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net: dsa: tag_qca: let DSA core deal with TX reallocation

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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>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Vladimir Oltean 2020-11-01 21:16:12 +02:00 committed by Jakub Kicinski
parent ef3f72fee2
commit 9bbda29ae1
1 changed files with 0 additions and 3 deletions
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3
net/dsa/tag_qca.c
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@ -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);