From: Greg Kroah-Hartman <gre...@linuxfoundation.org>
From: Vladimir Oltean <vladimir.olt...@nxp.com>
[ Upstream commit 6ed94135f58372cdec34cafb60f7596893b0b371 ]
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.
Signed-off-by: Vladimir Oltean <vladimir.olt...@nxp.com>
Reviewed-by: Florian Fainelli <f.faine...@gmail.com>
Signed-off-by: Jakub Kicinski <k...@kernel.org>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
net/dsa/tag_lan9303.c | 9 ---------
1 file changed, 9 deletions(-)
diff --git a/net/dsa/tag_lan9303.c b/net/dsa/tag_lan9303.c
index ccfb6f641bbf..aa1318dccaf0 100644
--- a/net/dsa/tag_lan9303.c
+++ b/net/dsa/tag_lan9303.c
@@ -58,15 +58,6 @@ static struct sk_buff *lan9303_xmit(struct sk_buff *skb,
struct net_device *dev)
__be16 *lan9303_tag;
u16 tag;
- /* insert a special VLAN tag between the MAC addresses
- * and the current ethertype field.
- */
- if (skb_cow_head(skb, LAN9303_TAG_LEN) < 0) {
- dev_dbg(&dev->dev,
- "Cannot make room for the special tag. Dropping
packet\n");
- return NULL;
- }
-
/* provide 'LAN9303_TAG_LEN' bytes additional space */
skb_push(skb, LAN9303_TAG_LEN);
--
2.30.1
