[LTP] [PATCH 4/4] mknodat: Remove mknodat fallback definition

[Yang Xu]

Looking at man mknodat, it was added into kernel 2.6.16 and since the
oldest kernel we support is 3.10 (see doc/supported-kernel-libc-versions
.txt) we can as well completely drop this fallback definition.

Signed-off-by: Yang Xu <xuyang2018.jy@fujitsu.com>
---
 configure.ac                                  |  1 -
 testcases/kernel/syscalls/mknodat/mknodat.h   | 35 -------------------
 testcases/kernel/syscalls/mknodat/mknodat01.c |  1 -
 testcases/kernel/syscalls/mknodat/mknodat02.c |  4 +--
 4 files changed, 1 insertion(+), 40 deletions(-)
 delete mode 100644 testcases/kernel/syscalls/mknodat/mknodat.h

diff --git a/configure.ac b/configure.ac
index 4cada09ed..ee14504bb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -112,7 +112,6 @@ AC_CHECK_FUNCS_ONCE([ \
     mallinfo \
     mallinfo2 \
     mallopt \
-    mknodat \
     modify_ldt \
     mount_setattr \
     move_mount \
diff --git a/testcases/kernel/syscalls/mknodat/mknodat.h b/testcases/kernel/syscalls/mknodat/mknodat.h
deleted file mode 100644
index 8f3a1f007..000000000
--- a/testcases/kernel/syscalls/mknodat/mknodat.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Copyright (c) International Business Machines  Corp., 2007
- * Copyright (c) 2014 Fujitsu Ltd.
- *
- * This program is free software;  you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Library General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- */
-
-#ifndef MKNODAT_H
-#define MKNODAT_H
-
-#include <sys/types.h>
-#include "config.h"
-#include "lapi/syscalls.h"
-
-#if !defined(HAVE_MKNODAT)
-int mknodat(int dirfd, const char *filename, mode_t mode, dev_t dev)
-{
-	return tst_syscall(__NR_mknodat, dirfd, filename, mode, dev);
-}
-#endif
-
-#endif /* MKNODAT_H */
diff --git a/testcases/kernel/syscalls/mknodat/mknodat01.c b/testcases/kernel/syscalls/mknodat/mknodat01.c
index 6500ca362..3be0a4f87 100644
--- a/testcases/kernel/syscalls/mknodat/mknodat01.c
+++ b/testcases/kernel/syscalls/mknodat/mknodat01.c
@@ -35,7 +35,6 @@
 #include "test.h"
 #include "safe_macros.h"
 #include "lapi/fcntl.h"
-#include "mknodat.h"
 
 #define PATHNAME "mknodattestdir"
 
diff --git a/testcases/kernel/syscalls/mknodat/mknodat02.c b/testcases/kernel/syscalls/mknodat/mknodat02.c
index eda247fda..d2ba6d942 100644
--- a/testcases/kernel/syscalls/mknodat/mknodat02.c
+++ b/testcases/kernel/syscalls/mknodat/mknodat02.c
@@ -37,7 +37,6 @@
 #include "test.h"
 #include "safe_macros.h"
 #include "lapi/fcntl.h"
-#include "mknodat.h"
 
 static void setup(void);
 static void cleanup(void);
@@ -157,8 +156,7 @@ static void mknodat_verify(struct test_case_t *tc)
 			 strerror(tc->exp_errno));
 	}
 
-	if (TEST_ERRNO == 0 &&
-	    tst_syscall(__NR_unlinkat, fd, pathname, 0) < 0) {
+	if (TEST_ERRNO == 0 && unlinkat(fd, pathname, 0) < 0) {
 		tst_brkm(TBROK | TERRNO, cleanup, "unlinkat(%d, %s) "
 			 "failed.", fd, pathname);
 	}
-- 
2.39.1