diff options
| author | Christophe Kerello <christophe.kerello@foss.st.com> | 2022-06-16 09:39:43 +0200 |
|---|---|---|
| committer | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2022-06-27 07:58:48 +0200 |
| commit | a315011bd3c237660436e0c796743d61acf4a7b6 (patch) | |
| tree | 48a269ede9a42bbdd4e8d3666f4d21ee8424d5d1 | |
| parent | 9beb813521d23d7f957fc80c6603810893c8ee53 (diff) | |
nandflipbits: fix corrupted oob
If a bit is flipped in block 1 or higher, the OOB is corrupted with the
OOB of block 0. Mtd_read_oob API has to take into account the block number
to be able to calculate the right offset.
Fixes: 9fc8db29cf62 ("mtd-utils: Add nandflipbits tool")
Signed-off-by: Christophe Kerello <christophe.kerello@foss.st.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
| -rw-r--r-- | nand-utils/nandflipbits.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/nand-utils/nandflipbits.c b/nand-utils/nandflipbits.c index aa6850f..cd66d0b 100644 --- a/nand-utils/nandflipbits.c +++ b/nand-utils/nandflipbits.c @@ -249,7 +249,9 @@ int main(int argc, char **argv) bufoffs += mtd.min_io_size; - ret = mtd_read_oob(mtd_desc, &mtd, fd, blkoffs, + ret = mtd_read_oob(mtd_desc, &mtd, fd, + bit_to_flip->block * mtd.eb_size + + blkoffs, mtd.oob_size, buffer + bufoffs); if (ret) { fprintf(stderr, "MTD OOB read failure\n"); |