netdev - [PATCH v3 net 7/9] ipvlan: remove skb_share

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Message-Id: <20200211150028.688073-8-Jason@zx2c4.com>
Date:   Tue, 11 Feb 2020 16:00:26 +0100
From:   "Jason A. Donenfeld" <Jason@...c4.com>
To:     netdev@...r.kernel.org, davem@...emloft.net
Cc:     "Jason A. Donenfeld" <Jason@...c4.com>,
        Mahesh Bandewar <maheshb@...gle.com>
Subject: [PATCH v3 net 7/9] ipvlan: 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: Mahesh Bandewar <maheshb@...gle.com>
Link: https://lore.kernel.org/netdev/CAHmME9pk8HEFRq_mBeatNbwXTx7UEfiQ_HG_+Lyz7E+80GmbSA@mail.gmail.com/
---
 drivers/net/ipvlan/ipvlan_core.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/net/ipvlan/ipvlan_core.c b/drivers/net/ipvlan/ipvlan_core.c
index 30cd0c4f0be0..da40723065f2 100644
--- a/drivers/net/ipvlan/ipvlan_core.c
+++ b/drivers/net/ipvlan/ipvlan_core.c
@@ -605,9 +605,6 @@ static int ipvlan_xmit_mode_l2(struct sk_buff *skb, struct net_device *dev)
 				return ipvlan_rcv_frame(addr, &skb, true);
 			}
 		}
-		skb = skb_share_check(skb, GFP_ATOMIC);
-		if (!skb)
-			return NET_XMIT_DROP;
 
 		/* Packet definitely does not belong to any of the
 		 * virtual devices, but the dest is local. So forward
-- 
2.25.0