[PATCH] 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
---
drivers/mtd/nand/raw/nand.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mtd/nand/raw/nand.c b/drivers/mtd/nand/raw/nand.c index eacd99c4e275..d31bb580c46a 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;
On Thu, Nov 2, 2023 at 12:27 PM Dario Binacchi dario.binacchi@amarulasolutions.com wrote:
The patch checks that the "mtd" parameter is accessible before proceeding.
Signed-off-by: Dario Binacchi dario.binacchi@amarulasolutions.com
drivers/mtd/nand/raw/nand.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mtd/nand/raw/nand.c b/drivers/mtd/nand/raw/nand.c index eacd99c4e275..d31bb580c46a 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;-- 2.42.0
Reviewed-by: Michael Trimarchi michael@amarulasolutions.com
participants (2)
-
Dario Binacchi -
Michael Nazzareno Trimarchi