Commit 2049aad5 authored by Amer Al Shanawany's avatar Amer Al Shanawany Committed by Shuah Khan
Browse files

selftests: filesystems: fix warn_unused_result build warnings 



Fix the following warnings by adding return check and error messages.

statmount_test.c: In function ‘cleanup_namespace’:
statmount_test.c:128:9: warning: ignoring return value of ‘fchdir’
declared with attribute ‘warn_unused_result’ [-Wunused-result]
  128 |         fchdir(orig_root);
      |         ^~~~~~~~~~~~~~~~~
statmount_test.c:129:9: warning: ignoring return value of ‘chroot’
declared with attribute ‘warn_unused_result’ [-Wunused-result]
  129 |         chroot(".");
      |         ^~~~~~~~~~~

Signed-off-by: default avatarAmer Al Shanawany <amer.shanawany@gmail.com>
Reviewed-by: default avatarMuhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: default avatarShuah Khan <skhan@linuxfoundation.org>
parent 4bf15b1c

tools/testing/selftests/filesystems/statmount/statmount_test.c

+10 −2
Original line number Diff line number Diff line
@@ -125,8 +125,16 @@ static uint32_t old_root_id, old_parent_id; 


static void cleanup_namespace(void)

{

	fchdir(orig_root);

	chroot(".");

	int ret;



	ret = fchdir(orig_root);

	if (ret == -1)

		ksft_perror("fchdir to original root");



	ret = chroot(".");

	if (ret == -1)

		ksft_perror("chroot to original root");



	umount2(root_mntpoint, MNT_DETACH);

	rmdir(root_mntpoint);

}