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mtd: nand: Fix memory allocation in nanddev_bbt_init()

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Fix the size of the buffer allocated to store the in-memory BBT.
This bug was previously hidden by a different bug, that was fixed in
commit d098093ba0 ("mtd: nand: Fix nanddev_neraseblocks()").

Fixes: 9c3736a3de ("mtd: nand: Add core infrastructure to deal with NAND devices")
Cc: <stable@vger.kernel.org>
Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
This commit is contained in:
Frieder Schrempf 2018-11-27 07:44:52 +00:00 committed by Boris Brezillon
parent dc92843159
commit 40b412897c
1 changed files with 2 additions and 1 deletions
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3
drivers/mtd/nand/bbt.c
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@ -27,7 +27,8 @@ int nanddev_bbt_init(struct nand_device *nand)
unsigned int nwords = DIV_ROUND_UP(nblocks * bits_per_block,
BITS_PER_LONG);
nand->bbt.cache = kzalloc(nwords, GFP_KERNEL);
nand->bbt.cache = kcalloc(nwords, sizeof(*nand->bbt.cache),
GFP_KERNEL);
if (!nand->bbt.cache)
return -ENOMEM;