[PATCH] rapidio/rionet: do not free skb before reading its length

[Pan Bian]

skb is freed via dev_kfree_skb_any, however, skb->len is read then. This
may result in a use-after-free bug.

Fixes: e6161d64263 ("rapidio/rionet: rework driver initialization and removal")
Signed-off-by: Pan Bian <bianpan2...@163.com>
---
 drivers/net/rionet.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/rionet.c b/drivers/net/rionet.c
index e9f101c..bfbb39f 100644
--- a/drivers/net/rionet.c
+++ b/drivers/net/rionet.c
@@ -216,9 +216,9 @@ static int rionet_start_xmit(struct sk_buff *skb, struct 
net_device *ndev)
                         * it just report sending a packet to the target
                         * (without actual packet transfer).
                         */
-                       dev_kfree_skb_any(skb);
                        ndev->stats.tx_packets++;
                        ndev->stats.tx_bytes += skb->len;
+                       dev_kfree_skb_any(skb);
                }
        }
 
-- 
2.7.4