[MTD] replace kmalloc+memset with kzalloc

Signed-off-by: Yan Burman <yan_952@hotmail.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>

4 files changed, 10 insertions, 22 deletions

diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index 401c6a294baa..6d917a4daa9d 100644
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -295,10 +295,9 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size)
         if (!devname)
                 return NULL;
 
-        dev = kmalloc(sizeof(struct block2mtd_dev), GFP_KERNEL);
+        dev = kzalloc(sizeof(struct block2mtd_dev), GFP_KERNEL);
         if (!dev)
                 return NULL;
-        memset(dev, 0, sizeof(*dev));
 
         /* Get a handle on the device */
         bdev = open_bdev_excl(devname, O_RDWR, NULL);
diff --git a/drivers/mtd/devices/ms02-nv.c b/drivers/mtd/devices/ms02-nv.c
index 08dfb899b272..9cff119a2024 100644
--- a/drivers/mtd/devices/ms02-nv.c
+++ b/drivers/mtd/devices/ms02-nv.c
@@ -131,11 +131,10 @@ static int __init ms02nv_init_one(ulong addr)
         int ret = -ENODEV;
 
         /* The module decodes 8MiB of address space. */
-        mod_res = kmalloc(sizeof(*mod_res), GFP_KERNEL);
+        mod_res = kzalloc(sizeof(*mod_res), GFP_KERNEL);
         if (!mod_res)
                 return -ENOMEM;
 
-        memset(mod_res, 0, sizeof(*mod_res));
         mod_res->name = ms02nv_name;
         mod_res->start = addr;
         mod_res->end = addr + MS02NV_SLOT_SIZE - 1;
@@ -153,24 +152,21 @@ static int __init ms02nv_init_one(ulong addr)
         }
 
         ret = -ENOMEM;
-        mtd = kmalloc(sizeof(*mtd), GFP_KERNEL);
+        mtd = kzalloc(sizeof(*mtd), GFP_KERNEL);
         if (!mtd)
                 goto err_out_mod_res_rel;
-        memset(mtd, 0, sizeof(*mtd));
-        mp = kmalloc(sizeof(*mp), GFP_KERNEL);
+        mp = kzalloc(sizeof(*mp), GFP_KERNEL);
         if (!mp)
                 goto err_out_mtd;
-        memset(mp, 0, sizeof(*mp));
 
         mtd->priv = mp;
         mp->resource.module = mod_res;
 
         /* Firmware's diagnostic NVRAM area. */
-        diag_res = kmalloc(sizeof(*diag_res), GFP_KERNEL);
+        diag_res = kzalloc(sizeof(*diag_res), GFP_KERNEL);
         if (!diag_res)
                 goto err_out_mp;
 
-        memset(diag_res, 0, sizeof(*diag_res));
         diag_res->name = ms02nv_res_diag_ram;
         diag_res->start = addr;
         diag_res->end = addr + MS02NV_RAM - 1;
@@ -180,11 +176,10 @@ static int __init ms02nv_init_one(ulong addr)
         mp->resource.diag_ram = diag_res;
 
         /* User-available general-purpose NVRAM area. */
-        user_res = kmalloc(sizeof(*user_res), GFP_KERNEL);
+        user_res = kzalloc(sizeof(*user_res), GFP_KERNEL);
         if (!user_res)
                 goto err_out_diag_res;
 
-        memset(user_res, 0, sizeof(*user_res));
         user_res->name = ms02nv_res_user_ram;
         user_res->start = addr + MS02NV_RAM;
         user_res->end = addr + size - 1;
@@ -194,11 +189,10 @@ static int __init ms02nv_init_one(ulong addr)
         mp->resource.user_ram = user_res;
 
         /* Control and status register. */
-        csr_res = kmalloc(sizeof(*csr_res), GFP_KERNEL);
+        csr_res = kzalloc(sizeof(*csr_res), GFP_KERNEL);
         if (!csr_res)
                 goto err_out_user_res;
 
-        memset(csr_res, 0, sizeof(*csr_res));
         csr_res->name = ms02nv_res_csr;
         csr_res->start = addr + MS02NV_CSR;
         csr_res->end = addr + MS02NV_CSR + 3;
diff --git a/drivers/mtd/devices/phram.c b/drivers/mtd/devices/phram.c
index 6c7337f9ebbb..56cc1ca7ffd5 100644
--- a/drivers/mtd/devices/phram.c
+++ b/drivers/mtd/devices/phram.c
@@ -126,12 +126,10 @@ static int register_device(char *name, unsigned long start, unsigned long len)
         struct phram_mtd_list *new;
         int ret = -ENOMEM;
 
-        new = kmalloc(sizeof(*new), GFP_KERNEL);
+        new = kzalloc(sizeof(*new), GFP_KERNEL);
         if (!new)
                 goto out0;
 
-        memset(new, 0, sizeof(*new));
-
         ret = -EIO;
         new->mtd.priv = ioremap(start, len);
         if (!new->mtd.priv) {
diff --git a/drivers/mtd/devices/slram.c b/drivers/mtd/devices/slram.c
index 542a0c009006..5f49248a4856 100644
--- a/drivers/mtd/devices/slram.c
+++ b/drivers/mtd/devices/slram.c
@@ -168,19 +168,16 @@ static int register_device(char *name, unsigned long start, unsigned long length
                 E("slram: Cannot allocate new MTD device.\n");
                 return(-ENOMEM);
         }
-        (*curmtd)->mtdinfo = kmalloc(sizeof(struct mtd_info), GFP_KERNEL);
+        (*curmtd)->mtdinfo = kzalloc(sizeof(struct mtd_info), GFP_KERNEL);
         (*curmtd)->next = NULL;
 
         if ((*curmtd)->mtdinfo) {
-                memset((char *)(*curmtd)->mtdinfo, 0, sizeof(struct mtd_info));
                 (*curmtd)->mtdinfo->priv =
-                        kmalloc(sizeof(slram_priv_t), GFP_KERNEL);
+                        kzalloc(sizeof(slram_priv_t), GFP_KERNEL);
 
                 if (!(*curmtd)->mtdinfo->priv) {
                         kfree((*curmtd)->mtdinfo);
                         (*curmtd)->mtdinfo = NULL;
-                } else {
-                        memset((*curmtd)->mtdinfo->priv,0,sizeof(slram_priv_t));
                 }
         }