linux-kernel - [PATCH 2/9] ntb_netdev: Fix skb free issue in open

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Date:	Mon,  7 Apr 2014 17:52:47 -0700
From:	Jon Mason <jon.mason@...el.com>
To:	linux-kernel@...r.kernel.org
Subject: [PATCH 2/9] ntb_netdev: Fix skb free issue in open

In ntb_netdev_open, when ntb_transport_rx_enqueue fails the skb that was
attempting to be enqueued is not freed.  Free this skb on the
ntb_transport_rx_enqueue error.

Signed-off-by: Jon Mason <jon.mason@...el.com>
---
 drivers/net/ntb_netdev.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ntb_netdev.c b/drivers/net/ntb_netdev.c
index 8298880..8e6752f 100644
--- a/drivers/net/ntb_netdev.c
+++ b/drivers/net/ntb_netdev.c
@@ -182,8 +182,10 @@ static int ntb_netdev_open(struct net_device *ndev)
 
 		rc = ntb_transport_rx_enqueue(dev->qp, skb, skb->data,
 					      ndev->mtu + ETH_HLEN);
-		if (rc == -EINVAL)
+		if (rc == -EINVAL) {
+			dev_kfree_skb(skb);
 			goto err;
+		}
 	}
 
 	netif_carrier_off(ndev);
-- 
1.8.3.2

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