[PATCH v4 1/5] selftests/landlock: Use an actual chardev for MAKE_CHAR audit test

["Günther Noack" <gnoack@google.com>]

By passing a (0, 0) device number, the audit test for
LANDLOCK_ACCESS_FS_MAKE_CHAR was accidentally creating a whiteout object
rather than a char device.  In preparation to treating whiteout objects
differently, use an actual character device instead.

Signed-off-by: Günther Noack <gnoack@google.com>
---
 tools/testing/selftests/landlock/fs_test.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/landlock/fs_test.c b/tools/testing/selftests/landlock/fs_test.c
index 86e08aa6e0a7..e82b56a74c5f 100644
--- a/tools/testing/selftests/landlock/fs_test.c
+++ b/tools/testing/selftests/landlock/fs_test.c
@@ -7436,7 +7436,7 @@ TEST_F(audit_layout1, make_char)
 
 	enforce_fs(_metadata, ACCESS_ALL, NULL);
 
-	EXPECT_EQ(-1, mknod(file1_s1d3, S_IFCHR | 0644, 0));
+	EXPECT_EQ(-1, mknod(file1_s1d3, S_IFCHR | 0644, makedev(7, 0)));
 	EXPECT_EQ(EACCES, errno);
 	EXPECT_EQ(0, matches_log_fs(_metadata, self->audit_fd, "fs\\.make_char",
 				    dir_s1d3));
-- 
2.55.0.229.g6434b31f56-goog