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From: Ingo Molnar <mingo@elte.hu>
To: Markus Metzger <markus.t.metzger@intel.com>
Cc: markus.t.metzger@gmail.com, linux-kernel@vger.kernel.org,
	akpm@linux-foundation.org, Roland McGrath <roland@redhat.com>
Subject: Re: [patch] x86, ptrace: void dopiness
Date: Mon, 22 Sep 2008 13:50:58 +0200	[thread overview]
Message-ID: <20080922115058.GB14301@elte.hu> (raw)
In-Reply-To: <20080919145250.A6000@sedona.ch.intel.com>


* Markus Metzger <markus.t.metzger@intel.com> wrote:

> +++ gits.x86/arch/x86/kernel/ptrace.c	2008-09-19 13:53:02.%N +0200
> @@ -738,7 +738,7 @@
>  		unsigned int sig = 0;
>  
>  		/* we ignore the error in case we were not tracing child */
> -		(void)ds_release_bts(child);
> +		ds_release_bts(child);

hm, here the cast is OK because we actually ignore the return value.

> @@ -947,7 +947,7 @@
>  	clear_tsk_thread_flag(child, TIF_SYSCALL_EMU);
>  #endif
>  #ifdef CONFIG_X86_PTRACE_BTS
> -	(void)ds_release_bts(child);
> +	ds_release_bts(child);

is it right/intentional here?

	Ingo

  parent reply	other threads:[~2008-09-22 11:51 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-19 12:52 [patch] x86, ptrace: void dopiness Markus Metzger
2008-09-19 13:17 ` linux-os (Dick Johnson)
2008-09-22 11:50 ` Ingo Molnar [this message]
2008-09-22 12:00   ` Metzger, Markus T
2008-09-22 12:07     ` Ingo Molnar
2008-09-23 11:30       ` Metzger, Markus T
2008-09-23 11:48         ` Ingo Molnar

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