[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Message-ID: <61f322f5-8b4b-4f5b-8226-e44846e10c09@linuxfoundation.org>
Date: Tue, 11 Jun 2024 09:23:17 -0600
From: Shuah Khan <skhan@...uxfoundation.org>
To: Amer Al Shanawany <amer.shanawany@...il.com>,
Muhammad Usama Anjum <usama.anjum@...labora.com>,
Shuah Khan <shuah@...nel.org>, Christian Brauner <brauner@...nel.org>,
Miklos Szeredi <mszeredi@...hat.com>, linux-kselftest@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: Javier Carrasco <javier.carrasco.cruz@...il.com>,
Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH] selftests: filesystems: fix warn_unused_result build
warnings
On 6/3/24 05:17, Amer Al Shanawany wrote:
> 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@...il.com>
>>> Reviewed-by: Muhammad Usama Anjum <usama.anjum@...labora.com>
>>>
>>>> ---
>>>> .../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
Applied to linux-kselftest fixes branch for the next rc.
thanks,
-- Shuah
Powered by blists - more mailing lists