This is a note to let you know that I've just added the patch titled
net: dsa: tag_ar9331: 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_ar9331-let-dsa-core-deal-with-tx-realloc.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 1cf4673ba62477fd972a8369f7b126c735916840
Author: Vladimir Oltean <vladimir.oltean@xxxxxxx>
Date: Sun Nov 1 21:16:20 2020 +0200
net: dsa: tag_ar9331: let DSA core deal with TX reallocation
[ 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@xxxxxxxx>
Cc: Oleksij Rempel <linux@xxxxxxxxxxxxxxxx>
Signed-off-by: Vladimir Oltean <vladimir.oltean@xxxxxxx>
Tested-by: Oleksij Rempel <linux@xxxxxxxxxxxxxxxx>
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_ar9331.c b/net/dsa/tag_ar9331.c
index 55b00694cdba..002cf7f952e2 100644
--- a/net/dsa/tag_ar9331.c
+++ b/net/dsa/tag_ar9331.c
@@ -31,9 +31,6 @@ static struct sk_buff *ar9331_tag_xmit(struct sk_buff *skb,
__le16 *phdr;
u16 hdr;
- if (skb_cow_head(skb, AR9331_HDR_LEN) < 0)
- return NULL;
-
phdr = skb_push(skb, AR9331_HDR_LEN);
hdr = FIELD_PREP(AR9331_HDR_VERSION_MASK, AR9331_HDR_VERSION);
