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| author | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2019-07-30 23:29:21 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2019-07-31 13:08:07 -0400 |
| commit | 51443f57d868dc622eb9ad367ac7f7a173ed986e (patch) | |
| tree | 430bbea5f437115dd4feda445c1255b39c0dc2a7 /drivers/mtd | |
| parent | 3380d1c131f376b4bd02d08a96e29af24c846601 (diff) | |
| download | u-boot-51443f57d868dc622eb9ad367ac7f7a173ed986e.tar.gz u-boot-51443f57d868dc622eb9ad367ac7f7a173ed986e.tar.xz u-boot-51443f57d868dc622eb9ad367ac7f7a173ed986e.zip | |
nand: davinci: avoid out of bounds array access
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>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/raw/davinci_nand.c | 4 |
1 files 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; |