Re: [PATCH] mtd:Fix issue where write_cached_data() fails but write() still returns success

[Miquel Raynal <miquel.raynal@xxxxxxxxxxx>]

On Fri, 2020-03-20 at 03:15:11 UTC, Xiaoming Ni wrote:
> mtdblock_flush()
> 	-->write_cached_data()
> 		--->erase_write()
> 		     mtdblock: erase of region [0x40000, 0x20000] on "xxx" failed
> 
> Because mtdblock_flush() always returns 0,
> even if write_cached_data() fails and data is not written to the device,
> syscall_write() still returns success
> 
> Signed-off-by: Xiaoming Ni <nixiaoming@xxxxxxxxxx>

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/next, thanks.

Miquel

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