net: Use skb_checksum_start_offset()

[deliverable/linux.git] / drivers / net / macvtap.c

diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index 42567279843ecfc804efd233b841338f21cef933..21845affea1303ed80a952d38b78d24c39281e28 100644 (file)
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -504,8 +504,7 @@ static int macvtap_skb_to_vnet_hdr(const struct sk_buff *skb,
 
        if (skb->ip_summed == CHECKSUM_PARTIAL) {
                vnet_hdr->flags = VIRTIO_NET_HDR_F_NEEDS_CSUM;
-               vnet_hdr->csum_start = skb->csum_start -
-                                       skb_headroom(skb);
+               vnet_hdr->csum_start = skb_checksum_start_offset(skb);
                vnet_hdr->csum_offset = skb->csum_offset;
        } /* else everything is zero */