linux-kernel - [PATCH v2] cxgb4: add missing release on skb in uld

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Message-Id: <20200722185722.3580-1-navid.emamdoost@gmail.com>
Date:   Wed, 22 Jul 2020 13:57:21 -0500
From:   Navid Emamdoost <navid.emamdoost@...il.com>
To:     Vishal Kulkarni <vishal@...lsio.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     emamd001@....edu, Navid Emamdoost <navid.emamdoost@...il.com>
Subject: [PATCH v2] cxgb4: add missing release on skb in uld_send()

In the implementation of uld_send(), the skb is consumed on all
execution paths except one. Release skb when returning NET_XMIT_DROP.

Signed-off-by: Navid Emamdoost <navid.emamdoost@...il.com>
---
changes in v2:
	- using kfree_skb() based on David Miller suggestion.
---
 drivers/net/ethernet/chelsio/cxgb4/sge.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c
index d8c37fd4b808..92eee66cbc84 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/sge.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c
@@ -2938,7 +2938,7 @@ static inline int uld_send(struct adapter *adap, struct sk_buff *skb,
 	txq_info = adap->sge.uld_txq_info[tx_uld_type];
 	if (unlikely(!txq_info)) {
 		WARN_ON(true);
-		consume_skb(skb);
+		kfree_skb(skb);
 		return NET_XMIT_DROP;
 	}
 
-- 
2.17.1