linux-kernel - Re: [TIP] BUG kmalloc-4096: Poison overwritten (ath5k_rx_skb

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Message-ID: <20090223164415.GA3558@hash.localnet>
Date:	Mon, 23 Feb 2009 11:44:15 -0500
From:	Bob Copeland <me@...copeland.com>
To:	Nick Kossifidis <mickflemm@...il.com>
Cc:	Jiri Slaby <jirislaby@...il.com>,
	Sitsofe Wheeler <sitsofe@...oo.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
	ath5k-devel@...ema.h4ckr.net,
	"Luis R. Rodriguez" <lrodriguez@...eros.com>
Subject: Re: [TIP] BUG kmalloc-4096: Poison overwritten (ath5k_rx_skb_alloc)

On Mon, Feb 23, 2009 at 06:41:01PM +0200, Nick Kossifidis wrote:
> > No, that's intentional.  That was actually a bug we had at some point
> > (rs_more is a u8 so the bitwise AND overflowed).  The "!!" makes it zero
> > or one so it fits.
> >
> 
> AR5K_REG_MS is used for that, we should just shift it as we do with
> the other fields and btw i think we must change flags to be bool.

Fine with me, in fact I wrote it that way first but someone suggested
"!!" instead in a patch review.  Either way works.  Also ACK on using 
bool.

-- 
Bob Copeland %% www.bobcopeland.com

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