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-rw-r--r--drivers/net/igb/igb_main.c25
1 files changed, 13 insertions, 12 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index e67ff0ea2a56..52c43021c13d 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -285,7 +285,7 @@ module_exit(igb_exit_module);
**/
static void igb_cache_ring_register(struct igb_adapter *adapter)
{
- int i;
+ int i = 0, j = 0;
u32 rbase_offset = adapter->vfs_allocated_count;
switch (adapter->hw.mac.type) {
@@ -295,19 +295,20 @@ static void igb_cache_ring_register(struct igb_adapter *adapter)
* In order to avoid collision we start at the first free queue
* and continue consuming queues in the same sequence
*/
- for (i = 0; i < adapter->num_rx_queues; i++)
- adapter->rx_ring[i].reg_idx = rbase_offset +
- Q_IDX_82576(i);
- for (i = 0; i < adapter->num_tx_queues; i++)
- adapter->tx_ring[i].reg_idx = rbase_offset +
- Q_IDX_82576(i);
- break;
+ if (adapter->vfs_allocated_count) {
+ for (; i < adapter->num_rx_queues; i++)
+ adapter->rx_ring[i].reg_idx = rbase_offset +
+ Q_IDX_82576(i);
+ for (; j < adapter->num_tx_queues; j++)
+ adapter->tx_ring[j].reg_idx = rbase_offset +
+ Q_IDX_82576(j);
+ }
case e1000_82575:
default:
- for (i = 0; i < adapter->num_rx_queues; i++)
- adapter->rx_ring[i].reg_idx = i;
- for (i = 0; i < adapter->num_tx_queues; i++)
- adapter->tx_ring[i].reg_idx = i;
+ for (; i < adapter->num_rx_queues; i++)
+ adapter->rx_ring[i].reg_idx = rbase_offset + i;
+ for (; j < adapter->num_tx_queues; j++)
+ adapter->tx_ring[j].reg_idx = rbase_offset + j;
break;
}
}