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From: Michael Buesch <mb-fseUSCV1ubazQB+pC5nmwQ@public.gmane.org>
To: Daniel Drake <dsd-aBrp7R+bbdUdnm+yROfE0A@public.gmane.org>
Cc: linville-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org,
	netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	kune-hUSrv6EASfkEnNRfnnE9gw@public.gmane.org,
	rpjday-mn4gwa5WIIQysxA8WJXlww@public.gmane.org
Subject: Re: [PATCH] zd1211rw: Readd zd_addr_t cast
Date: Sat, 10 Feb 2007 07:02:14 +0100	[thread overview]
Message-ID: <200702100702.15264.mb@bu3sch.de> (raw)
In-Reply-To: <20070210012718.3B6E87B409F-k/4jFdqg8LLlyo9zxV8I99HuzzzSOjJt@public.gmane.org>

On Saturday 10 February 2007 02:27, Daniel Drake wrote:
> Robert P.J. Day's recent commit ("getting rid of all casts of k[cmz]alloc()
> calls") introduced a sparse warning for zd1211rw, related to our type-checking
> of addresses.
> 
> 	zd_chip.c:116:15: warning: implicit cast to nocast type
> 
> This patch readds the type cast, it is correct.
> 
> Signed-off-by: Daniel Drake <dsd-aBrp7R+bbdUdnm+yROfE0A@public.gmane.org>
> 
> Index: linux/drivers/net/wireless/zd1211rw/zd_chip.c
> ===================================================================
> --- linux.orig/drivers/net/wireless/zd1211rw/zd_chip.c
> +++ linux/drivers/net/wireless/zd1211rw/zd_chip.c
> @@ -113,7 +113,7 @@ int zd_ioread32v_locked(struct zd_chip *
>  
>  	/* Allocate a single memory block for values and addresses. */
>  	count16 = 2*count;
> -	a16 = kmalloc(count16 * (sizeof(zd_addr_t) + sizeof(u16)),
> +	a16 = (zd_addr_t *) kmalloc(count16 * (sizeof(zd_addr_t) + sizeof(u16)),
>  		                   GFP_NOFS);

Unrelated, but I am wondering since quite some time why you pass GFP_NOFS here.
Any special reason? I think in general there is no good reason for code outside
of the VFS to use this flag.
IMHO you should pass either GFP_ATOMIC or GFP_KERNEL.
-
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  parent reply	other threads:[~2007-02-10  6:02 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-10  1:27 [PATCH] zd1211rw: Readd zd_addr_t cast Daniel Drake
     [not found] ` <20070210012718.3B6E87B409F-k/4jFdqg8LLlyo9zxV8I99HuzzzSOjJt@public.gmane.org>
2007-02-10  6:02   ` Michael Buesch [this message]
2007-02-10  7:36     ` Ulrich Kunitz
2007-02-10 18:51     ` Joe Perches
2007-02-10 19:56       ` Ulrich Kunitz

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