[MTD] replace kmalloc+memset with kzalloc

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

10 files changed, 11 insertions, 26 deletions

diff --git a/drivers/mtd/chips/amd_flash.c b/drivers/mtd/chips/amd_flash.c
index 16eaca69fb5a..e7999f15d85a 100644
--- a/drivers/mtd/chips/amd_flash.c
+++ b/drivers/mtd/chips/amd_flash.c
@@ -643,13 +643,12 @@ static struct mtd_info *amd_flash_probe(struct map_info *map)
         int reg_idx;
         int offset;
 
-        mtd = (struct mtd_info*)kmalloc(sizeof(*mtd), GFP_KERNEL);
+        mtd = kzalloc(sizeof(*mtd), GFP_KERNEL);
         if (!mtd) {
                 printk(KERN_WARNING
                        "%s: kmalloc failed for info structure\n", map->name);
                 return NULL;
         }
-        memset(mtd, 0, sizeof(*mtd));
         mtd->priv = map;
 
         memset(&temp, 0, sizeof(temp));
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index e24973636e61..11de54535526 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -337,12 +337,11 @@ struct mtd_info *cfi_cmdset_0001(struct map_info *map, int primary)
         struct mtd_info *mtd;
         int i;
 
-        mtd = kmalloc(sizeof(*mtd), GFP_KERNEL);
+        mtd = kzalloc(sizeof(*mtd), GFP_KERNEL);
         if (!mtd) {
                 printk(KERN_ERR "Failed to allocate memory for MTD device\n");
                 return NULL;
         }
-        memset(mtd, 0, sizeof(*mtd));
         mtd->priv = map;
         mtd->type = MTD_NORFLASH;
 
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index ca0882b5819f..e3acd398fb37 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -257,12 +257,11 @@ struct mtd_info *cfi_cmdset_0002(struct map_info *map, int primary)
         struct mtd_info *mtd;
         int i;
 
-        mtd = kmalloc(sizeof(*mtd), GFP_KERNEL);
+        mtd = kzalloc(sizeof(*mtd), GFP_KERNEL);
         if (!mtd) {
                 printk(KERN_WARNING "Failed to allocate memory for MTD device\n");
                 return NULL;
         }
-        memset(mtd, 0, sizeof(*mtd));
         mtd->priv = map;
         mtd->type = MTD_NORFLASH;
 
diff --git a/drivers/mtd/chips/cfi_cmdset_0020.c b/drivers/mtd/chips/cfi_cmdset_0020.c
index fae70a5db540..d56849f5f107 100644
--- a/drivers/mtd/chips/cfi_cmdset_0020.c
+++ b/drivers/mtd/chips/cfi_cmdset_0020.c
@@ -172,7 +172,7 @@ static struct mtd_info *cfi_staa_setup(struct map_info *map)
         int i,j;
         unsigned long devsize = (1<<cfi->cfiq->DevSize) * cfi->interleave;
 
-        mtd = kmalloc(sizeof(*mtd), GFP_KERNEL);
+        mtd = kzalloc(sizeof(*mtd), GFP_KERNEL);
         //printk(KERN_DEBUG "number of CFI chips: %d\n", cfi->numchips);
 
         if (!mtd) {
@@ -181,7 +181,6 @@ static struct mtd_info *cfi_staa_setup(struct map_info *map)
                 return NULL;
         }
 
-        memset(mtd, 0, sizeof(*mtd));
         mtd->priv = map;
         mtd->type = MTD_NORFLASH;
         mtd->size = devsize * cfi->numchips;
diff --git a/drivers/mtd/chips/gen_probe.c b/drivers/mtd/chips/gen_probe.c
index cdb0f590b40c..77843d560ae4 100644
--- a/drivers/mtd/chips/gen_probe.c
+++ b/drivers/mtd/chips/gen_probe.c
@@ -113,13 +113,12 @@ static struct cfi_private *genprobe_ident_chips(struct map_info *map, struct chi
         }
 
         mapsize = (max_chips + BITS_PER_LONG-1) / BITS_PER_LONG;
-        chip_map = kmalloc(mapsize, GFP_KERNEL);
+        chip_map = kzalloc(mapsize, GFP_KERNEL);
         if (!chip_map) {
                 printk(KERN_WARNING "%s: kmalloc failed for CFI chip map\n", map->name);
                 kfree(cfi.cfiq);
                 return NULL;
         }
-        memset (chip_map, 0, mapsize);
 
         set_bit(0, chip_map); /* Mark first chip valid */
 
diff --git a/drivers/mtd/chips/jedec.c b/drivers/mtd/chips/jedec.c
index 2c3f019197c1..14e57b2bf842 100644
--- a/drivers/mtd/chips/jedec.c
+++ b/drivers/mtd/chips/jedec.c
@@ -116,11 +116,10 @@ static struct mtd_info *jedec_probe(struct map_info *map)
    char Part[200];
    memset(&priv,0,sizeof(priv));
 
