Re: [PATCH v2] mm/migrate_device: fix pgtable leak in migrate_vma_insert_huge_pmd_page

[Markus Elfring]

…
> Add a pte_free() call in the unlock_abort error path to release
> the pgtable before returning.Also included before goto abort in the
> folio check path.

See also:
* https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v7.0#n145
* https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/stable-kernel-rules.rst?h=v7.0#n34

Regards,
Markus