[LTP] [PATCH] syscalls/capget02: Use pid=0 instead of getpid()

[Yang Xu]

Hi
> Since pid=0 returns the capabilities for the calling thread,
> we can remove getpid and use pid=0 instead of it. Also we
> can cover this test point.
Since I defined static struct, I think it doesn't need pid=0 assignment. 
I will send a v2 and add comment.
> 
> Signed-off-by: Yang Xu <xuyang2018.jy@cn.fujitsu.com>
> ---
>   testcases/kernel/syscalls/capget/capget02.c | 8 +++-----
>   1 file changed, 3 insertions(+), 5 deletions(-)
> 
> diff --git a/testcases/kernel/syscalls/capget/capget02.c b/testcases/kernel/syscalls/capget/capget02.c
> index 42c76a011..0a23700b9 100644
> --- a/testcases/kernel/syscalls/capget/capget02.c
> +++ b/testcases/kernel/syscalls/capget/capget02.c
> @@ -69,15 +69,13 @@ static void verify_capget(unsigned int n)
>   
>   static void setup(void)
>   {
> -	unsigned int i, pid;
> -
> -	pid = getpid();
> +	unsigned int i;
>   
>   	header.version = 0x19980330;
> -	header.pid = pid;
> +	header.pid = 0;
>   
>   	bad_version_header.version = 0;
> -	bad_version_header.pid = pid;
> +	bad_version_header.pid = 0;
>   
>   	bad_pid_header.version = 0x19980330;
>   	bad_pid_header.pid = -1;
>