imx: nandbcb: Fix potential overflow in fill_dbbt_data

Fix Coverity Issue 9006658. In fill_dbbt_data, an integer overflow occurs,
with the result converted to a wider integer type

Signed-off-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Ye Li 2020-08-02 22:59:43 -07:00 committed by Stefano Babic
parent f637c40dd7
commit 983f5e0391

View File

@ -476,7 +476,7 @@ static int fill_dbbt_data(struct mtd_info *mtd, void *buf, int num_blocks)
u32 *n_bad_blocksp = buf + 0x4;
for (n = 0; n < num_blocks; n++) {
loff_t offset = n * mtd->erasesize;
loff_t offset = (loff_t)n * mtd->erasesize;
if (mtd_block_isbad(mtd, offset)) {
n_bad_blocks++;
*bb = n;