linux-kernel - Re: [PATCH 4/4] zd1211rw: remove unnecessary [kv][mcz]alloc casts

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Date:	Sun, 28 Nov 2010 10:12:46 +0100
From:	Johannes Berg <johannes@...solutions.net>
To:	Joe Perches <joe@...ches.com>
Cc:	Daniel Drake <dsd@...too.org>, Ulrich Kunitz <kune@...ne-taler.de>,
	"John W. Linville" <linville@...driver.com>,
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/4] zd1211rw: remove unnecessary [kv][mcz]alloc casts

On Sun, 2010-11-28 at 01:05 -0800, Joe Perches wrote:
> Signed-off-by: Joe Perches <joe@...ches.com>
> ---
>  drivers/net/wireless/zd1211rw/zd_chip.c |    3 +--
>  1 files changed, 1 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/net/wireless/zd1211rw/zd_chip.c b/drivers/net/wireless/zd1211rw/zd_chip.c
> index 87a95bc..dfcebed 100644
> --- a/drivers/net/wireless/zd1211rw/zd_chip.c
> +++ b/drivers/net/wireless/zd1211rw/zd_chip.c
> @@ -117,8 +117,7 @@ int zd_ioread32v_locked(struct zd_chip *chip, u32 *values, const zd_addr_t *addr
>  
>  	/* Allocate a single memory block for values and addresses. */
>  	count16 = 2*count;
> -	a16 = (zd_addr_t *) kmalloc(count16 * (sizeof(zd_addr_t) + sizeof(u16)),
> -		                   GFP_KERNEL);
> +	a16 = kmalloc(count16 * (sizeof(zd_addr_t) + sizeof(u16)), GFP_KERNEL);

I believe this is on purpose for sparse.

johannes

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