netdev - [RESEND PATCH net-next 4/4] macvtap: adjust macvtap_skb_to_vnet

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Message-Id: <1385602293-24024-5-git-send-email-zwu.kernel@gmail.com>
Date:	Thu, 28 Nov 2013 09:31:33 +0800
From:	Zhi Yong Wu <zwu.kernel@...il.com>
To:	netdev@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	Zhi Yong Wu <wuzhy@...ux.vnet.ibm.com>
Subject: [RESEND PATCH net-next 4/4] macvtap: adjust macvtap_skb_to_vnet_hdr() to be void

From: Zhi Yong Wu <wuzhy@...ux.vnet.ibm.com>

Signed-off-by: Zhi Yong Wu <wuzhy@...ux.vnet.ibm.com>
---
 drivers/net/macvtap.c |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index eeb1a97..155d60e 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -588,7 +588,7 @@ static int macvtap_skb_from_vnet_hdr(struct sk_buff *skb,
 	return 0;
 }
 
-static int macvtap_skb_to_vnet_hdr(const struct sk_buff *skb,
+static void macvtap_skb_to_vnet_hdr(const struct sk_buff *skb,
 				   struct virtio_net_hdr *vnet_hdr)
 {
 	memset(vnet_hdr, 0, sizeof(*vnet_hdr));
@@ -619,8 +619,6 @@ static int macvtap_skb_to_vnet_hdr(const struct sk_buff *skb,
 	} else if (skb->ip_summed == CHECKSUM_UNNECESSARY) {
 		vnet_hdr->flags = VIRTIO_NET_HDR_F_DATA_VALID;
 	} /* else everything is zero */
-
-	return 0;
 }
 
 /* Get packet from user space buffer */
@@ -779,7 +777,7 @@ static ssize_t macvtap_put_user(struct macvtap_queue *q,
 		if ((len -= vnet_hdr_len) < 0)
 			return -EINVAL;
 
-		ret = macvtap_skb_to_vnet_hdr(skb, &vnet_hdr);
+		macvtap_skb_to_vnet_hdr(skb, &vnet_hdr);
 
 		if (memcpy_toiovecend(iv, (void *)&vnet_hdr, 0, sizeof(vnet_hdr)))
 			return -EFAULT;
-- 
1.7.6.5

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