linux-kernel - Re: 2.6.28-rc3: usb_hcd_poll_rh_status: array subscript is above array bounds

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Message-ID: <20081104082135.07597ce0@infradead.org>
Date:	Tue, 4 Nov 2008 08:21:35 -0800
From:	Arjan van de Ven <arjan@...radead.org>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	Andrey Borzenkov <arvidjaar@...l.ru>,
	USB list <linux-usb@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.28-rc3: usb_hcd_poll_rh_status: array subscript is above
 array bounds

On Tue, 4 Nov 2008 11:10:33 -0500 (EST)
Alan Stern <stern@...land.harvard.edu> wrote:

> > Dp you know if it was ever reported to gcc folks?
> 
> I have no idea.  All I know is what was reported on LKML.

I reported this bug (well from a different part of the kernel, but same
warning) to gcc and yes it's a "gcc behavior"
apparently they produce the warning in a phase of the compiler before
the optimization to remove this code as "not taken".

There's a fix floating around but it's only a partial fix or something
like that.


-- 
Arjan van de Ven 	Intel Open Source Technology Centre
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