s390/diag: Return errno's from diag204

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Return different errno's from diag204 to allow users to handle them
accordingly. Instead of returning -1 regardless of the failing
condition, return -EINVAL on invalid memory address and -EOPNOTSUPP when
diag instruction fails.

Acked-by: Heiko Carstens <hca@linux.ibm.com>
Reviewed-by: Tobias Huschle <huschle@linux.ibm.com>
Signed-off-by: Mete Durlu <meted@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

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Mete Durlu 2024-07-04 14:10:05 +02:00 • committed by Vasily Gorbik

parent 7455a33179

commit bb9be93acb

1 changed files with 3 additions and 3 deletions

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arch/s390/kernel/diag.c

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