File kexec-tools-Return-ENOSYS-when-kexec-does-not-know.patch of Package kexec-tools

From: Michal Suchanek <msuchanek@suse.de>
Date: Mon, 26 Feb 2018 12:12:38 +0100
Subject: kexec: Return -ENOSYS when kexec does not know how to call KEXEC_FILE_LOAD
References: bsc#1080916, boo#1076839
Upstream: merged
Git-commit: e810acd57d9fc2d7ba3b0e95d470c20de9948462

When the kernel does not know a syscall number it returns -ENOSYS but
when kexec does not know a syscall number it returns -1. Return -ENOSYS
from kexec as well.

Signed-off-by: Michal Suchanek <msuchanek@suse.de>
---
 kexec/kexec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kexec/kexec.c b/kexec/kexec.c
index cfd837c1b6bb..ab8cff7fe083 100644
--- a/kexec/kexec.c
+++ b/kexec/kexec.c
@@ -1166,7 +1166,7 @@ static int do_kexec_file_load(int fileind, int argc, char **argv,
 
 	if (!is_kexec_file_load_implemented()) {
 		fprintf(stderr, "syscall kexec_file_load not available.\n");
-		return -1;
+		return -ENOSYS;
 	}
 
 	if (argc - fileind <= 0) {
-- 
2.13.6

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