linux-kernel - [PATCH][I/OAT]: Remove duplicate assignation in dma_skb_copy_datagram

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Date:	Wed, 13 Feb 2008 22:05:12 +0100
From:	Brice Goglin <Brice.Goglin@...ia.fr>
To:	shannon.nelson@...el.com, dan.j.williams@...el.com
CC:	Chris Leech <christopher.leech@...el.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH][I/OAT]: Remove duplicate assignation in dma_skb_copy_datagram_iovec

[I/OAT]: Remove duplicate assignation 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>
---
 user_dma.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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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