[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>

1 files changed, 8 insertions, 18 deletions

diff --git a/drivers/message/fusion/mptspi.c b/drivers/message/fusion/mptspi.c
index ce332a6085e5..7dce29277cb7 100644
--- a/drivers/message/fusion/mptspi.c
+++ b/drivers/message/fusion/mptspi.c
@@ -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;
 
@@ -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
          */