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macvtap: remove the dead branch

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Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Zhi Yong Wu 2013-12-07 04:13:04 +08:00 committed by David S. Miller
parent 59566b6e8c
commit 359d44d764
1 changed files with 2 additions and 6 deletions
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8
drivers/net/macvtap.c
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@ -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 */
@ -778,9 +776,7 @@ 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);
if (ret)
return ret;
macvtap_skb_to_vnet_hdr(skb, &vnet_hdr);
if (memcpy_toiovecend(iv, (void *)&vnet_hdr, 0, sizeof(vnet_hdr)))
return -EFAULT;