTER *ioc, int *index)
u32 handle = 0xFFFF;
int error = -ENOMEM, i;

port_info = kmalloc(sizeof(*port_info), GFP_KERNEL);
port_info = kzalloc(sizeof(*port_info), GFP_KERNEL);
if (!port_info)
goto out;
memset(port_info, 0, sizeof(*port_info));

error = mptsas_sas_io_unit_pg0(ioc, port_info);
if (error)
Expand Down Expand Up @@ -1096,10 +1094,9 @@ mptsas_probe_expander_phys(MPT_ADAPTER *ioc, u32 *handle, int *index)
struct mptsas_portinfo *port_info, *p;
int error = -ENOMEM, i, j;

port_info = kmalloc(sizeof(*port_info), GFP_KERNEL);
port_info = kzalloc(sizeof(*port_info), GFP_KERNEL);
if (!port_info)
goto out;
memset(port_info, 0, sizeof(*port_info));

error = mptsas_sas_expander_pg0(ioc, port_info,
(MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE <<
Expand Down Expand Up @@ -1390,11 +1387,10 @@ mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
MPT_SCSI_HOST *hd;
MPT_ADAPTER *ioc;
unsigned long flags;
int sz, ii;
int ii;
int numSGE = 0;
int scale;
int ioc_cap;
u8 *mem;
int error=0;
int r;

Expand Down Expand Up @@ -1518,36 +1514,27 @@ mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
/* SCSI needs scsi_cmnd lookup table!
* (with size equal to req_depth*PtrSz!)
*/
sz = ioc->req_depth * sizeof(void *);
mem = kmalloc(sz, GFP_ATOMIC);
if (mem == NULL) {
hd->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC);
if (!hd->ScsiLookup) {
error = -ENOMEM;
goto out_mptsas_probe;
}

memset(mem, 0, sz);
hd->ScsiLookup = (struct scsi_cmnd **) mem;

dprintk((MYIOC_s_INFO_FMT "ScsiLookup @ %p, sz=%d\n",
ioc->name, hd->ScsiLookup, sz));
dprintk((MYIOC_s_INFO_FMT "ScsiLookup @ %p\n",
ioc->name, hd->ScsiLookup));

/* Allocate memory for the device structures.
* A non-Null pointer at an offset
* indicates a device exists.
* max_id = 1 + maximum id (hosts.h)
*/
sz = sh->max_id * sizeof(void *);
mem = kmalloc(sz, GFP_ATOMIC);
if (mem == NULL) {
hd->Targets = kcalloc(sh->max_id, sizeof(void *), GFP_ATOMIC);
if (!hd->Targets) {
error = -ENOMEM;
goto out_mptsas_probe;
}

memset(mem, 0, sz);
hd->Targets = (VirtTarget **) mem;

dprintk((KERN_INFO
" vtarget @ %p, sz=%d\n", hd->Targets, sz));
dprintk((KERN_INFO " vtarget @ %p\n", hd->Targets));

/* Clear the TM flags
*/
Expand Down
6 changes: 2 additions & 4 deletions drivers/message/fusion/mptscsih.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -2162,10 +2162,9 @@ mptscsih_target_alloc(struct scsi_target *starget)
{
VirtTarget *vtarget;

vtarget = kmalloc(sizeof(VirtTarget), GFP_KERNEL);
vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL);
if (!vtarget)
return -ENOMEM;
memset(vtarget, 0, sizeof(VirtTarget));
starget->hostdata = vtarget;
return 0;
}
Expand All @@ -2185,14 +2184,13 @@ mptscsih_slave_alloc(struct scsi_device *sdev)
VirtDevice *vdev;
struct scsi_target *starget;

vdev = kmalloc(sizeof(VirtDevice), GFP_KERNEL);
vdev = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
if (!vdev) {
printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n",
hd->ioc->name, sizeof(VirtDevice));
return -ENOMEM;
}

memset(vdev, 0, sizeof(VirtDevice));
vdev->ioc_id = hd->ioc->id;
vdev->target_id = sdev->id;
vdev->bus_id = sdev->channel;
Expand Down
26 changes: 8 additions & 18 deletions drivers/message/fusion/mptspi.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -158,11 +158,10 @@ mptspi_probe(struct pci_dev *pdev, const struct pci_device_id *id)
MPT_SCSI_HOST *hd;
MPT_ADAPTER *ioc;
unsigned long flags;
int sz, ii;
int ii;
int numSGE = 0;
int scale;
int ioc_cap;
u8 *mem;
int error=0;
int r;

Expand Down Expand Up @@ -288,36 +287,27 @@ mptspi_probe(struct pci_dev *pdev, const struct pci_device_id *id)
/* SCSI needs scsi_cmnd lookup table!
* (with size equal to req_depth*PtrSz!)
*/
sz = ioc->req_depth * sizeof(void *);
mem = kmalloc(sz, GFP_ATOMIC);
if (mem == NULL) {
hd->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC);
if (!hd->ScsiLookup) {
error = -ENOMEM;
goto out_mptspi_probe;
}

memset(mem, 0, sz);
hd->ScsiLookup = (struct scsi_cmnd **) mem;

dprintk((MYIOC_s_INFO_FMT "ScsiLookup @ %p, sz=%d\n",
ioc->name, hd->ScsiLookup, sz));
dprintk((MYIOC_s_INFO_FMT "ScsiLookup @ %p\n",
ioc->name, hd->ScsiLookup));

/* Allocate memory for the device structures.
* A non-Null pointer at an offset
* indicates a device exists.
* max_id = 1 + maximum id (hosts.h)
*/
sz = sh->max_id * sizeof(void *);
mem = kmalloc(sz, GFP_ATOMIC);
if (mem == NULL) {
hd->Targets = kcalloc(sh->max_id, sizeof(void *), GFP_ATOMIC);
if (!hd->Targets) {
error = -ENOMEM;
goto out_mptspi_probe;
}

memset(mem, 0, sz);
hd->Targets = (VirtTarget **) mem;

dprintk((KERN_INFO
" vdev @ %p, sz=%d\n", hd->Targets, sz));
dprintk((KERN_INFO " vdev @ %p\n", hd->Targets));

/* Clear the TM flags
*/
Expand Down

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