Received-SPF: pass (google.com: domain of linux-kernel+bounces-205129-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.199.223 as permitted sender) client-ip=147.75.199.223;
Message-ID: <be032a65-e61b-40e0-a982-cb622ccca548@linuxfoundation.org>
Date: Thu, 6 Jun 2024 16:41:18 -0600
Precedence: bulk
MIME-Version: 1.0
User-Agent: Mozilla Thunderbird
Subject: Re: [PATCH] selftests: seccomp: fix format-zero-length warnings
To: Amer Al Shanawany <amer.shanawany@gmail.com>, Kees Cook
 <kees@kernel.org>, Andy Lutomirski <luto@amacapital.net>,
 Will Drewry <wad@chromium.org>, Shuah Khan <shuah@kernel.org>,
 linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Javier Carrasco <javier.carrasco.cruz@gmail.com>,
 kernel test robot <lkp@intel.com>, Shuah Khan <skhan@linuxfoundation.org>
References: <20240603115447.30279-1-amer.shanawany@gmail.com>
Content-Language: en-US
From: Shuah Khan <skhan@linuxfoundation.org>
In-Reply-To: <20240603115447.30279-1-amer.shanawany@gmail.com>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit

On 6/3/24 05:54, Amer Al Shanawany wrote:
> seccomp_benchmark.c:197:24: warning: zero-length gnu_printf format
>   string [-Wformat-zero-length]
>    197 |         ksft_print_msg("");
>        |                        ^~
> seccomp_benchmark.c:202:24: warning: zero-length gnu_printf format
>   string [-Wformat-zero-length]
>    202 |         ksft_print_msg("");
>        |                        ^~
> seccomp_benchmark.c:204:24: warning: zero-length gnu_printf format
>   string [-Wformat-zero-length]
>    204 |         ksft_print_msg("");
>        |                        ^~
> 
> Reported-by: kernel test robot <lkp@intel.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202312260235.Uj5ug8K9-lkp@intel.com/
> Signed-off-by: Amer Al Shanawany <amer.shanawany@gmail.com>
> ---
>   tools/testing/selftests/seccomp/seccomp_benchmark.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/tools/testing/selftests/seccomp/seccomp_benchmark.c b/tools/testing/selftests/seccomp/seccomp_benchmark.c
> index b83099160fbc..ed04b89de9c6 100644
> --- a/tools/testing/selftests/seccomp/seccomp_benchmark.c
> +++ b/tools/testing/selftests/seccomp/seccomp_benchmark.c
> @@ -194,14 +194,14 @@ int main(int argc, char *argv[])
>   	ksft_set_plan(7);
>   
>   	ksft_print_msg("Running on:\n");
> -	ksft_print_msg("");
> +	ksft_print_msg(" ");

Why not delete this all together?

>   	system("uname -a");
>   
>   	ksft_print_msg("Current BPF sysctl settings:\n");
>   	/* Avoid using "sysctl" which may not be installed. */
> -	ksft_print_msg("");
> +	ksft_print_msg(" ");

Why not delete this all together?

>   	system("grep -H . /proc/sys/net/core/bpf_jit_enable");
> -	ksft_print_msg("");
> +	ksft_print_msg(" ");

Why not delete this all together?

>   	system("grep -H . /proc/sys/net/core/bpf_jit_harden");
>   
>   	affinity();

thanks,
-- Shuah