netdev - Re: [PATCH net v1] af_iucv: wrong mapping of sent and confirmed skbs

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Date:	Wed, 14 May 2014 15:38:59 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	blaschka@...ux.vnet.ibm.com
Cc:	netdev@...r.kernel.org, linux-s390@...r.kernel.org,
	stable@...r.kernel.org
Subject: Re: [PATCH net v1] af_iucv: wrong mapping of sent and confirmed
 skbs

From: Frank Blaschka <blaschka@...ux.vnet.ibm.com>
Date: Tue, 13 May 2014 14:38:02 +0200

> From: Ursula Braun <ursula.braun@...ibm.com>
> 
> When sending data through IUCV a MESSAGE COMPLETE interrupt
> signals that sent data memory can be freed or reused again.
> With commit f9c41a62bba3f3f7ef3541b2a025e3371bcbba97
> "af_iucv: fix recvmsg by replacing skb_pull() function" the
> MESSAGE COMPLETE callback iucv_callback_txdone() identifies
> the wrong skb as being confirmed, which leads to data corruption.
> This patch fixes the skb mapping logic in iucv_callback_txdone().
> 
> Signed-off-by: Ursula Braun <ursula.braun@...ibm.com>
> Signed-off-by: Frank Blaschka <frank.blaschka@...ibm.com>

Applied, thank you.
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