diff options
| author | T Karthik Reddy <t.karthik.reddy@xilinx.com> | 2020-08-31 14:27:37 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2020-09-11 17:13:56 -0400 |
| commit | 1e2c5bb9e7f9fdad05a5b1f36c44da5cc430b8a9 (patch) | |
| tree | 35d09c59d365123c5e8072c33c0ee19e45dd2a28 /drivers/mtd | |
| parent | 142775a52bc97d5273922970b8a9cc9f95091359 (diff) | |
mtd: nand: Fix nand write error with bad block addresses above 32-bit
Nand writes should skip the bad blocks with "nand write" command.
In case of bad blocks with above 32-bit address, nand_block_isbad()
returns false due to truncated bad block address.
In below code segment,
if (nand_block_isbad(mtd, offset & ~(mtd->erasesize - 1)))
offset is 64-bit and mtd->erasesize is 32-bit, hence the truncation is
happening. Cast 'mtd->erasesize' with loff_t to fix this issue.
Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/raw/nand_util.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/mtd/nand/raw/nand_util.c b/drivers/mtd/nand/raw/nand_util.c index 5b74ef0dfd..00c3c6c412 100644 --- a/drivers/mtd/nand/raw/nand_util.c +++ b/drivers/mtd/nand/raw/nand_util.c @@ -635,14 +635,14 @@ int nand_write_skip_bad(struct mtd_info *mtd, loff_t offset, size_t *length, } while (left_to_write > 0) { + loff_t block_start = offset & ~(loff_t)(mtd->erasesize - 1); size_t block_offset = offset & (mtd->erasesize - 1); size_t write_size, truncated_write_size; WATCHDOG_RESET(); - if (nand_block_isbad(mtd, offset & ~(mtd->erasesize - 1))) { - printf("Skip bad block 0x%08llx\n", - offset & ~(mtd->erasesize - 1)); + if (nand_block_isbad(mtd, block_start)) { + printf("Skip bad block 0x%08llx\n", block_start); offset += mtd->erasesize - block_offset; continue; } |