Pull request for 'for-jeff' branch

From: Francois Romieu
Date: Mon Feb 27 2006 - 17:25:47 EST


Please pull from branch 'for-jeff' to get the changes below:

git://electric-eye.fr.zoreil.com/home/romieu/linux-2.6.git

Shortlog
--------
$ git rev-list --pretty master..HEAD | git shortlog

Francois Romieu:
via-velocity: fix memory corruption when changing the mtu
8139cp: fix broken suspend/resume


Patch
-----
diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c
index f822cd3..dd41049 100644
--- a/drivers/net/8139cp.c
+++ b/drivers/net/8139cp.c
@@ -1118,13 +1118,18 @@ err_out:
return -ENOMEM;
}

+static void cp_init_rings_index (struct cp_private *cp)
+{
+ cp->rx_tail = 0;
+ cp->tx_head = cp->tx_tail = 0;
+}
+
static int cp_init_rings (struct cp_private *cp)
{
memset(cp->tx_ring, 0, sizeof(struct cp_desc) * CP_TX_RING_SIZE);
cp->tx_ring[CP_TX_RING_SIZE - 1].opts1 = cpu_to_le32(RingEnd);

- cp->rx_tail = 0;
- cp->tx_head = cp->tx_tail = 0;
+ cp_init_rings_index(cp);

return cp_refill_rx (cp);
}
@@ -1886,30 +1891,30 @@ static int cp_suspend (struct pci_dev *p

spin_unlock_irqrestore (&cp->lock, flags);

- if (cp->pdev && cp->wol_enabled) {
- pci_save_state (cp->pdev);
- cp_set_d3_state (cp);
- }
+ pci_save_state(pdev);
+ pci_enable_wake(pdev, pci_choose_state(pdev, state), cp->wol_enabled);
+ pci_set_power_state(pdev, pci_choose_state(pdev, state));

return 0;
}

static int cp_resume (struct pci_dev *pdev)
{
- struct net_device *dev;
- struct cp_private *cp;
+ struct net_device *dev = pci_get_drvdata (pdev);
+ struct cp_private *cp = netdev_priv(dev);
unsigned long flags;

- dev = pci_get_drvdata (pdev);
- cp = netdev_priv(dev);
+ if (!netif_running(dev))
+ return 0;

netif_device_attach (dev);
-
- if (cp->pdev && cp->wol_enabled) {
- pci_set_power_state (cp->pdev, PCI_D0);
- pci_restore_state (cp->pdev);
- }
-
+
+ pci_set_power_state(pdev, PCI_D0);
+ pci_restore_state(pdev);
+ pci_enable_wake(pdev, PCI_D0, 0);
+
+ /* FIXME: sh*t may happen if the Rx ring buffer is depleted */
+ cp_init_rings_index (cp);
cp_init_hw (cp);
netif_start_queue (dev);

diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index c2d5907..ed1f837 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -1106,6 +1106,9 @@ static void velocity_free_rd_ring(struct

for (i = 0; i < vptr->options.numrx; i++) {
struct velocity_rd_info *rd_info = &(vptr->rd_info[i]);
+ struct rx_desc *rd = vptr->rd_ring + i;
+
+ memset(rd, 0, sizeof(*rd));

if (!rd_info->skb)
continue;
-
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