From: Johan Hovold <jhovold@gmail.com>
To: kernel-janitors@vger.kernel.org
Subject: Re: [patch] usb: io_edgeport: eliminate get_string()
Date: Mon, 25 Jan 2010 22:13:29 +0000 [thread overview]
Message-ID: <20100125221329.GA3681@localhost> (raw)
In-Reply-To: <20100125115333.GD3061@bicker>
On Mon, Jan 25, 2010 at 10:47:31PM +0100, Oliver Neukum wrote:
> Am Montag, 25. Januar 2010 21:54:16 schrieb Johan Hovold:
> > I don't think this patch should go to stable as it does not fix anything
> > severe. Worst case is that in the unlikely event that usb_control_msg
> > fails and you have debugging enabled one may end up with 64 non-sense
> > characters in you log. There's no risk for any memory corruption
> > AFAICT.
>
> It does fix DMA on the stack. Are you sure this is always harmless
> on non-x86?
Good point. But if that is considered critical enough then Dan's
original patch should go to stable instead of this one. And so should
the other 10+ DMA-to-stack patches in Greg's tree?
/Johan
next prev parent reply other threads:[~2010-01-25 22:13 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-25 11:53 [patch] usb: io_edgeport: eliminate get_string() Dan Carpenter
2010-01-25 16:57 ` Johan Hovold
2010-01-25 20:40 ` Greg KH
2010-01-25 20:41 ` Greg KH
2010-01-25 20:41 ` Greg KH
2010-01-25 20:54 ` Johan Hovold
2010-01-25 21:47 ` Oliver Neukum
2010-01-25 22:13 ` Johan Hovold [this message]
2010-01-26 4:27 ` Greg KH
2010-01-26 6:50 ` Oliver Neukum
2010-01-26 9:15 ` Dan Carpenter
2010-01-26 9:21 ` Dan Carpenter
2010-01-26 9:46 ` Johan Hovold
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