[PATCH v2] ubi: fastmap: fix ubi->fm memory leak

[Markus Elfring]

> The problem is that scan_fast() allocate memory for ubi->fm
> and ubi->fm->e[x], but if the following attach process fails
…

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https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v6.18-rc4#n658

Regards,
Markus