[SCSI] fusion: kzalloc / kcalloc conversion
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>
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index 19fc03e..668a101 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -258,13 +258,12 @@
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);
@@ -1044,10 +1043,9 @@
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)
@@ -1096,10 +1094,9 @@
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 <<
@@ -1390,11 +1387,10 @@
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;
@@ -1518,36 +1514,27 @@
/* 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
*/