From 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:46:07 +0000
Subject: [PATCH] add audio

---
 kernel/include/linux/virtio_net.h |   14 +++++++++++---
 1 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/kernel/include/linux/virtio_net.h b/kernel/include/linux/virtio_net.h
index 0e8ab43..a960de6 100644
--- a/kernel/include/linux/virtio_net.h
+++ b/kernel/include/linux/virtio_net.h
@@ -103,10 +103,18 @@
 		if (gso_type && skb->network_header) {
 			struct flow_keys_basic keys;
 
-			if (!skb->protocol)
-				virtio_net_hdr_set_proto(skb, hdr);
+			if (!skb->protocol) {
+				__be16 protocol = dev_parse_header_protocol(skb);
+
+				if (!protocol)
+					virtio_net_hdr_set_proto(skb, hdr);
+				else if (!virtio_net_hdr_match_proto(protocol, hdr->gso_type))
+					return -EINVAL;
+				else
+					skb->protocol = protocol;
+			}
 retry:
-			if (!skb_flow_dissect_flow_keys_basic(skb, &keys,
+			if (!skb_flow_dissect_flow_keys_basic(NULL, skb, &keys,
 							      NULL, 0, 0, 0,
 							      0)) {
 				/* UFO does not specify ipv4 or 6: try both */

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