linux-kernel - Re: [PATCH] emu10k1: Fix coccicheck warning

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Date:	Sun, 10 Mar 2013 17:32:07 +0100
From:	Clemens Ladisch <clemens@...isch.de>
To:	Vicentiu Ciorbaru <cvicentiu@...il.com>
CC:	perex@...ex.cz, tiwai@...e.de, wfp5p@...ginia.edu,
	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] emu10k1: Fix coccicheck warning

Vicentiu Ciorbaru wrote:
> Removed redundant cast of kmalloc return pointer.

> -	    (icode->gpr_map = (u_int32_t __user *)
> -	     kcalloc(512 + 256 + 256 + 2 * 1024, sizeof(u_int32_t),
> -		     GFP_KERNEL)) == NULL ||
> +	    (icode->gpr_map = kcalloc(512 + 256 + 256 + 2 * 1024,
> +				sizeof(u_int32_t), GFP_KERNEL)) == NULL ||

Why would casting to __user be redundant?


Regards,
Clemens
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