linux-kernel - Re: [PATCH 01/31] Add an ERR_CAST() macro to complement ERR

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Message-ID: <472132C9.20903@oracle.com>
Date:	Thu, 25 Oct 2007 17:20:25 -0700
From:	Zach Brown <zach.brown@...cle.com>
To:	Roland Dreier <rdreier@...co.com>
CC:	David Howells <dhowells@...hat.com>, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH 01/31] Add an ERR_CAST() macro to complement ERR_PTR and
 co.	[try #5]

Roland Dreier wrote:
>  > > +static inline void *ERR_CAST(const void *ptr)
>  > > +{
>  > > +	return (void *) ptr;
>  > > +}
>  > 
>  > Just to nit, surely you don't need the cast inside the function.  The
>  > casting happens at the call site between the argument and returned pointer.
> 
> The way it's written you kinda do, since it takes a const void * and
> returns a plain void *.

Ah, right, I missed that.

- z
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