[POWERPC] Replace kmalloc+memset with kzalloc

Replace kmalloc+memset with kzalloc.

Signed-off-by: Yan Burman <burman.yan@gmail.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

9 files changed, 9 insertions, 22 deletions

diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c
index 8e515797de6..82bd2f10770 100644
--- a/arch/powerpc/kernel/ibmebus.c
+++ b/arch/powerpc/kernel/ibmebus.c
@@ -214,11 +214,10 @@ static struct ibmebus_dev* __devinit ibmebus_register_device_node(
 		return NULL;
 	}
 
-	dev = kmalloc(sizeof(struct ibmebus_dev), GFP_KERNEL);
+	dev = kzalloc(sizeof(struct ibmebus_dev), GFP_KERNEL);
 	if (!dev) {
 		return NULL;
 	}
-	memset(dev, 0, sizeof(struct ibmebus_dev));
 
 	dev->ofdev.node = of_node_get(dn);
        
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index afee470de92..6fa9a0a5c8d 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -330,7 +330,7 @@ struct pci_dev *of_create_pci_dev(struct device_node *node,
 	struct pci_dev *dev;
 	const char *type;
 
-	dev = kmalloc(sizeof(struct pci_dev), GFP_KERNEL);
+	dev = kzalloc(sizeof(struct pci_dev), GFP_KERNEL);
 	if (!dev)
 		return NULL;
 	type = get_property(node, "device_type", NULL);
@@ -339,7 +339,6 @@ struct pci_dev *of_create_pci_dev(struct device_node *node,
 
 	DBG("    create device, devfn: %x, type: %s\n", devfn, type);
 
-	memset(dev, 0, sizeof(struct pci_dev));
 	dev->bus = bus;
 	dev->sysdata = node;
 	dev->dev.parent = bus->bridge;
diff --git a/arch/powerpc/kernel/rtas_flash.c b/arch/powerpc/kernel/rtas_flash.c
index 6f6fc977cb3..b9561d30051 100644
--- a/arch/powerpc/kernel/rtas_flash.c
+++ b/arch/powerpc/kernel/rtas_flash.c
@@ -681,14 +681,12 @@ static int initialize_flash_pde_data(const char *rtas_call_name,
 	int *status;
 	int token;
 
-	dp->data = kmalloc(buf_size, GFP_KERNEL);
+	dp->data = kzalloc(buf_size, GFP_KERNEL);
 	if (dp->data == NULL) {
 		remove_flash_pde(dp);
 		return -ENOMEM;
 	}
 
-	memset(dp->data, 0, buf_size);
-
 	/*
 	 * This code assumes that the status int is the first member of the
 	 * struct 
diff --git a/arch/powerpc/kernel/smp-tbsync.c b/arch/powerpc/kernel/smp-tbsync.c
index e1970f83f14..bc892e69b4f 100644
--- a/arch/powerpc/kernel/smp-tbsync.c
+++ b/arch/powerpc/kernel/smp-tbsync.c
@@ -116,8 +116,7 @@ void __devinit smp_generic_give_timebase(void)
 	printk("Synchronizing timebase\n");
 
 	/* if this fails then this kernel won't work anyway... */
-	tbsync = kmalloc( sizeof(*tbsync), GFP_KERNEL );
-	memset( tbsync, 0, sizeof(*tbsync) );
+	tbsync = kzalloc( sizeof(*tbsync), GFP_KERNEL );
 	mb();
 	running = 1;
 
diff --git a/arch/powerpc/platforms/iseries/iommu.c b/arch/powerpc/platforms/iseries/iommu.c
index ee0a4e42e4f..d7a756d5135 100644
--- a/arch/powerpc/platforms/iseries/iommu.c
+++ b/arch/powerpc/platforms/iseries/iommu.c
@@ -115,12 +115,10 @@ void iommu_table_getparms_iSeries(unsigned long busno,
 {
 	struct iommu_table_cb *parms;
 
-	parms = kmalloc(sizeof(*parms), GFP_KERNEL);
+	parms = kzalloc(sizeof(*parms), GFP_KERNEL);
 	if (parms == NULL)
 		panic("PCI_DMA: TCE Table Allocation failed.");
 
