[PATCH net-next 1/3] net: stmmac: Add missing call to dev_kfree_skb()

[Jose Abreu]

When RX HW timestamp is enabled and a frame is discarded we are
not freeing the skb but instead only setting to NULL the entry.

Add a call to dev_kfree_skb_any() so that skb entry is correctly
freed.

Signed-off-by: Jose Abreu <joabreu@xxxxxxxxxxxx>
Cc: David S. Miller <davem@xxxxxxxxxxxxx>
Cc: Joao Pinto <jpinto@xxxxxxxxxxxx>
Cc: Giuseppe Cavallaro <peppe.cavallaro@xxxxxx>
Cc: Alexandre Torgue <alexandre.torgue@xxxxxx>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 0e1b0a3..f7b7906 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -3358,6 +3358,7 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue)
 				 * them in stmmac_rx_refill() function so that
 				 * device can reuse it.
 				 */
+				dev_kfree_skb_any(rx_q->rx_skbuff[entry]);
 				rx_q->rx_skbuff[entry] = NULL;
 				dma_unmap_single(priv->device,
 						 rx_q->rx_skbuff_dma[entry],
-- 
1.9.1