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mtd: rawnand: Add a check in of_get_nand_secure_regions()

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Check for whether of_property_count_elems_of_size() returns a negative
error code.

Fixes: 13b8976827 ("mtd: rawnand: Add support for secure regions in NAND memory")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/YMtQFXE0F1w7mUh+@mwanda
This commit is contained in:
Dan Carpenter 2021-06-17 16:37:25 +03:00 committed by Miquel Raynal
parent 2b6d2833cd
commit 14f97f0b8e
1 changed files with 2 additions and 2 deletions
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4
drivers/mtd/nand/raw/nand_base.c
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@ -5231,8 +5231,8 @@ static int of_get_nand_secure_regions(struct nand_chip *chip)
int nr_elem, i, j;
nr_elem = of_property_count_elems_of_size(dn, "secure-regions", sizeof(u64));
if (!nr_elem)
return 0;
if (nr_elem <= 0)
return nr_elem;
chip->nr_secure_regions = nr_elem / 2;
chip->secure_regions = kcalloc(chip->nr_secure_regions, sizeof(*chip->secure_regions),