-   MTD = kmalloc(sizeof(struct mtd_info) + sizeof(struct jedec_private), GFP_KERNEL);
+   MTD = kzalloc(sizeof(struct mtd_info) + sizeof(struct jedec_private), GFP_KERNEL);
    if (!MTD)
            return NULL;
 
-   memset(MTD, 0, sizeof(struct mtd_info) + sizeof(struct jedec_private));
    priv = (struct jedec_private *)&MTD[1];
 
    my_bank_size = map->size;
diff --git a/drivers/mtd/chips/map_absent.c b/drivers/mtd/chips/map_absent.c
index ac01a949b687..fc478c0f93f5 100644
--- a/drivers/mtd/chips/map_absent.c
+++ b/drivers/mtd/chips/map_absent.c
@@ -47,13 +47,11 @@ static struct mtd_info *map_absent_probe(struct map_info *map)
 {
         struct mtd_info *mtd;
 
-        mtd = kmalloc(sizeof(*mtd), GFP_KERNEL);
+        mtd = kzalloc(sizeof(*mtd), GFP_KERNEL);
         if (!mtd) {
                 return NULL;
         }
 
-        memset(mtd, 0, sizeof(*mtd));
-
         map->fldrv      = &map_absent_chipdrv;
         mtd->priv       = map;
         mtd->name       = map->name;
diff --git a/drivers/mtd/chips/map_ram.c b/drivers/mtd/chips/map_ram.c
index 3a66680abfd0..5cb6d5263661 100644
--- a/drivers/mtd/chips/map_ram.c
+++ b/drivers/mtd/chips/map_ram.c
@@ -55,12 +55,10 @@ static struct mtd_info *map_ram_probe(struct map_info *map)
 #endif
         /* OK. It seems to be RAM. */
 
-        mtd = kmalloc(sizeof(*mtd), GFP_KERNEL);
+        mtd = kzalloc(sizeof(*mtd), GFP_KERNEL);
         if (!mtd)
                 return NULL;
 
-        memset(mtd, 0, sizeof(*mtd));
-
         map->fldrv = &mapram_chipdrv;
         mtd->priv = map;
         mtd->name = map->name;
diff --git a/drivers/mtd/chips/map_rom.c b/drivers/mtd/chips/map_rom.c
index 1b328b1378fd..cb27f855074c 100644
--- a/drivers/mtd/chips/map_rom.c
+++ b/drivers/mtd/chips/map_rom.c
@@ -31,12 +31,10 @@ static struct mtd_info *map_rom_probe(struct map_info *map)
 {
         struct mtd_info *mtd;
 
-        mtd = kmalloc(sizeof(*mtd), GFP_KERNEL);
+        mtd = kzalloc(sizeof(*mtd), GFP_KERNEL);
         if (!mtd)
                 return NULL;
 
-        memset(mtd, 0, sizeof(*mtd));
-
         map->fldrv = &maprom_chipdrv;
         mtd->priv = map;
         mtd->name = map->name;
diff --git a/drivers/mtd/chips/sharp.c b/drivers/mtd/chips/sharp.c
index 967abbecdff9..c9cd3d21ccfa 100644
--- a/drivers/mtd/chips/sharp.c
+++ b/drivers/mtd/chips/sharp.c
@@ -112,18 +112,16 @@ static struct mtd_info *sharp_probe(struct map_info *map)
         struct sharp_info *sharp = NULL;
         int width;
 
-        mtd = kmalloc(sizeof(*mtd), GFP_KERNEL);
+        mtd = kzalloc(sizeof(*mtd), GFP_KERNEL);
         if(!mtd)
                 return NULL;
 
-        sharp = kmalloc(sizeof(*sharp), GFP_KERNEL);
+        sharp = kzalloc(sizeof(*sharp), GFP_KERNEL);
         if(!sharp) {
                 kfree(mtd);
                 return NULL;
         }
 
-        memset(mtd, 0, sizeof(*mtd));
-
         width = sharp_probe_map(map,mtd);
         if(!width){
                 kfree(mtd);
@@ -143,7 +141,6 @@ static struct mtd_info *sharp_probe(struct map_info *map)
         mtd->writesize = 1;
         mtd->name = map->name;
 
-        memset(sharp, 0, sizeof(*sharp));
         sharp->chipshift = 23;
         sharp->numchips = 1;
         sharp->chips[0].start = 0;