[PATCH 5.7 112/120] cxgb4: add missing release on skb in uld_send()

From: Greg Kroah-Hartman
Date: Mon Aug 03 2020 - 08:47:16 EST


From: Navid Emamdoost <navid.emamdoost@xxxxxxxxx>

[ Upstream commit e6827d1abdc9b061a57d7b7d3019c4e99fabea2f ]

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@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/net/ethernet/chelsio/cxgb4/sge.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c
index 28ce9856a0784..0f5ca68c98542 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/sge.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c
@@ -2925,6 +2925,7 @@ 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);
+ kfree_skb(skb);
return NET_XMIT_DROP;
}

--
2.25.1