6 files changed, 7 insertions, 14 deletions

diff --git a/arch/alpha/kernel/module.c b/arch/alpha/kernel/module.c
index bd03dc94c72b..026ba9af6d6a 100644
--- a/arch/alpha/kernel/module.c
+++ b/arch/alpha/kernel/module.c
@@ -119,8 +119,7 @@ module_frob_arch_sections(Elf64_Ehdr *hdr, Elf64_Shdr *sechdrs,
         }
 
         nsyms = symtab->sh_size / sizeof(Elf64_Sym);
-        chains = kmalloc(nsyms * sizeof(struct got_entry), GFP_KERNEL);
-        memset(chains, 0, nsyms * sizeof(struct got_entry));
+        chains = kcalloc(nsyms, sizeof(struct got_entry), GFP_KERNEL);
 
         got->sh_size = 0;
         got->sh_addralign = 8;
diff --git a/arch/arm/mach-iop13xx/pci.c b/arch/arm/mach-iop13xx/pci.c
index 9d63d7f260ca..99d94cb1bafd 100644
--- a/arch/arm/mach-iop13xx/pci.c
+++ b/arch/arm/mach-iop13xx/pci.c
@@ -1002,11 +1002,10 @@ int iop13xx_pci_setup(int nr, struct pci_sys_data *sys)
         if (nr > 1)
                 return 0;
 
-        res = kmalloc(sizeof(struct resource) * 2, GFP_KERNEL);
+        res = kcalloc(2, sizeof(struct resource), GFP_KERNEL);
         if (!res)
                 panic("PCI: unable to alloc resources");
 
-        memset(res, 0, sizeof(struct resource) * 2);
 
         /* 'nr' assumptions:
          * ATUX is always 0
diff --git a/arch/blackfin/mm/blackfin_sram.c b/arch/blackfin/mm/blackfin_sram.c
index 16c6169ed01b..b99ea883cd22 100644
--- a/arch/blackfin/mm/blackfin_sram.c
+++ b/arch/blackfin/mm/blackfin_sram.c
@@ -521,10 +521,9 @@ void *sram_alloc_with_lsl(size_t size, unsigned long flags)
         struct sram_list_struct *lsl = NULL;
         struct mm_struct *mm = current->mm;
 
-        lsl = kmalloc(sizeof(struct sram_list_struct), GFP_KERNEL);
+        lsl = kzalloc(sizeof(struct sram_list_struct), GFP_KERNEL);
         if (!lsl)
                 return NULL;
-        memset(lsl, 0, sizeof(*lsl));
 
         if (flags & L1_INST_SRAM)
                 addr = l1_inst_sram_alloc(size);
diff --git a/arch/cris/arch-v32/drivers/pci/dma.c b/arch/cris/arch-v32/drivers/pci/dma.c
index 832fc63504d4..66f9500fbc02 100644
--- a/arch/cris/arch-v32/drivers/pci/dma.c
+++ b/arch/cris/arch-v32/drivers/pci/dma.c
@@ -91,14 +91,12 @@ int dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr,
         if (!mem_base)
                 goto out;
 
-        dev->dma_mem = kmalloc(sizeof(struct dma_coherent_mem), GFP_KERNEL);
+        dev->dma_mem = kzalloc(sizeof(struct dma_coherent_mem), GFP_KERNEL);
         if (!dev->dma_mem)
                 goto out;
-        memset(dev->dma_mem, 0, sizeof(struct dma_coherent_mem));
-        dev->dma_mem->bitmap = kmalloc(bitmap_size, GFP_KERNEL);
+        dev->dma_mem->bitmap = kzalloc(bitmap_size, GFP_KERNEL);
         if (!dev->dma_mem->bitmap)
                 goto free1_out;
-        memset(dev->dma_mem->bitmap, 0, bitmap_size);
 
         dev->dma_mem->virt_base = mem_base;
         dev->dma_mem->device_base = device_addr;
diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c
index c492cee90e0f..6444eaa30a2f 100644
--- a/arch/powerpc/kernel/lparcfg.c
+++ b/arch/powerpc/kernel/lparcfg.c
@@ -248,7 +248,7 @@ static void parse_system_parameter_string(struct seq_file *m)
         } else {
                 int splpar_strlen;
                 int idx, w_idx;
-                char *workbuffer = kmalloc(SPLPAR_MAXLENGTH, GFP_KERNEL);
+                char *workbuffer = kzalloc(SPLPAR_MAXLENGTH, GFP_KERNEL);
                 if (!workbuffer) {
                         printk(KERN_ERR "%s %s kmalloc failure at line %d \n",
                                __FILE__, __FUNCTION__, __LINE__);
@@ -261,7 +261,6 @@ static void parse_system_parameter_string(struct seq_file *m)
                 splpar_strlen = local_buffer[0] * 256 + local_buffer[1];
                 local_buffer += 2;      /* step over strlen value */
 
-                memset(workbuffer, 0, SPLPAR_MAXLENGTH);
                 w_idx = 0;
                 idx = 0;
                 while ((*local_buffer) && (idx < splpar_strlen)) {
diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c
index 9536ed7f247c..8ded4e7dc87e 100644
--- a/arch/powerpc/kernel/of_platform.c
+++ b/arch/powerpc/kernel/of_platform.c
@@ -222,10 +222,9 @@ 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->node = of_node_get(np);
         dev->dma_mask = 0xffffffffUL;