linux-kernel - Re: [PATCH] x86: OLPC: have prom_early

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Message-ID: <AANLkTi=PpPKoHr1sOAwZZaFhVX9HOOqT7AYgY2QaX92O@mail.gmail.com>
Date:	Thu, 24 Feb 2011 23:20:10 -0700
From:	Grant Likely <grant.likely@...retlab.ca>
To:	Andres Salomon <dilinger@...ued.net>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	linux-kernel@...r.kernel.org, devicetree-discuss@...ts.ozlabs.org
Subject: Re: [PATCH] x86: OLPC: have prom_early_alloc BUG rather than return NULL

On Thu, Feb 24, 2011 at 9:06 PM, Andres Salomon <dilinger@...ued.net> wrote:
>
> ..similar to what sparc's prom_early_alloc does.
>
> Signed-off-by: Andres Salomon <dilinger@...ued.net>

What the hey, I've picked this up since it makes the other patch
simpler.  I'll push the two patches to linux-next tomorrow and ask
Linus to pull in a few days.

g.

> ---
>  arch/x86/platform/olpc/olpc_dt.c |    3 +--
>  1 files changed, 1 insertions(+), 2 deletions(-)
>
> diff --git a/arch/x86/platform/olpc/olpc_dt.c b/arch/x86/platform/olpc/olpc_dt.c
> index dab8746..044bda5 100644
> --- a/arch/x86/platform/olpc/olpc_dt.c
> +++ b/arch/x86/platform/olpc/olpc_dt.c
> @@ -140,8 +140,7 @@ void * __init prom_early_alloc(unsigned long size)
>                 * wasted bootmem) and hand off chunks of it to callers.
>                 */
>                res = alloc_bootmem(chunk_size);
> -               if (!res)
> -                       return NULL;
> +               BUG_ON(!res);
>                prom_early_allocated += chunk_size;
>                memset(res, 0, chunk_size);
>                free_mem = chunk_size;
> --
> 1.7.2.3
>
>



-- 
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.
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