[PATCH net] sfc: fix potential memleak in __ef100_hard_start_xmit()

[Zhang Changzhong]

The __ef100_hard_start_xmit() returns NETDEV_TX_OK without freeing skb
in error handling case, add dev_kfree_skb_any() to fix it.

Fixes: 51b35a454efd ("sfc: skeleton EF100 PF driver")
Signed-off-by: Zhang Changzhong <zhangchangzhong@xxxxxxxxxx>
---
 drivers/net/ethernet/sfc/ef100_netdev.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/sfc/ef100_netdev.c b/drivers/net/ethernet/sfc/ef100_netdev.c
index 88fa295..ddcc325 100644
--- a/drivers/net/ethernet/sfc/ef100_netdev.c
+++ b/drivers/net/ethernet/sfc/ef100_netdev.c
@@ -218,6 +218,7 @@ netdev_tx_t __ef100_hard_start_xmit(struct sk_buff *skb,
 		   skb->len, skb->data_len, channel->channel);
 	if (!efx->n_channels || !efx->n_tx_channels || !channel) {
 		netif_stop_queue(net_dev);
+		dev_kfree_skb_any(skb);
 		goto err;
 	}
 
-- 
2.9.5