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path: root/drivers/net/ethernet/ibm/ibmvnic.c
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Diffstat (limited to 'drivers/net/ethernet/ibm/ibmvnic.c')
-rw-r--r--drivers/net/ethernet/ibm/ibmvnic.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index c10bae7823e0..b5871dfff1b7 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -962,9 +962,8 @@ static int ibmvnic_xmit(struct sk_buff *skb, struct net_device *netdev)
goto out;
}
- atomic_inc(&tx_scrq->used);
-
- if (atomic_read(&tx_scrq->used) >= adapter->req_tx_entries_per_subcrq) {
+ if (atomic_inc_return(&tx_scrq->used)
+ >= adapter->req_tx_entries_per_subcrq) {
netdev_info(netdev, "Stopping queue %d\n", queue_num);
netif_stop_subqueue(netdev, queue_num);
}
@@ -1499,9 +1498,8 @@ restart_loop:
}
if (txbuff->last_frag) {
- atomic_dec(&scrq->used);
-
- if (atomic_read(&scrq->used) <=
+ if (atomic_sub_return(next->tx_comp.num_comps,
+ &scrq->used) <=
(adapter->req_tx_entries_per_subcrq / 2) &&
netif_subqueue_stopped(adapter->netdev,
txbuff->skb)) {