s390/mm,fault: replace WARN_ON_ONCE() with unreachable()

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do_secure_storage_access() contains a switch statements which handles
all possible return values from get_fault_type(). Therefore remove the
pointless default case error handling and replace it with unreachable().

Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

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Heiko Carstens 2023-10-12 09:40:39 +02:00 • committed by Vasily Gorbik

parent 5c845de331

commit ae626f6863

1 changed files with 1 additions and 2 deletions

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arch/s390/mm/fault.c

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