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| author | Xiaoming Ni <nixiaoming@huawei.com> | 2020-03-20 11:15:11 +0800 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2020-03-24 23:02:30 +0100 |
| commit | 4e4a9a828af29785fad12ecc11583769e1282024 (patch) | |
| tree | 9b992e2e78e1ce48d37ff070d14caca0cc248a06 /Kbuild | |
| parent | f1ffdbfad00a3c424cadfd307b5bb9c466638532 (diff) | |
| download | linux-4e4a9a828af29785fad12ecc11583769e1282024.tar.bz2 | |
mtd: Fix issue where write_cached_data() fails but write() still returns success
The following sequence is problematic:
mtdblock_flush()
-->write_cached_data()
--->erase_write()
mtdblock: erase of region [0x40000, 0x20000] on "xxx" failed
Problem is: mtdblock_flush() always returns 0. Indeed, even if
write_cached_data() fails and data is not written to the device,
syscall_write() still returns success. Avoid this situation by
actually returning the error coming out of write_cached_data().
Signed-off-by: Xiaoming Ni <nixiaoming@huawei.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/1584674111-101462-1-git-send-email-nixiaoming@huawei.com
Diffstat (limited to 'Kbuild')
0 files changed, 0 insertions, 0 deletions