From: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
From: Vladimir Oltean <vladimir.oltean@xxxxxxx>
[ Upstream commit 941f66beb7bb4e0e4726aa31336d9ccc1c3a3dc2 ]
Now that we have a central TX reallocation procedure that accounts for
the tagger's needed headroom in a generic way, we can remove the
skb_cow_head call.
Cc: DENG Qingfang <dqfext@xxxxxxxxx>
Cc: Sean Wang <sean.wang@xxxxxxxxxxxx>
Cc: John Crispin <john@xxxxxxxxxxx>
Signed-off-by: Vladimir Oltean <vladimir.oltean@xxxxxxx>
Reviewed-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
net/dsa/tag_mtk.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/net/dsa/tag_mtk.c b/net/dsa/tag_mtk.c
index 4cdd9cf428fb..38dcdded74c0 100644
--- a/net/dsa/tag_mtk.c
+++ b/net/dsa/tag_mtk.c
@@ -34,9 +34,6 @@ static struct sk_buff *mtk_tag_xmit(struct sk_buff *skb,
* table with VID.
*/
if (!skb_vlan_tagged(skb)) {
- if (skb_cow_head(skb, MTK_HDR_LEN) < 0)
- return NULL;
-
skb_push(skb, MTK_HDR_LEN);
memmove(skb->data, skb->data + MTK_HDR_LEN, 2 * ETH_ALEN);
is_vlan_skb = false;
--
2.30.1
