From: Greg KH <greg@kroah.com>
To: Jesse Barnes <jbarnes@engr.sgi.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] handle usb host allocation failures
Date: Wed, 29 Sep 2004 16:20:37 -0700 [thread overview]
Message-ID: <20040929232037.GC26548@kroah.com> (raw)
In-Reply-To: <200409271517.32192.jbarnes@engr.sgi.com>
On Mon, Sep 27, 2004 at 03:17:32PM -0700, Jesse Barnes wrote:
> It looks like a host (like ohci or whatever) could try to allocate a new
> usb_device structure with usb_alloc_dev and get back a valid pointer even if
> the allocation of its private data failed. I first saw this in the 2.4
> sources, but it looks like 2.6 has the same problem. This patch attempts to
> fix it by freeing dev if the ->allocate() routine fails, and then returns
> NULL instead of a potentially dangerous dev pointer.
>
> Signed-off-by: Jesse Barnes <jbarnes@sgi.com>
Applied, thanks.
greg k-h
prev parent reply other threads:[~2004-09-29 23:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-27 22:17 [PATCH] handle usb host allocation failures Jesse Barnes
2004-09-29 23:20 ` Greg KH [this message]
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