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4e4a9a828a
linux/drivers/mtd
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Xiaoming Ni 4e4a9a828a 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
2020-03-24 23:02:30 +01:00
..
chips mtd: cfi_cmdset_0002: fix delayed error detection on HyperFlash 2019-11-09 14:43:53 +05:30
devices mtd: phram: fix a double free issue in error path 2020-03-24 23:01:36 +01:00
hyperbus mtd: hyperbus: fix dependency and build error 2019-08-29 14:31:23 +02:00
lpddr mtd: lpddr: Fix a double free in probe() 2020-03-11 14:49:30 +01:00
maps mtd: maps: sa1100-flash: Replace zero-length array with flexible-array member 2020-03-24 23:02:30 +01:00
nand mtd: fix spelling mistake "BlockMultiplerBits" -> "BlockMultiplierBits" 2020-03-11 14:49:30 +01:00
parsers mtd: sharpslpart: Fix unsigned comparison to zero 2020-01-21 20:00:34 +01:00
spi-nor MTD core 2020-01-30 15:46:02 -08:00
tests treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 326 2019-06-05 17:37:06 +02:00
ubi treewide: remove redundant IS_ERR() before error code check 2020-02-04 03:05:27 +00:00
ftl.c
inftlcore.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
inftlmount.c mtd: fix spelling mistake "BlockMultiplerBits" -> "BlockMultiplierBits" 2020-03-11 14:49:30 +01:00
Kconfig mtd: parsers: Move CMDLINE parser 2019-09-15 23:50:50 +02:00
Makefile mtd: parsers: Move CMDLINE parser 2019-09-15 23:50:50 +02:00
mtd_blkdevs.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 102 2019-05-24 17:39:00 +02:00
mtdblock_ro.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 102 2019-05-24 17:39:00 +02:00
mtdblock.c mtd: Fix issue where write_cached_data() fails but write() still returns success 2020-03-24 23:02:30 +01:00
mtdchar.c mtd: implement proper partition handling 2020-03-11 14:49:30 +01:00
mtdconcat.c mtd: concat: Fix a comment referring to an unknown symbol 2020-01-27 17:45:31 +01:00
mtdcore.c mtd: implement proper partition handling 2020-03-11 14:49:30 +01:00
mtdcore.h mtd: Provide fs_context-aware mount_mtd() replacement 2019-09-05 14:34:23 -04:00
mtdoops.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 336 2019-06-05 17:37:07 +02:00
mtdpart.c mtd: implement proper partition handling 2020-03-11 14:49:30 +01:00
mtdsuper.c mtd: Kill mount_mtd() 2019-09-05 14:34:26 -04:00
mtdswap.c mtd: no need to check return value of debugfs_create functions 2019-11-14 10:57:38 +01:00
nftlcore.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
nftlmount.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
rfd_ftl.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
sm_ftl.c mtd: sm_ftl: fix NULL pointer warning 2020-01-09 20:09:55 +01:00
sm_ftl.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
ssfdc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00