-	memset(parms, 0, sizeof(*parms));
-
 	parms->itc_busno = busno;
 	parms->itc_slotno = slotno;
 	parms->itc_virtbus = virtbus;
diff --git a/arch/powerpc/platforms/iseries/viopath.c b/arch/powerpc/platforms/iseries/viopath.c
index 04e07e5da0c..84e7ee2c086 100644
--- a/arch/powerpc/platforms/iseries/viopath.c
+++ b/arch/powerpc/platforms/iseries/viopath.c
@@ -119,10 +119,9 @@ static int proc_viopath_show(struct seq_file *m, void *v)
 	struct device_node *node;
 	const char *sysid;
 
-	buf = kmalloc(HW_PAGE_SIZE, GFP_KERNEL);
+	buf = kzalloc(HW_PAGE_SIZE, GFP_KERNEL);
 	if (!buf)
 		return 0;
-	memset(buf, 0, HW_PAGE_SIZE);
 
 	handle = dma_map_single(iSeries_vio_dev, buf, HW_PAGE_SIZE,
 				DMA_FROM_DEVICE);
diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c
index 1773103354b..4ad33e41b00 100644
--- a/arch/powerpc/platforms/pseries/reconfig.c
+++ b/arch/powerpc/platforms/pseries/reconfig.c
@@ -268,11 +268,10 @@ static char * parse_next_property(char *buf, char *end, char **name, int *length
 static struct property *new_property(const char *name, const int length,
 				     const unsigned char *value, struct property *last)
 {
-	struct property *new = kmalloc(sizeof(*new), GFP_KERNEL);
+	struct property *new = kzalloc(sizeof(*new), GFP_KERNEL);
 
 	if (!new)
 		return NULL;
-	memset(new, 0, sizeof(*new));
 
 	if (!(new->name = kmalloc(strlen(name) + 1, GFP_KERNEL)))
 		goto cleanup;
diff --git a/arch/powerpc/sysdev/qe_lib/ucc_fast.c b/arch/powerpc/sysdev/qe_lib/ucc_fast.c
index 75fa3104a43..e657559bea9 100644
--- a/arch/powerpc/sysdev/qe_lib/ucc_fast.c
+++ b/arch/powerpc/sysdev/qe_lib/ucc_fast.c
@@ -216,14 +216,12 @@ int ucc_fast_init(struct ucc_fast_info * uf_info, struct ucc_fast_private ** ucc
 		return -EINVAL;
 	}
 
-	uccf = (struct ucc_fast_private *)
-		 kmalloc(sizeof(struct ucc_fast_private), GFP_KERNEL);
+	uccf = kzalloc(sizeof(struct ucc_fast_private), GFP_KERNEL);
 	if (!uccf) {
 		uccf_err
 		    ("ucc_fast_init: No memory for UCC slow data structure!");
 		return -ENOMEM;
 	}
-	memset(uccf, 0, sizeof(struct ucc_fast_private));
 
 	/* Fill fast UCC structure */
 	uccf->uf_info = uf_info;
diff --git a/arch/powerpc/sysdev/qe_lib/ucc_slow.c b/arch/powerpc/sysdev/qe_lib/ucc_slow.c
index a49da6b73ec..47b56203f47 100644
--- a/arch/powerpc/sysdev/qe_lib/ucc_slow.c
+++ b/arch/powerpc/sysdev/qe_lib/ucc_slow.c
@@ -168,14 +168,12 @@ int ucc_slow_init(struct ucc_slow_info * us_info, struct ucc_slow_private ** ucc
 		return -EINVAL;
 	}
 
-	uccs = (struct ucc_slow_private *)
-		kmalloc(sizeof(struct ucc_slow_private), GFP_KERNEL);
+	uccs = kzalloc(sizeof(struct ucc_slow_private), GFP_KERNEL);
 	if (!uccs) {
 		uccs_err
 		    ("ucc_slow_init: No memory for UCC slow data structure!");
 		return -ENOMEM;
 	}
-	memset(uccs, 0, sizeof(struct ucc_slow_private));
 
 	/* Fill slow UCC structure */
 	uccs->us_info = us_info;