Commit 14f97f0b authored by Dan Carpenter's avatar Dan Carpenter Committed by Miquel Raynal
Browse files

mtd: rawnand: Add a check in of_get_nand_secure_regions() 



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

Fixes: 13b89768 ("mtd: rawnand: Add support for secure regions in NAND memory")
Signed-off-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: default avatarManivannan Sadhasivam <mani@kernel.org>
Signed-off-by: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/YMtQFXE0F1w7mUh+@mwanda
parent 2b6d2833

drivers/mtd/nand/raw/nand_base.c

+2 −2
Original line number Diff line number Diff line
@@ -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),