linux-kernel - RE: [patch] x86, ptrace: void dopiness

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Message-ID: <029E5BE7F699594398CA44E3DDF55444027827AD@swsmsx413.ger.corp.intel.com>
Date:	Tue, 23 Sep 2008 12:30:17 +0100
From:	"Metzger, Markus T" <markus.t.metzger@...el.com>
To:	"Ingo Molnar" <mingo@...e.hu>
Cc:	<markus.t.metzger@...il.com>, <linux-kernel@...r.kernel.org>,
	<akpm@...ux-foundation.org>, "Roland McGrath" <roland@...hat.com>,
	"linux-os (Dick Johnson)" <linux-os@...logic.com>
Subject: RE: [patch] x86, ptrace: void dopiness

>-----Original Message-----
>From: Ingo Molnar [mailto:mingo@...e.hu] 
>Sent: Montag, 22. September 2008 14:08
>To: Metzger, Markus T

>> The void-cast is intentional in both cases.
>> 
>> I thought it a question of style, i.e. that we don't want void casts 
>> just like we want NULL instead of 0.
>
>ok.
>
>But you could mark ds_release_bts() as a __must_check 
>function, in that 
>case the (void) has functional aspects as well: the kernel build will 
>complain if a return value is ignored unintentionally.

Wouldn't every non-void function be __must_check?

regards,
markus.
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