linux-kernel - Re: [Patch 04/16] Remove unnecessary kmalloc casts from the sparc arch.

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Message-ID: <20070731140958.GA7836@localhost.localdomain>
Date:	Tue, 31 Jul 2007 22:09:58 +0800
From:	WANG Cong <xiyou.wangcong@...il.com>
To:	jack@...keye.stone.uk.eu.org
Cc:	linux-kernel@...r.kernel.org, trivial@...nel.org,
	David Miller <davem@...emloft.net>
Subject: Re: [Patch 04/16] Remove unnecessary kmalloc casts from the sparc arch.

On Tue, Jul 31, 2007 at 01:53:20PM +0100, jack@...keye.stone.uk.eu.org wrote:
>Signed-off-by: Jack Stone <jack@...keye.stone.uk.eu.org>
>
>CC: David Miller <davem@...emloft.net>
>
>---
> arch/sparc/kernel/ebus.c |    2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>Index: b/arch/sparc/kernel/ebus.c
>===================================================================
>--- a/arch/sparc/kernel/ebus.c
>+++ b/arch/sparc/kernel/ebus.c
>@@ -64,7 +64,7 @@ static struct ebus_device_irq *ebus_blac
>  */
> static inline unsigned long ebus_alloc(size_t size)
> {
>-	return (unsigned long)kmalloc(size, GFP_ATOMIC);
>+	return kmalloc(size, GFP_ATOMIC);

AFAIK, this cast is necessary, since void * is a pointer type while
unsigned long is not.

Regards.

-- 
To do great work, you have to have a pure mind. You can think only about the
mathematics. Everything else is human weakness. Accepting prizes is showing
weakness.

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