s390/kexec: change return value of machine_kexec_prepare

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Returning -ENOSYS on kexec_load() is a bad idea since user space cannot
tell if the system call is not implmented or if it failed.
Use -EOPNOTSUPP in case somebody tries a kexec_load on a NSS image based
kernel instead.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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Heiko Carstens 2012-09-06 15:19:08 +02:00 • committed by Martin Schwidefsky

parent a8f6db4d29

commit d978386e79

1 changed files with 1 additions and 1 deletions

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arch/s390/kernel/machine_kexec.c

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