netdev - [PATCH v3 net 9/9] benet: remove skb_share

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Date:   Tue, 11 Feb 2020 16:00:28 +0100
From:   "Jason A. Donenfeld" <Jason@...c4.com>
To:     netdev@...r.kernel.org, davem@...emloft.net
Cc:     "Jason A. Donenfeld" <Jason@...c4.com>,
        Sathya Perla <sathya.perla@...adcom.com>,
        Ajit Khaparde <ajit.khaparde@...adcom.com>,
        Sriharsha Basavapatna <sriharsha.basavapatna@...adcom.com>,
        Somnath Kotur <somnath.kotur@...adcom.com>
Subject: [PATCH v3 net 9/9] benet: remove skb_share_check from xmit path

This is an impossible condition to reach; an skb in ndo_start_xmit won't
be shared by definition.

Signed-off-by: Jason A. Donenfeld <Jason@...c4.com>
Cc: Sathya Perla <sathya.perla@...adcom.com>
Cc: Ajit Khaparde <ajit.khaparde@...adcom.com>
Cc: Sriharsha Basavapatna <sriharsha.basavapatna@...adcom.com>
Cc: Somnath Kotur <somnath.kotur@...adcom.com>
Link: https://lore.kernel.org/netdev/CAHmME9pk8HEFRq_mBeatNbwXTx7UEfiQ_HG_+Lyz7E+80GmbSA@mail.gmail.com/
---
 drivers/net/ethernet/emulex/benet/be_main.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 56f59db6ebf2..8b797adb3065 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -1048,10 +1048,6 @@ static struct sk_buff *be_insert_vlan_in_pkt(struct be_adapter *adapter,
 	bool insert_vlan = false;
 	u16 vlan_tag = 0;
 
-	skb = skb_share_check(skb, GFP_ATOMIC);
-	if (unlikely(!skb))
-		return skb;
-
 	if (skb_vlan_tag_present(skb)) {
 		vlan_tag = be_get_tx_vlan_tag(adapter, skb);
 		insert_vlan = true;
-- 
2.25.0