[PATCH] JFFS2: fix jffs2 summary datacrc status uninitialized

Tom Rini trini at konsulko.com
Thu Apr 8 01:05:53 CEST 2021


On Tue, Feb 23, 2021 at 12:49:00AM -0300, Wagner Popov dos Santos wrote:

> The function jffs2_1pass_read_inode() was discarding the summary
> inodes and dirent because the value in datacrc flag wasn't
> initialized in function jffs2_sum_process_sum_data().
> 
> This fix initializes the status of all summary records to indicate
> that the CRC needs to be verified when they are loaded.
> 
> Before this fix, the behaviors produced by the undefined value of
> datacrc was:
> - Summary's registries were discarded when 'b->datacrc' is equal
>   as 'CRC_BAD'.
> - Summary's registries were not checked when b->datacrc differs of
>   'CRC_BAD' and 'CRC_UNKNOWN'
> 
> So, almost all of the time the crc just isn't checked, and in some
> cases the registries are discarded.
> 
> Signed-off-by: Wagner Popov dos Santos <wpopov at gmail.com>

Applied to u-boot/master, thanks!

-- 
Tom
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