[rtems commit] posix/src/mutexinit.c: Fix used before initialized warning

[Gedare Bloom]

On Tue, Apr 25, 2017 at 7:14 PM, Joel Sherrill <joel at rtems.org> wrote:
> Module:    rtems
> Branch:    master
> Commit:    6601684f74f0ea1ec44fb52ec75d52215af11f5f
> Changeset: http://git.rtems.org/rtems/commit/?id=6601684f74f0ea1ec44fb52ec75d52215af11f5f
>
> Author:    Joel Sherrill <joel at rtems.org>
> Date:      Tue Apr 25 13:57:03 2017 -0500
>
> posix/src/mutexinit.c: Fix used before initialized warning
>
> ---
>
>  cpukit/posix/src/mutexinit.c | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/cpukit/posix/src/mutexinit.c b/cpukit/posix/src/mutexinit.c
> index 39139a4..47e0bcb 100644
> --- a/cpukit/posix/src/mutexinit.c
> +++ b/cpukit/posix/src/mutexinit.c
> @@ -40,6 +40,9 @@ int pthread_mutex_init(
>    const Scheduler_Control   *scheduler;
>    Priority_Control           priority;
>
> +  /* initialize to avoid warning for used uninitialized */
> +  priority = 0;
> +
The warning is spurious. You could refactor the code so the compiler
doesn't get confused.

>    if ( attr ) the_attr = attr;
>    else        the_attr = &_POSIX_Mutex_Default_attributes;
>
>
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