[PATCH net] ibmvnic: correctly use dev_consume/free_skb_irq

[Lijun Pan]

It is more correct to use dev_kfree_skb_irq when packets are dropped,
and to use dev_consume_skb_irq when packets are consumed.

Fixes: 0d973388185d ("ibmvnic: Introduce xmit_more support using batched subCRQ 
hcalls")
Suggested-by: Thomas Falcon <tlfal...@linux.ibm.com>
Signed-off-by: Lijun Pan <lijunp...@gmail.com>
---
 drivers/net/ethernet/ibm/ibmvnic.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/ibm/ibmvnic.c 
b/drivers/net/ethernet/ibm/ibmvnic.c
index 9c6438d3b3a5..110a0d0eaabb 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -3204,9 +3204,6 @@ static int ibmvnic_complete_tx(struct ibmvnic_adapter 
*adapter,
 
                next = ibmvnic_next_scrq(adapter, scrq);
                for (i = 0; i < next->tx_comp.num_comps; i++) {
-                       if (next->tx_comp.rcs[i])
-                               dev_err(dev, "tx error %x\n",
-                                       next->tx_comp.rcs[i]);
                        index = be32_to_cpu(next->tx_comp.correlators[i]);
                        if (index & IBMVNIC_TSO_POOL_MASK) {
                                tx_pool = &adapter->tso_pool[pool];
@@ -3220,7 +3217,13 @@ static int ibmvnic_complete_tx(struct ibmvnic_adapter 
*adapter,
                        num_entries += txbuff->num_entries;
                        if (txbuff->skb) {
                                total_bytes += txbuff->skb->len;
-                               dev_consume_skb_irq(txbuff->skb);
+                               if (next->tx_comp.rcs[i]) {
+                                       dev_err(dev, "tx error %x\n",
+                                               next->tx_comp.rcs[i]);
+                                       dev_kfree_skb_irq(txbuff->skb);
+                               } else {
+                                       dev_consume_skb_irq(txbuff->skb);
+                               }
                                txbuff->skb = NULL;
                        } else {
                                netdev_warn(adapter->netdev,
-- 
2.23.0