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From: Andrew Morton <akpm@osdl.org>
To: "" <pmarques@grupopie.com>
Cc: mdharm-kernel@one-eyed-alien.net, linux-kernel@vger.kernel.org,
	perex@suse.cz, luming.yu@intel.com
Subject: Re: sizeof(ptr) or sizeof(*ptr)?
Date: Sun, 27 Feb 2005 21:39:46 -0800	[thread overview]
Message-ID: <20050227213946.199e82af.akpm@osdl.org> (raw)
In-Reply-To: <1109546013.4222541d5db16@webmail.grupopie.com>

"" <pmarques@grupopie.com> wrote:
>
> Anyway, after improving the tool and checking for false positives, there is only
>  one more suspicious piece of code in drivers/acpi/video.c:561
> 
>  	status = acpi_video_device_lcd_query_levels(device, &obj);
> 
>  	if (obj && obj->type == ACPI_TYPE_PACKAGE && obj->package.count >= 2) {
>  		int count = 0;
>  		union acpi_object *o;
> 
>  		br = kmalloc(sizeof &br, GFP_KERNEL);

yup, bug.

>  		if (!br) {
>  			printk(KERN_ERR "can't allocate memory\n");
>  		} else {
>  			memset(br, 0, sizeof &br);
>  			br->levels = kmalloc(obj->package.count * sizeof &br->levels, GFP_KERNEL);

And another one, although it happens to work out OK.

I'll get these all fixed up, thanks.

  reply	other threads:[~2005-02-28  5:40 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-02-27 20:25 pmarques
2005-02-27 20:45 ` Matthew Dharm
2005-02-27 23:13   ` pmarques
2005-02-28  5:39     ` Andrew Morton [this message]
2005-03-08 13:20       ` Paulo Marques

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