powerpc/audit: Fix syscall_get_arch()

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Commit 770cec16cd ("powerpc/audit: Simplify syscall_get_arch()")
and commit 898a1ef06a ("powerpc/audit: Avoid unneccessary #ifdef
in syscall_get_arguments()")
replaced test_tsk_thread_flag(task, TIF_32BIT)) by is_32bit_task().

But is_32bit_task() applies on current task while be want the test
done on task 'task'

So add a new macro is_tsk_32bit_task() to check any task.

Fixes: 770cec16cd ("powerpc/audit: Simplify syscall_get_arch()")
Fixes: 898a1ef06a ("powerpc/audit: Avoid unneccessary #ifdef in syscall_get_arguments()")
Cc: stable@vger.kernel.org
Reported-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/c55cddb8f65713bf5859ed675d75a50cb37d5995.1642159570.git.christophe.leroy@csgroup.eu

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This commit is contained in:

Christophe Leroy 2022-01-14 11:26:25 +00:00 • committed by Michael Ellerman

parent 3f5f766d5f

commit 252745240b

2 changed files with 4 additions and 2 deletions

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4

arch/powerpc/include/asm/syscall.h

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2

arch/powerpc/include/asm/thread_info.h

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