powerpc/signal32: Use fault_in_pages_readable() to prefault user context

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Use fault_in_pages_readable() to prefault user context
instead of open coding

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reviewed-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Christophe Leroy 2018-04-24 18:04:25 +02:00 • committed by Michael Ellerman

parent d04f11d271

commit 56b04d568f

1 changed files with 5 additions and 8 deletions

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arch/powerpc/kernel/signal_32.c

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