The array bounds have to be checked before accessing the array element.

Identified by cppcheck.

Fixes: 67ac6ffaeefb ("mtd: nand: davinci: add opportunity to write keystone U-boot image") Signed-off-by: Heinrich Schuchardt xypron.glpk@gmx.de --- drivers/mtd/nand/raw/davinci_nand.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/nand/raw/davinci_nand.c b/drivers/mtd/nand/raw/davinci_nand.c index 33c2f16be8..724bbee752 100644 --- a/drivers/mtd/nand/raw/davinci_nand.c +++ b/drivers/mtd/nand/raw/davinci_nand.c @@ -739,8 +739,8 @@ static void davinci_nand_init(struct nand_chip *nand)

layout = &nand_keystone_rbl_4bit_layout_oobfirst; layout->oobavail = 0; - for (i = 0; layout->oobfree[i].length && - i < ARRAY_SIZE(layout->oobfree); i++) + for (i = 0; i < ARRAY_SIZE(layout->oobfree) && + layout->oobfree[i].length; i++) layout->oobavail += layout->oobfree[i].length;

nand->write_page = nand_davinci_write_page; -- 2.20.1