[LTP] [PATCH v2 1/2] tst_test.c: Add hugepage check in prepare_and_mount_hugetlb_fs

[Wei Gao]

If test case only enable .needs_hugetlbfs without .hugepages then
will trigger mount error in prepare_and_mount_hugetlb_fs. So Add
hugepage check within prepare_and_mount_hugetlb_fs.

Signed-off-by: Wei Gao <wegao@suse.com>
---
 lib/tst_test.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/tst_test.c b/lib/tst_test.c
index b8894f782..2217595e6 100644
--- a/lib/tst_test.c
+++ b/lib/tst_test.c
@@ -38,6 +38,7 @@
 #include "old_device.h"
 #include "old_tmpdir.h"
 #include "ltp-version.h"
+#include "tst_hugepage.h"
 
 /*
  * Hack to get TCID defined in newlib tests
@@ -1192,6 +1193,9 @@ static void prepare_and_mount_dev_fs(const char *mntpoint)
 
 static void prepare_and_mount_hugetlb_fs(void)
 {
+	if (access(PATH_HUGEPAGES, F_OK))
+		tst_brk(TCONF, "hugetlbfs is not supported");
+
 	SAFE_MOUNT("none", tst_test->mntpoint, "hugetlbfs", 0, NULL);
 	context->mntpoint_mounted = 1;
 }
-- 
2.51.0