diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2021-06-17 15:37:25 +0200 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2021-07-16 00:49:15 +0200 |
| commit | 14f97f0b8e2b9950c028d0cb7311ffe26a3cc1c0 (patch) | |
| tree | e1cf0a5b2829c560592e124a07bf3a49c60cd09b /drivers/mtd | |
| parent | mtd: mtd_blkdevs: Initialize rq.limits.discard_granularity (diff) | |
| download | linux-14f97f0b8e2b9950c028d0cb7311ffe26a3cc1c0.tar.xz linux-14f97f0b8e2b9950c028d0cb7311ffe26a3cc1c0.zip | |
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: 13b89768275d ("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
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/raw/nand_base.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c index 57a583149cc0..cbba46432e39 100644 --- a/drivers/mtd/nand/raw/nand_base.c +++ b/drivers/mtd/nand/raw/nand_base.c @@ -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), |