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| author | Dario Binacchi <dario.binacchi@amarulasolutions.com> | 2023-11-02 12:27:33 +0100 |
|---|---|---|
| committer | Dario Binacchi <dario.binacchi@amarulasolutions.com> | 2024-01-15 08:58:24 +0100 |
| commit | 6b3d175928417f55537fe271df983f7ed52915f3 (patch) | |
| tree | bb7cb176452bdf965d9bfa27e059328f4cb2b5bb /drivers/mtd | |
| parent | 6b37320c7625a7742a6aeac4f9835356b782633c (diff) | |
| download | u-boot-6b3d175928417f55537fe271df983f7ed52915f3.zip u-boot-6b3d175928417f55537fe271df983f7ed52915f3.tar.gz u-boot-6b3d175928417f55537fe271df983f7ed52915f3.tar.bz2 | |
mtd: nand: complete nand_register() arguments check
The patch checks that the "mtd" parameter is accessible before
proceeding.
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Reviewed-by: Michael Trimarchi <michael@amarulasolutions.com>
Link: https://lore.kernel.org/all/20231102112743.57420-1-dario.binacchi@amarulasolutions.com
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/raw/nand.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mtd/nand/raw/nand.c b/drivers/mtd/nand/raw/nand.c index 4c18861..c1a0ebe 100644 --- a/drivers/mtd/nand/raw/nand.c +++ b/drivers/mtd/nand/raw/nand.c @@ -52,7 +52,7 @@ 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; |