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[RFC,06/13] net: dsa: tag_ocelot: let DSA core deal with TX reallocation

Message ID 20201017213611.2557565-7-vladimir.oltean@nxp.com
State RFC
Delegated to: David Miller
Headers show
Series Generic TX reallocation for DSA | expand

Commit Message

Vladimir Oltean Oct. 17, 2020, 9:36 p.m. UTC 
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.oltean@nxp.com>
---
 net/dsa/tag_ocelot.c | 7 -------
 1 file changed, 7 deletions(-)
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Patch

diff --git a/net/dsa/tag_ocelot.c b/net/dsa/tag_ocelot.c
index 3b468aca5c53..16a1afd5b8e1 100644
--- a/net/dsa/tag_ocelot.c
+++ b/net/dsa/tag_ocelot.c
@@ -143,13 +143,6 @@  static struct sk_buff *ocelot_xmit(struct sk_buff *skb,
 	struct ocelot_port *ocelot_port;
 	u8 *prefix, *injection;
 	u64 qos_class, rew_op;
-	int err;
-
-	err = skb_cow_head(skb, OCELOT_TOTAL_TAG_LEN);
-	if (unlikely(err < 0)) {
-		netdev_err(netdev, "Cannot make room for tag.\n");
-		return NULL;
-	}
 
 	ocelot_port = ocelot->ports[dp->index];