diff options
Diffstat (limited to 'drivers/mtd/nand/raw/nand.c')
| -rw-r--r-- | drivers/mtd/nand/raw/nand.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/mtd/nand/raw/nand.c b/drivers/mtd/nand/raw/nand.c index 4c18861aa25..b591170346d 100644 --- a/drivers/mtd/nand/raw/nand.c +++ b/drivers/mtd/nand/raw/nand.c @@ -41,8 +41,11 @@ int nand_mtd_to_devnum(struct mtd_info *mtd) { int i; + if (!mtd) + return -ENODEV; + for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) { - if (mtd && get_nand_dev_by_index(i) == mtd) + if (get_nand_dev_by_index(i) == mtd) return i; } @@ -52,7 +55,7 @@ int nand_mtd_to_devnum(struct mtd_info *mtd) /* Register an initialized NAND mtd device with the U-Boot NAND command. */ int nand_register(int devnum, struct mtd_info *mtd) { - if (devnum >= CONFIG_SYS_MAX_NAND_DEVICE) + if (!mtd || devnum >= CONFIG_SYS_MAX_NAND_DEVICE) return -EINVAL; nand_info[devnum] = mtd; |