[SPARC64]: Replace kmalloc+memset with kzalloc

Replace kmalloc+memset with kzalloc

Signed-off-by: Yan Burman <burman.yan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 11 deletions

diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c
index 03ad4c06758e..6b04794b7a97 100644
--- a/arch/sparc64/kernel/pci_sun4v.c
+++ b/arch/sparc64/kernel/pci_sun4v.c
@@ -798,7 +798,7 @@ static struct pci_ops pci_sun4v_ops = {
 static void pbm_scan_bus(struct pci_controller_info *p,
                          struct pci_pbm_info *pbm)
 {
-        struct pcidev_cookie *cookie = kmalloc(sizeof(*cookie), GFP_KERNEL);
+        struct pcidev_cookie *cookie = kzalloc(sizeof(*cookie), GFP_KERNEL);
 
         if (!cookie) {
                 prom_printf("%s: Critical allocation failure.\n", pbm->name);
@@ -806,7 +806,6 @@ static void pbm_scan_bus(struct pci_controller_info *p,
         }
 
         /* All we care about is the PBM. */
-        memset(cookie, 0, sizeof(*cookie));
         cookie->pbm = pbm;
 
         pbm->pci_bus = pci_scan_bus(pbm->pci_first_busno, p->pci_ops, pbm);
@@ -1048,12 +1047,11 @@ static void pci_sun4v_iommu_init(struct pci_pbm_info *pbm)
         /* Allocate and initialize the free area map.  */
         sz = num_tsb_entries / 8;
         sz = (sz + 7UL) & ~7UL;
-        iommu->arena.map = kmalloc(sz, GFP_KERNEL);
+        iommu->arena.map = kzalloc(sz, GFP_KERNEL);
         if (!iommu->arena.map) {
                 prom_printf("PCI_IOMMU: Error, kmalloc(arena.map) failed.\n");
                 prom_halt();
         }
-        memset(iommu->arena.map, 0, sz);
         iommu->arena.limit = num_tsb_entries;
 
         sz = probe_existing_entries(pbm, iommu);
@@ -1164,24 +1162,20 @@ void sun4v_pci_init(struct device_node *dp, char *model_name)
                 per_cpu(pci_iommu_batch, i).pglist = (u64 *) page;
         }
 
-        p = kmalloc(sizeof(struct pci_controller_info), GFP_ATOMIC);
+        p = kzalloc(sizeof(struct pci_controller_info), GFP_ATOMIC);
         if (!p)
                 goto fatal_memory_error;
 
-        memset(p, 0, sizeof(*p));
-
-        iommu = kmalloc(sizeof(struct pci_iommu), GFP_ATOMIC);
+        iommu = kzalloc(sizeof(struct pci_iommu), GFP_ATOMIC);
         if (!iommu)
                 goto fatal_memory_error;
 
-        memset(iommu, 0, sizeof(*iommu));
         p->pbm_A.iommu = iommu;
 
-        iommu = kmalloc(sizeof(struct pci_iommu), GFP_ATOMIC);
+        iommu = kzalloc(sizeof(struct pci_iommu), GFP_ATOMIC);
         if (!iommu)
                 goto fatal_memory_error;
 
-        memset(iommu, 0, sizeof(*iommu));
         p->pbm_B.iommu = iommu;
 
         p->next = pci_controller_root;