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path: root/drivers/net/ethernet/intel/e1000
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Diffstat (limited to 'drivers/net/ethernet/intel/e1000')
-rw-r--r--drivers/net/ethernet/intel/e1000/e1000_ethtool.c10
-rw-r--r--drivers/net/ethernet/intel/e1000/e1000_main.c25
2 files changed, 13 insertions, 22 deletions
diff --git a/drivers/net/ethernet/intel/e1000/e1000_ethtool.c b/drivers/net/ethernet/intel/e1000/e1000_ethtool.c
index a41008523c98..be56e631d693 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_ethtool.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_ethtool.c
@@ -607,6 +607,7 @@ static int e1000_set_ringparam(struct net_device *netdev,
for (i = 0; i < adapter->num_rx_queues; i++)
rxdr[i].count = rxdr->count;
+ err = 0;
if (netif_running(adapter->netdev)) {
/* Try to get new resources before deleting old */
err = e1000_setup_all_rx_resources(adapter);
@@ -627,14 +628,13 @@ static int e1000_set_ringparam(struct net_device *netdev,
adapter->rx_ring = rxdr;
adapter->tx_ring = txdr;
err = e1000_up(adapter);
- if (err)
- goto err_setup;
}
kfree(tx_old);
kfree(rx_old);
clear_bit(__E1000_RESETTING, &adapter->flags);
- return 0;
+ return err;
+
err_setup_tx:
e1000_free_all_rx_resources(adapter);
err_setup_rx:
@@ -646,7 +646,6 @@ err_alloc_rx:
err_alloc_tx:
if (netif_running(adapter->netdev))
e1000_up(adapter);
-err_setup:
clear_bit(__E1000_RESETTING, &adapter->flags);
return err;
}
@@ -937,8 +936,7 @@ static void e1000_free_desc_rings(struct e1000_adapter *adapter)
txdr->buffer_info[i].dma,
txdr->buffer_info[i].length,
DMA_TO_DEVICE);
- if (txdr->buffer_info[i].skb)
- dev_kfree_skb(txdr->buffer_info[i].skb);
+ dev_kfree_skb(txdr->buffer_info[i].skb);
}
}
diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index 8fe9af0e2ab7..416da9619928 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -820,7 +820,7 @@ static int e1000_set_features(struct net_device *netdev,
else
e1000_reset(adapter);
- return 0;
+ return 1;
}
static const struct net_device_ops e1000_netdev_ops = {
@@ -2889,9 +2889,8 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
}
for (f = 0; f < nr_frags; f++) {
- const struct skb_frag_struct *frag;
+ const skb_frag_t *frag = &skb_shinfo(skb)->frags[f];
- frag = &skb_shinfo(skb)->frags[f];
len = skb_frag_size(frag);
offset = 0;
@@ -3019,7 +3018,7 @@ static void e1000_tx_queue(struct e1000_adapter *adapter,
* applicable for weak-ordered memory model archs,
* such as IA-64).
*/
- wmb();
+ dma_wmb();
tx_ring->next_to_use = i;
}
@@ -3267,14 +3266,9 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
/* Make sure there is space in the ring for the next send. */
e1000_maybe_stop_tx(netdev, tx_ring, desc_needed);
- if (!skb->xmit_more ||
+ if (!netdev_xmit_more() ||
netif_xmit_stopped(netdev_get_tx_queue(netdev, 0))) {
writel(tx_ring->next_to_use, hw->hw_addr + tx_ring->tdt);
- /* we need this if more than one processor can write to
- * our tail at a time, it synchronizes IO on IA64/Altix
- * systems
- */
- mmiowb();
}
} else {
dev_kfree_skb_any(skb);
@@ -3571,8 +3565,8 @@ static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
(max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)))
adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE;
- pr_info("%s changing MTU from %d to %d\n",
- netdev->name, netdev->mtu, new_mtu);
+ netdev_dbg(netdev, "changing MTU from %d to %d\n",
+ netdev->mtu, new_mtu);
netdev->mtu = new_mtu;
if (netif_running(netdev))
@@ -4181,8 +4175,7 @@ static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
/* an error means any chain goes out the window
* too
*/
- if (rx_ring->rx_skb_top)
- dev_kfree_skb(rx_ring->rx_skb_top);
+ dev_kfree_skb(rx_ring->rx_skb_top);
rx_ring->rx_skb_top = NULL;
goto next_desc;
}
@@ -4545,7 +4538,7 @@ e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
* applicable for weak-ordered memory model archs,
* such as IA-64).
*/
- wmb();
+ dma_wmb();
writel(i, adapter->hw.hw_addr + rx_ring->rdt);
}
}
@@ -4660,7 +4653,7 @@ static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
* applicable for weak-ordered memory model archs,
* such as IA-64).
*/
- wmb();
+ dma_wmb();
writel(i, hw->hw_addr + rx_ring->rdt);
}
}
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