[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 8e515797de6a..82bd2f10770f 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 afee470de924..6fa9a0a5c8db 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 6f6fc977cb39..b9561d300516 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 e1970f83f14a..bc892e69b4f7 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 ee0a4e42e4f0..d7a756d5135c 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 04e07e5da0c1..84e7ee2c086f 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 1773103354be..4ad33e41b008 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 75fa3104a43a..e657559bea93 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 a49da6b73ecf..47b56203f47e 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;