netdev - [PATCH][net-next] virtio: simplify the using of received in virtnet

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Message-Id: <1427355585-10365-1-git-send-email-roy.qing.li@gmail.com>
Date:	Thu, 26 Mar 2015 15:39:45 +0800
From:	roy.qing.li@...il.com
To:	netdev@...r.kernel.org
Subject: [PATCH][net-next] virtio: simplify the using of received in virtnet_poll

From: Li RongQing <roy.qing.li@...il.com>

received is 0, no need to minus it and use "+=" to reassign it

Signed-off-by: Li RongQing <roy.qing.li@...il.com>
---
 drivers/net/virtio_net.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 59b0e97..cb54ff7 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -749,9 +749,9 @@ static int virtnet_poll(struct napi_struct *napi, int budget)
 {
 	struct receive_queue *rq =
 		container_of(napi, struct receive_queue, napi);
-	unsigned int r, received = 0;
+	unsigned int r, received;
 
-	received += virtnet_receive(rq, budget - received);
+	received = virtnet_receive(rq, budget);
 
 	/* Out of packets? */
 	if (received < budget) {
-- 
2.1.0

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