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[v2,net-next,06/12] net: dsa: tag_mtk: let DSA core deal with TX reallocation

Message ID 20201030014910.2738809-7-vladimir.oltean@nxp.com
State New
Headers show
Series [v2,net-next,01/12] net: dsa: implement a central TX reallocation procedure | expand

Commit Message

Vladimir Oltean Oct. 30, 2020, 1:49 a.m. UTC 
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@gmail.com>
Cc: Sean Wang <sean.wang@mediatek.com>
Cc: John Crispin <john@phrozen.org>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
---
Changes in v2:
None.

 net/dsa/tag_mtk.c | 3 ---
 1 file changed, 3 deletions(-)
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Patch

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;