netdev - [PATCH net] net: dsa: use consume

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Message-ID: <1503549632.2499.77.camel@edumazet-glaptop3.roam.corp.google.com>
Date:   Wed, 23 Aug 2017 21:40:32 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     David Miller <davem@...emloft.net>
Cc:     f.fainelli@...il.com, netdev@...r.kernel.org,
        vivien.didelot@...oirfairelinux.com, Woojung.Huh@...rochip.com,
        UNGLinuxDriver@...rochip.com
Subject: [PATCH net] net: dsa: use consume_skb()

From: Eric Dumazet <edumazet@...gle.com>

Two kfree_skb() should be consume_skb(), to be friend with drop monitor
(perf record ... -e skb:kfree_skb)

Signed-off-by: Eric Dumazet <edumazet@...gle.com>
---
 net/dsa/tag_ksz.c     |    2 +-
 net/dsa/tag_trailer.c |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/dsa/tag_ksz.c b/net/dsa/tag_ksz.c
index 3bd6e2a83125..fcd90f79458e 100644
--- a/net/dsa/tag_ksz.c
+++ b/net/dsa/tag_ksz.c
@@ -67,7 +67,7 @@ static struct sk_buff *ksz_xmit(struct sk_buff *skb, struct net_device *dev)
 		if (skb_put_padto(nskb, nskb->len + padlen))
 			return NULL;
 
-		kfree_skb(skb);
+		consume_skb(skb);
 	}
 
 	tag = skb_put(nskb, KSZ_INGRESS_TAG_LEN);
diff --git a/net/dsa/tag_trailer.c b/net/dsa/tag_trailer.c
index b09e56214005..9c7b1d74a5c6 100644
--- a/net/dsa/tag_trailer.c
+++ b/net/dsa/tag_trailer.c
@@ -40,7 +40,7 @@ static struct sk_buff *trailer_xmit(struct sk_buff *skb, struct net_device *dev)
 	skb_set_network_header(nskb, skb_network_header(skb) - skb->head);
 	skb_set_transport_header(nskb, skb_transport_header(skb) - skb->head);
 	skb_copy_and_csum_dev(skb, skb_put(nskb, skb->len));
-	kfree_skb(skb);
+	consume_skb(skb);
 
 	if (padlen) {
 		skb_put_zero(nskb, padlen);