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From: Evgeniy Polyakov <zbr@ioremap.net>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>, netdev@vger.kernel.org
Subject: Re: [PATCH 1/8] net: Add frag_list support to skb_segment
Date: Sat, 13 Dec 2008 06:11:10 +0300	[thread overview]
Message-ID: <20081213031110.GF807@ioremap.net> (raw)
In-Reply-To: <20081213024305.GA14056@gondor.apana.org.au>

On Sat, Dec 13, 2008 at 01:43:05PM +1100, Herbert Xu (herbert@gondor.apana.org.au) wrote:
> > > > > +		if (pos < offset + len) {
> > > > > +			struct sk_buff *fskb2 = fskb;
> > > > > +
> > > > > +			BUG_ON(pos + fskb->len != offset + len);
> > > > > +
> > > > > +			pos += fskb->len;
> > > > > +			fskb = fskb->next;
> > > > > +
> > > > > +			if (fskb2->next) {
> > > > > +				fskb2 = skb_clone(fskb2, GFP_ATOMIC);
> > > > > +				if (!fskb2)
> > > > > +					goto err;
> > > > > +			} else
> > > > > +				skb_get(fskb2);
> > > > > +
> > > > > +			skb_shinfo(nskb)->frag_list = fskb2;
> 
> This isn't a problem.  fskb2 is still on the original frag_list so
> we don't need to free it if skb_clone fails.

But nskb was not added into the list or it was?

-- 
	Evgeniy Polyakov

  reply	other threads:[~2008-12-13  3:11 UTC|newest]

Thread overview: 61+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-12  5:31 [0/8] net: Generic Receive Offload Herbert Xu
2008-12-12  5:31 ` [PATCH 1/8] net: Add frag_list support to skb_segment Herbert Xu
2008-12-12 19:46   ` Evgeniy Polyakov
2008-12-12 21:41     ` Herbert Xu
2008-12-13  2:38       ` Evgeniy Polyakov
2008-12-13  2:43         ` Herbert Xu
2008-12-13  3:11           ` Evgeniy Polyakov [this message]
2008-12-13  3:20             ` Herbert Xu
2008-12-12  5:31 ` [PATCH 2/8] net: Add frag_list support to GSO Herbert Xu
2008-12-12  5:31 ` [PATCH 3/8] net: Add Generic Receive Offload infrastructure Herbert Xu
2008-12-12 19:51   ` Evgeniy Polyakov
2008-12-12 21:45     ` Herbert Xu
2008-12-12 22:25   ` Ben Hutchings
2008-12-12 22:56     ` Herbert Xu
2008-12-12 23:11       ` Herbert Xu
2008-12-13  3:43         ` Herbert Xu
2008-12-13 14:03           ` Evgeniy Polyakov
2008-12-12  5:31 ` [PATCH 4/8] ipv4: Add GRO infrastructure Herbert Xu
2008-12-12 22:55   ` Ben Hutchings
2008-12-12 23:04     ` Herbert Xu
2008-12-12  5:31 ` [PATCH 5/8] net: Add skb_gro_receive Herbert Xu
2008-12-12  5:31 ` [PATCH 6/8] tcp: Add GRO support Herbert Xu
2008-12-12 19:56   ` Evgeniy Polyakov
2008-12-12 21:46     ` Herbert Xu
2008-12-13  2:40       ` Evgeniy Polyakov
2008-12-13  2:46         ` Herbert Xu
2008-12-13  3:10           ` Evgeniy Polyakov
2008-12-13  3:19             ` Herbert Xu
2008-12-12  5:31 ` [PATCH 7/8] ethtool: Add GGRO and SGRO ops Herbert Xu
2008-12-12 20:11   ` Ben Hutchings
2008-12-12 21:48     ` Herbert Xu
2008-12-12 22:35       ` Ben Hutchings
2008-12-12 22:49         ` Herbert Xu
2008-12-14 19:36           ` Waskiewicz Jr, Peter P
2008-12-14 21:09             ` Herbert Xu
2008-12-14 22:00               ` Waskiewicz Jr, Peter P
2008-12-15  3:40                 ` Herbert Xu
2008-12-12  5:31 ` [PATCH 8/8] e1000e: Add GRO support Herbert Xu
2008-12-13  1:34 ` [0/8] net: Generic Receive Offload Herbert Xu
2008-12-13  1:35   ` [PATCH 1/8] net: Add frag_list support to skb_segment Herbert Xu
2008-12-16  7:27     ` David Miller
2008-12-13  1:35   ` [PATCH 2/8] net: Add frag_list support to GSO Herbert Xu
2008-12-16  7:30     ` David Miller
2008-12-13  1:35   ` [PATCH 3/8] net: Add Generic Receive Offload infrastructure Herbert Xu
2008-12-15 23:29     ` Paul E. McKenney
2008-12-15 23:39       ` David Miller
2008-12-16  0:02         ` Paul E. McKenney
2008-12-16  2:04         ` Herbert Xu
2008-12-16 16:37           ` Paul E. McKenney
2008-12-16  7:40     ` David Miller
2008-12-13  1:35   ` [PATCH 4/8] ipv4: Add GRO infrastructure Herbert Xu
2008-12-16  7:41     ` David Miller
2008-12-13  1:35   ` [PATCH 5/8] net: Add skb_gro_receive Herbert Xu
2008-12-13  2:52     ` Herbert Xu
2008-12-16  7:42       ` David Miller
2008-12-13  1:35   ` [PATCH 6/8] tcp: Add GRO support Herbert Xu
2008-12-16  7:43     ` David Miller
2008-12-13  1:35   ` [PATCH 7/8] ethtool: Add GGRO and SGRO ops Herbert Xu
2008-12-16  7:44     ` David Miller
2008-12-13  1:35   ` [PATCH 8/8] e1000e: Add GRO support Herbert Xu
2008-12-16  7:46     ` David Miller

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