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[RFC,10/13] net: dsa: tag_brcm: let DSA core deal with TX reallocation

Message ID 20201017213611.2557565-11-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.

Cc: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
 net/dsa/tag_brcm.c | 3 ---
 1 file changed, 3 deletions(-)
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diff --git a/net/dsa/tag_brcm.c b/net/dsa/tag_brcm.c
index ad72dff8d524..e934dace3922 100644
--- a/net/dsa/tag_brcm.c
+++ b/net/dsa/tag_brcm.c
@@ -66,9 +66,6 @@  static struct sk_buff *brcm_tag_xmit_ll(struct sk_buff *skb,
 	u16 queue = skb_get_queue_mapping(skb);
 	u8 *brcm_tag;
-	if (skb_cow_head(skb, BRCM_TAG_LEN) < 0)
-		return NULL;
 	/* The Ethernet switch we are interfaced with needs packets to be at
 	 * least 64 bytes (including FCS) otherwise they will be discarded when
 	 * they enter the switch port logic. When Broadcom tags are enabled, we