powerpc/64: __ioremap_at clean up in the error case

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__ioremap_at error handling is wonky, it requires caller to clean up
after it. Implement a helper that does the map and error cleanup and
remove the requirement from the caller.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Nicholas Piggin 2019-06-10 13:08:16 +10:00 • committed by Michael Ellerman

parent 9c9f8fb71f

commit a72808a7ec

1 changed files with 20 additions and 7 deletions

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arch/powerpc/mm/pgtable_64.c

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