On 5/4/24 19:17, Amer Al Shanawany wrote: > On 4/19/24 18:41, Muhammad Usama Anjum wrote: >> On 4/17/24 11:49 PM, Amer Al Shanawany wrote: >>> 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: Amer Al Shanawany <amer.shanawany@xxxxxxxxx> >> Reviewed-by: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx> >> >>> --- >>> .../selftests/filesystems/statmount/statmount_test.c | 12 ++++++++++-- >>> 1 file changed, 10 insertions(+), 2 deletions(-) >>> >>> diff --git a/tools/testing/selftests/filesystems/statmount/statmount_test.c b/tools/testing/selftests/filesystems/statmount/statmount_test.c >>> index e6d7c4f1c85b..e8c019d72cbf 100644 >>> --- a/tools/testing/selftests/filesystems/statmount/statmount_test.c >>> +++ b/tools/testing/selftests/filesystems/statmount/statmount_test.c >>> @@ -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); >>> } > Hi, > > Can you please consider this patch? > > Thank you > > Amer > > > Hello, Could you please consider this simple patch for fixing build warnings for kselftest ? Thank you Amer