[PATCH 4.9 111/329] ibmvnic: Free RX socket buffer in case of adapter error

[Greg Kroah-Hartman]

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Thomas Falcon <tlfalcon@xxxxxxxxxxxxxxxxxx>

[ Upstream commit 4b9b0f01350500173f17e2b2e65beb4df4ef99c7 ]

If a RX buffer is returned to the client driver with an error, free the
corresponding socket buffer before continuing.

Signed-off-by: Thomas Falcon <tlfalcon@xxxxxxxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/net/ethernet/ibm/ibmvnic.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -994,6 +994,7 @@ restart_poll:
 			netdev_err(netdev, "rx error %x\n", next->rx_comp.rc);
 			/* free the entry */
 			next->rx_comp.first = 0;
+			dev_kfree_skb_any(rx_buff->skb);
 			remove_buff_from_pool(adapter, rx_buff);
 			break;
 		}