[LTP] [PATCH 1/2] lib: Add checking of needs_root

[Zhao Gongyi]

We need to check needs_root is set when tst_test->needs_device or
tst_test->mount_device is set since access the /dev/* need a
privilege.

Signed-off-by: Zhao Gongyi <zhaogongyi@huawei.com>
---
 lib/tst_test.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/tst_test.c b/lib/tst_test.c
index 8ccde1629..728a1d921 100644
--- a/lib/tst_test.c
+++ b/lib/tst_test.c
@@ -1196,6 +1196,11 @@ static void do_setup(int argc, char *argv[])
 		tst_brk(TBROK, "tst_test->mntpoint must be set!");
 	}

+	if ((tst_test->needs_device || tst_test->mount_device) &&
+	     !tst_test->needs_root) {
+		tst_brk(TBROK, "tst_test->needs_root must be set!");
+	}
+
 	if (!!tst_test->needs_rofs + !!tst_test->needs_devfs +
 	    !!tst_test->needs_device > 1) {
 		tst_brk(TBROK,
--
2.17.1