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(parent: 3ba055c) | patch
s390/kexec: change return value of machine_kexec_prepare
authorHeiko Carstens <heiko.carstens@de.ibm.com>
Thu, 6 Sep 2012 13:19:08 +0000 (15:19 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Mon, 10 Sep 2012 07:54:34 +0000 (09:54 +0200)
commit9fd4789b47d21f217888a0e0023c95cb72fc53ed
treeb38a53aa2ee069ab83fa9e6a2cfcf1cf7facb9betree | snapshot
parent3ba055c304838a71fe8a205ea41e3a7f980f6d3ecommit | diff
s390/kexec: change return value of machine_kexec_prepare

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>
arch/s390/kernel/machine_kexec.c diff | blob | history
Linux kernel for KaRo TX COM modules