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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2012-09-06 13:19:08 (GMT) |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2012-09-26 13:45:14 (GMT) |
| commit | d978386e79412e45d1aea81eee345dac23d20865 (patch) | |
| tree | 78312cbddb4c84f27582fd2cdbc9e649f2a23954 /arch/s390 | |
| parent | a8f6db4d2990d6866ba5d9c699cfc0835b9d8859 (diff) | |
| download | linux-d978386e79412e45d1aea81eee345dac23d20865.tar.xz | |
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>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/kernel/machine_kexec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/kernel/machine_kexec.c b/arch/s390/kernel/machine_kexec.c index 0d5063e0..cc91386 100644 --- a/arch/s390/kernel/machine_kexec.c +++ b/arch/s390/kernel/machine_kexec.c @@ -159,7 +159,7 @@ int machine_kexec_prepare(struct kimage *image) /* Can't replace kernel image since it is read-only. */ if (ipl_flags & IPL_NSS_VALID) - return -ENOSYS; + return -EOPNOTSUPP; if (image->type == KEXEC_TYPE_CRASH) return machine_kexec_prepare_kdump(); |