macvtap: remove the dead branch
Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -588,7 +588,7 @@ static int macvtap_skb_from_vnet_hdr(struct sk_buff *skb,
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return 0;
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}
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static int macvtap_skb_to_vnet_hdr(const struct sk_buff *skb,
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static void macvtap_skb_to_vnet_hdr(const struct sk_buff *skb,
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struct virtio_net_hdr *vnet_hdr)
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{
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memset(vnet_hdr, 0, sizeof(*vnet_hdr));
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@ -619,8 +619,6 @@ static int macvtap_skb_to_vnet_hdr(const struct sk_buff *skb,
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} else if (skb->ip_summed == CHECKSUM_UNNECESSARY) {
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vnet_hdr->flags = VIRTIO_NET_HDR_F_DATA_VALID;
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} /* else everything is zero */
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return 0;
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}
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/* Get packet from user space buffer */
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@ -778,9 +776,7 @@ static ssize_t macvtap_put_user(struct macvtap_queue *q,
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if ((len -= vnet_hdr_len) < 0)
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return -EINVAL;
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ret = macvtap_skb_to_vnet_hdr(skb, &vnet_hdr);
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if (ret)
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return ret;
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macvtap_skb_to_vnet_hdr(skb, &vnet_hdr);
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if (memcpy_toiovecend(iv, (void *)&vnet_hdr, 0, sizeof(vnet_hdr)))
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return -EFAULT;
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