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net: dsa: tag_ar9331: let DSA core deal with TX reallocation

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[ Upstream commit 86c4ad9a7876777c12fd5a7010152e4141fcb94d ]

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: Per Forlin <per.forlin@axis.com>
Cc: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Tested-by: Oleksij Rempel <linux@rempel-privat.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Vladimir Oltean 2020-11-01 21:16:20 +02:00 committed by Greg Kroah-Hartman
parent a2fd181b4b
commit 409af89466
1 changed files with 0 additions and 3 deletions
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3
net/dsa/tag_ar9331.c
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@ -31,9 +31,6 @@ static struct sk_buff *ar9331_tag_xmit(struct sk_buff *skb,
__le16 *phdr; __le16 *phdr;
u16 hdr; u16 hdr;
if (skb_cow_head(skb, AR9331_HDR_LEN) < 0)
return NULL;
phdr = skb_push(skb, AR9331_HDR_LEN); phdr = skb_push(skb, AR9331_HDR_LEN);
hdr = FIELD_PREP(AR9331_HDR_VERSION_MASK, AR9331_HDR_VERSION); hdr = FIELD_PREP(AR9331_HDR_VERSION_MASK, AR9331_HDR_VERSION);