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path: root/drivers/mtd/nand
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Diffstat (limited to 'drivers/mtd/nand')
-rw-r--r--drivers/mtd/nand/diskonchip.c3
-rw-r--r--drivers/mtd/nand/nand_bbt.c6
-rw-r--r--drivers/mtd/nand/nandsim.c4
3 files changed, 4 insertions, 9 deletions
diff --git a/drivers/mtd/nand/diskonchip.c b/drivers/mtd/nand/diskonchip.c
index 6107f532855..12608c13cce 100644
--- a/drivers/mtd/nand/diskonchip.c
+++ b/drivers/mtd/nand/diskonchip.c
@@ -1635,13 +1635,12 @@ static int __init doc_probe(unsigned long physadr)
len = sizeof(struct mtd_info) +
sizeof(struct nand_chip) + sizeof(struct doc_priv) + (2 * sizeof(struct nand_bbt_descr));
- mtd = kmalloc(len, GFP_KERNEL);
+ mtd = kzalloc(len, GFP_KERNEL);
if (!mtd) {
printk(KERN_ERR "DiskOnChip kmalloc (%d bytes) failed!\n", len);
ret = -ENOMEM;
goto fail;
}
- memset(mtd, 0, len);
nand = (struct nand_chip *) (mtd + 1);
doc = (struct doc_priv *) (nand + 1);
diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c
index 4e74fe9af29..5e121ceaa59 100644
--- a/drivers/mtd/nand/nand_bbt.c
+++ b/drivers/mtd/nand/nand_bbt.c
@@ -960,14 +960,12 @@ int nand_scan_bbt(struct mtd_info *mtd, struct nand_bbt_descr *bd)
struct nand_bbt_descr *md = this->bbt_md;
len = mtd->size >> (this->bbt_erase_shift + 2);
- /* Allocate memory (2bit per block) */
- this->bbt = kmalloc(len, GFP_KERNEL);
+ /* Allocate memory (2bit per block) and clear the memory bad block table */
+ this->bbt = kzalloc(len, GFP_KERNEL);
if (!this->bbt) {
printk(KERN_ERR "nand_scan_bbt: Out of memory\n");
return -ENOMEM;
}
- /* Clear the memory bad block table */
- memset(this->bbt, 0x00, len);
/* If no primary table decriptor is given, scan the device
* to build a memory based bad block table
diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index abebcab4763..3d39451ae8f 100644
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -1511,14 +1511,12 @@ static int __init ns_init_module(void)
}
/* Allocate and initialize mtd_info, nand_chip and nandsim structures */
- nsmtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip)
+ nsmtd = kzalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip)
+ sizeof(struct nandsim), GFP_KERNEL);
if (!nsmtd) {
NS_ERR("unable to allocate core structures.\n");
return -ENOMEM;
}
- memset(nsmtd, 0, sizeof(struct mtd_info) + sizeof(struct nand_chip) +
- sizeof(struct nandsim));
chip = (struct nand_chip *)(nsmtd + 1);
nsmtd->priv = (void *)chip;
nand = (struct nandsim *)(chip + 1);