netdev - [PATCH resend] net_dma: remove duplicate assignment in dma_skb_copy_datagram

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Message-Id: <1211489771.16376.24.camel@dwillia2-linux.ch.intel.com>
Date:	Thu, 22 May 2008 13:56:11 -0700
From:	Dan Williams <dan.j.williams@...el.com>
To:	davem@...emloft.net
Cc:	"Sosnowski, Maciej" <maciej.sosnowski@...el.com>,
	Brice Goglin <Brice.Goglin@...ia.fr>, netdev@...r.kernel.org,
	"Nelson, Shannon" <shannon.nelson@...el.com>
Subject: [PATCH resend] net_dma: remove duplicate assignment in
	dma_skb_copy_datagram_iovec

From: Brice Goglin <Brice.Goglin@...ia.fr>
Subject: net_dma: remove duplicate assignment in dma_skb_copy_datagram_iovec

No need to compute copy twice in the frags loop in
dma_skb_copy_datagram_iovec().

Signed-off-by: Brice Goglin <Brice.Goglin@...ia.fr>
Acked-by: Shannon Nelson <shannon.nelson@...el.com>
Signed-off-by: Maciej Sosnowski <maciej.sosnowski@...el.com>
Signed-off-by: Dan Williams <dan.j.williams@...el.com>
---
On Thu, 2008-05-22 at 00:02 -0700, Brice Goglin wrote:
> I don't see this patch applied anywhere, what happened to it?
>
> Brice

Hi Dave,

Looks like this patch fell by the wayside, here is a resend.

Thanks,
Dan

 net/core/user_dma.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)


diff --git a/net/core/user_dma.c b/net/core/user_dma.c
index 0ad1cd5..c77aff9 100644
--- a/net/core/user_dma.c
+++ b/net/core/user_dma.c
@@ -75,7 +75,7 @@ int dma_skb_copy_datagram_iovec(struct dma_chan *chan,
 
 		end = start + skb_shinfo(skb)->frags[i].size;
 		copy = end - offset;
-		if ((copy = end - offset) > 0) {
+		if (copy > 0) {
 			skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
 			struct page *page = frag->page;
 


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