macsec: fix checksumming after decryption

[ Upstream commit 7d8b16b9facb0dd81d1469808dd9a575fa1d525a ]

Fix checksumming after decryption.
Signed-off-by: NAndreas Steinmetz <ast@domdv.de>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/net/macsec.c

@@ -869,6 +869,7 @@ static void macsec_reset_skb(struct sk_buff *skb, struct net_device *dev)
 
 static void macsec_finalize_skb(struct sk_buff *skb, u8 icv_len, u8 hdr_len)
 {
+	skb->ip_summed = CHECKSUM_NONE;
 	memmove(skb->data + hdr_len, skb->data, 2 * ETH_ALEN);
 	skb_pull(skb, hdr_len);
 	pskb_trim_unique(skb, skb->len - icv_len);