This is a note to let you know that I've just added the patch titled net: dsa: tag_qca: let DSA core deal with TX reallocation to the 5.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: net-dsa-tag_qca-let-dsa-core-deal-with-tx-reallocati.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 711716fcbb18a3f427fc231d0fc983343d289714 Author: Vladimir Oltean <vladimir.oltean@xxxxxxx> Date: Sun Nov 1 21:16:12 2020 +0200 net: dsa: tag_qca: let DSA core deal with TX reallocation [ Upstream commit 9bbda29ae1044bc4c1c01a5b7c44688c4765785f ] 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@xxxxxxxxxxx> Cc: Alexander Lobakin <alobakin@xxxxx> 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> 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);