linux-kernel - Re: [PATCH] selftests: kselftest

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Date:   Fri, 9 Jun 2017 09:42:48 -0600
From:   Shuah Khan <shuah@...nel.org>
To:     Shuah Khan <shuahkh@....samsung.com>, keescook@...omium.org,
        luto@...capital.net, wad@...omium.org
Cc:     linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        Shuah Khan <shuah@...nel.org>,
        Shuah Khan <shuahkh@....samsung.com>
Subject: Re: [PATCH] selftests: kselftest_harness: fix compile warnings

On 06/07/2017 11:57 AM, Shuah Khan wrote:
> Fix the following compile warns. checkpatch wants trailing statements
> on next line.
> 
> gcc -Wl,-no-as-needed -Wall -lpthread seccomp_bpf.c -o
> /lkml/linux-kselftest/tools/testing/selftests/seccomp/seccomp_bpf
> In file included from seccomp_bpf.c:40:0:
> seccomp_bpf.c: In function ‘change_syscall’:
> ../kselftest_harness.h:558:2: warning: this ‘for’ clause does not
> guard... [-Wmisleading-indentation]
>   for (; _metadata->trigger;  _metadata->trigger = __bail(_assert))
>   ^
> ../kselftest_harness.h:574:14: note: in expansion of macro
> ‘OPTIONAL_HANDLER’
>  } while (0); OPTIONAL_HANDLER(_assert)
>               ^~~~~~~~~~~~~~~~
> ../kselftest_harness.h:440:2: note: in expansion of macro ‘__EXPECT’
>   __EXPECT(expected, seen, ==, 0)
>   ^~~~~~~~
> seccomp_bpf.c:1313:2: note: in expansion of macro ‘EXPECT_EQ’
>   EXPECT_EQ(0, ret);
>   ^~~~~~~~~
> seccomp_bpf.c:1317:2: note: ...this statement, but the latter is
> misleadingly indented as if it is guarded by the ‘for’
>   {
>   ^
> make: Leaving directory
> '/lkml/linux-kselftest/tools/testing/selftests/seccomp'
> 
> Signed-off-by: Shuah Khan <shuahkh@....samsung.com>

Applied to linux-kselftest next for 4.13-rc1

thanks,
-- Shuah

> ---
>  tools/testing/selftests/kselftest_harness.h | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/testing/selftests/kselftest_harness.h b/tools/testing/selftests/kselftest_harness.h
> index c56f72e07cd7..432245faeab3 100644
> --- a/tools/testing/selftests/kselftest_harness.h
> +++ b/tools/testing/selftests/kselftest_harness.h
> @@ -555,7 +555,8 @@
>   * return while still providing an optional block to the API consumer.
>   */
>  #define OPTIONAL_HANDLER(_assert) \
> -	for (; _metadata->trigger;  _metadata->trigger = __bail(_assert))
> +	for (; _metadata->trigger;  _metadata->trigger = __bail(_assert)) \
> +		;
>  
>  #define __EXPECT(_expected, _seen, _t, _assert) do { \
>  	/* Avoid multiple evaluation of the cases */ \
>