netdev - Re: mac80211 truesize bugs

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Date:	Mon, 05 May 2008 00:48:31 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	David Miller <davem@...emloft.net>
Cc:	herbert@...dor.apana.org.au, mb@...sch.de, netdev@...r.kernel.org,
	linux-wireless@...r.kernel.org
Subject: Re: mac80211 truesize bugs

On Sun, 2008-05-04 at 15:45 -0700, David Miller wrote:
> From: Johannes Berg <johannes@...solutions.net>
> Date: Sun, 04 May 2008 16:06:30 +0200
> 
> > [  256.241496] KERNEL: assertion (!atomic_read(&sk->sk_wmem_alloc))
> > failed at net/packet/af_packet.c (225)
> > 
> > any ideas about that?
> 
> This is exactly what happens if you change skb->truesize
> when a socket is still attached to the skb.

Ok, that makes sense. Then it also makes sense I never got that warning
again, I had left one of my test patches in too long.

johannes

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