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