* [PATCH net-next] net: tap: use eth_type_vlan in tap_get_user
@ 2021-01-14 7:37 menglong8.dong
0 siblings, 0 replies; only message in thread
From: menglong8.dong @ 2021-01-14 7:37 UTC (permalink / raw)
To: kuba; +Cc: davem, netdev, linux-kernel, Menglong Dong
From: Menglong Dong <dong.menglong@zte.com.cn>
Replace the check for ETH_P_8021Q and ETH_P_8021AD in
tap_get_user with eth_type_vlan.
Signed-off-by: Menglong Dong <dong.menglong@zte.com.cn>
---
drivers/net/tap.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/net/tap.c b/drivers/net/tap.c
index 3c652c8ac5ba..cf9197fe3bb6 100644
--- a/drivers/net/tap.c
+++ b/drivers/net/tap.c
@@ -713,8 +713,7 @@ static ssize_t tap_get_user(struct tap_queue *q, void *msg_control,
skb_probe_transport_header(skb);
/* Move network header to the right position for VLAN tagged packets */
- if ((skb->protocol == htons(ETH_P_8021Q) ||
- skb->protocol == htons(ETH_P_8021AD)) &&
+ if (eth_type_vlan(skb->protocol) &&
__vlan_get_protocol(skb, skb->protocol, &depth) != 0)
skb_set_network_header(skb, depth);
--
2.25.1
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2021-01-14 7:37 [PATCH net-next] net: tap: use eth_type_vlan in tap_get_user menglong8.dong
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