提交 7f5b0308 编写于 作者: T Thomas Falcon 提交者: David S. Miller

ibmvnic: Free skb's in cases of failure in transmit

When an error is encountered during transmit we need to free the
skb instead of returning TX_BUSY.
Signed-off-by: NThomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 3ca19932
......@@ -908,9 +908,13 @@ static int ibmvnic_xmit(struct sk_buff *skb, struct net_device *netdev)
be32_to_cpu(adapter->login_rsp_buf->
off_txsubm_subcrqs));
if (adapter->migrated) {
if (!netif_subqueue_stopped(netdev, skb))
netif_stop_subqueue(netdev, queue_num);
dev_kfree_skb_any(skb);
tx_send_failed++;
tx_dropped++;
ret = NETDEV_TX_BUSY;
ret = NETDEV_TX_OK;
goto out;
}
......@@ -976,11 +980,13 @@ static int ibmvnic_xmit(struct sk_buff *skb, struct net_device *netdev)
sizeof(tx_buff->indir_arr),
DMA_TO_DEVICE);
if (dma_mapping_error(dev, tx_buff->indir_dma)) {
dev_kfree_skb_any(skb);
tx_buff->skb = NULL;
if (!firmware_has_feature(FW_FEATURE_CMO))
dev_err(dev, "tx: unable to map descriptor array\n");
tx_map_failed++;
tx_dropped++;
ret = NETDEV_TX_BUSY;
ret = NETDEV_TX_OK;
goto out;
}
lpar_rc = send_subcrq_indirect(adapter, handle_array[queue_num],
......@@ -999,9 +1005,15 @@ static int ibmvnic_xmit(struct sk_buff *skb, struct net_device *netdev)
else
tx_pool->consumer_index--;
dev_kfree_skb_any(skb);
tx_buff->skb = NULL;
if (lpar_rc == H_CLOSED)
netif_stop_subqueue(netdev, queue_num);
tx_send_failed++;
tx_dropped++;
ret = NETDEV_TX_BUSY;
ret = NETDEV_TX_OK;
goto out;
}
......
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