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Date:	Thu, 26 Oct 2006 16:02:45 -0700
From:	Andrew Morton <akpm@...l.org>
To:	Randy Dunlap <randy.dunlap@...cle.com>
Cc:	iss_storagedev@...com, lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH cciss: fix printk format warning

On Mon, 23 Oct 2006 21:46:08 -0700
Randy Dunlap <randy.dunlap@...cle.com> wrote:

> --- linux-2619-rc3-pv.orig/drivers/block/cciss.c
> +++ linux-2619-rc3-pv/drivers/block/cciss.c
> @@ -1992,8 +1992,8 @@ cciss_read_capacity(int ctlr, int logvol
>  		*block_size = BLOCK_SIZE;
>  	}
>  	if (*total_size != (__u32) 0)

Why is cciss_read_capacity casting *total_size to u32?

It is a sector_t.  If it happens to have the value 0xnnnnnnnn00000000 then
this expression will incorrectly evaluate to `false'.

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