From: Heiko Carstens Date: Thu, 6 Sep 2012 13:19:08 +0000 (+0200) Subject: s390/kexec: change return value of machine_kexec_prepare X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d978386e79412e45d1aea81eee345dac23d20865;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git 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 Signed-off-by: Martin Schwidefsky --- diff --git a/arch/s390/kernel/machine_kexec.c b/arch/s390/kernel/machine_kexec.c index 0d5063e0ff79..cc913869e015 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();