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[RFC,05/13] net: dsa: tag_qca: let DSA core deal with TX reallocation

Message ID 20201017213611.2557565-6-vladimir.oltean@nxp.com
State RFC
Delegated to: David Miller
Headers show
Series Generic TX reallocation for DSA | expand

Commit Message

Vladimir Oltean Oct. 17, 2020, 9:36 p.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: John Crispin <john@phrozen.org>
Cc: Alexander Lobakin <alobakin@pm.me>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
 net/dsa/tag_qca.c | 3 ---
 1 file changed, 3 deletions(-)
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diff --git a/net/dsa/tag_qca.c b/net/dsa/tag_qca.c
index 1b9e8507112b..88181b52f480 100644
--- a/net/dsa/tag_qca.c
+++ b/net/dsa/tag_qca.c
@@ -34,9 +34,6 @@  static struct sk_buff *qca_tag_xmit(struct sk_buff *skb, struct net_device *dev)
 	__be16 *phdr;
 	u16 hdr;
-	if (skb_cow_head(skb, QCA_HDR_LEN) < 0)
-		return NULL;
 	skb_push(skb, QCA_HDR_LEN);
 	memmove(skb->data, skb->data + QCA_HDR_LEN, 2 * ETH_ALEN);