[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>

4 files changed, 10 insertions, 24 deletions

diff --git a/arch/sparc64/kernel/chmc.c b/arch/sparc64/kernel/chmc.c
index 259f37e516f5..9699abeb9907 100644
--- a/arch/sparc64/kernel/chmc.c
+++ b/arch/sparc64/kernel/chmc.c
@@ -341,7 +341,7 @@ static void fetch_decode_regs(struct mctrl_info *mp)
 
 static int init_one_mctrl(struct device_node *dp)
 {
-        struct mctrl_info *mp = kmalloc(sizeof(*mp), GFP_KERNEL);
+        struct mctrl_info *mp = kzalloc(sizeof(*mp), GFP_KERNEL);
         int portid = of_getintprop_default(dp, "portid", -1);
         struct linux_prom64_registers *regs;
         void *pval;
@@ -349,7 +349,6 @@ static int init_one_mctrl(struct device_node *dp)
 
         if (!mp)
                 return -1;
-        memset(mp, 0, sizeof(*mp));
         if (portid == -1)
                 goto fail;
 
diff --git a/arch/sparc64/kernel/isa.c b/arch/sparc64/kernel/isa.c
index f028e68b23f2..ad1c4f55420f 100644
--- a/arch/sparc64/kernel/isa.c
+++ b/arch/sparc64/kernel/isa.c
@@ -72,14 +72,12 @@ static void __init isa_fill_children(struct sparc_isa_device *parent_isa_dev)
                 struct linux_prom_registers *regs;
                 struct sparc_isa_device *isa_dev;
 
-                isa_dev = kmalloc(sizeof(*isa_dev), GFP_KERNEL);
+                isa_dev = kzalloc(sizeof(*isa_dev), GFP_KERNEL);
                 if (!isa_dev) {
                         fatal_err("cannot allocate child isa_dev");
                         prom_halt();
                 }
 
-                memset(isa_dev, 0, sizeof(*isa_dev));
-
                 /* Link it in to parent. */
                 isa_dev->next = parent_isa_dev->child;
                 parent_isa_dev->child = isa_dev;
@@ -104,14 +102,12 @@ static void __init isa_fill_devices(struct sparc_isa_bridge *isa_br)
                 struct linux_prom_registers *regs;
                 struct sparc_isa_device *isa_dev;
 
-                isa_dev = kmalloc(sizeof(*isa_dev), GFP_KERNEL);
+                isa_dev = kzalloc(sizeof(*isa_dev), GFP_KERNEL);
                 if (!isa_dev) {
                         printk(KERN_DEBUG "ISA: cannot allocate isa_dev");
                         return;
                 }
 
-                memset(isa_dev, 0, sizeof(*isa_dev));
-
                 isa_dev->ofdev.node = dp;
                 isa_dev->ofdev.dev.parent = &isa_br->ofdev.dev;
                 isa_dev->ofdev.dev.bus = &isa_bus_type;
@@ -180,14 +176,12 @@ void __init isa_init(void)
                 pbm = pdev_cookie->pbm;
                 dp = pdev_cookie->prom_node;
 
-                isa_br = kmalloc(sizeof(*isa_br), GFP_KERNEL);
+                isa_br = kzalloc(sizeof(*isa_br), GFP_KERNEL);
                 if (!isa_br) {
                         printk(KERN_DEBUG "isa: cannot allocate sparc_isa_bridge");
                         return;
                 }
 
-                memset(isa_br, 0, sizeof(*isa_br));
-
                 isa_br->ofdev.node = dp;
                 isa_br->ofdev.dev.parent = &pdev->dev;
                 isa_br->ofdev.dev.bus = &isa_bus_type;
diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c
index 8cc14fc6b6f1..cec0eceae552 100644
--- a/arch/sparc64/kernel/of_device.c
+++ b/arch/sparc64/kernel/of_device.c
@@ -1007,10 +1007,9 @@ struct of_device* of_platform_device_create(struct device_node *np,
 {
         struct of_device *dev;
 
-        dev = kmalloc(sizeof(*dev), GFP_KERNEL);
+        dev = kzalloc(sizeof(*dev), GFP_KERNEL);
         if (!dev)
                 return NULL;
-        memset(dev, 0, sizeof(*dev));
 
         dev->dev.parent = parent;
         dev->dev.bus = bus;
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;