From: David Miller <davem@davemloft.net>
To: eric.dumazet@gmail.com
Cc: f.fainelli@gmail.com, netdev@vger.kernel.org, opendmb@gmail.com
Subject: Re: [PATCH net] net: bcmgenet: fix dma api length mismatch
Date: Fri, 18 Mar 2016 23:13:06 -0400 (EDT) [thread overview]
Message-ID: <20160318.231306.1347406577388515779.davem@davemloft.net> (raw)
In-Reply-To: <1458241026.7353.62.camel@edumazet-glaptop3.roam.corp.google.com>
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Thu, 17 Mar 2016 11:57:06 -0700
> From: Eric Dumazet <edumazet@google.com>
>
> When un-mapping skb->data in __bcmgenet_tx_reclaim(),
> we must use the length that was used in original dma_map_single(),
> instead of skb->len that might be bigger (includes the frags)
>
> We simply can store skb_len into tx_cb_ptr->dma_len and use it
> at unmap time.
>
> Fixes: 1c1008c793fa ("net: bcmgenet: add main driver file")
> Signed-off-by: Eric Dumazet <edumazet@google.com>
Applied and queued up for -stable, thanks.
prev parent reply other threads:[~2016-03-19 3:13 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-16 14:18 [BUG] bcmgenet tx path Eric Dumazet
2016-03-17 17:00 ` Florian Fainelli
2016-03-17 18:57 ` [PATCH net] net: bcmgenet: fix dma api length mismatch Eric Dumazet
2016-03-17 23:16 ` Florian Fainelli
2016-03-19 3:13 ` David Miller [this message]
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