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8139cp: fix VLAN unregistration

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The 8139cp driver did VLAN unregistration incorrectly.
It disables VLAN completely when the first VID is unregistered. It
should instead disable VLAN when the group is unregistered by calling
cp_vlan_rx_register with a NULL grp.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Stephen Hemminger 2007-06-01 09:43:59 -07:00 committed by Jeff Garzik
parent 3d4e66f5cd
commit 7b332244a6
1 changed files with 4 additions and 13 deletions
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15
drivers/net/8139cp.c
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@ -435,20 +435,12 @@ static void cp_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
spin_lock_irqsave(&cp->lock, flags);
cp->vlgrp = grp;
if (grp)
cp->cpcmd |= RxVlanOn;
cpw16(CpCmd, cp->cpcmd);
spin_unlock_irqrestore(&cp->lock, flags);
}
static void cp_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
{
struct cp_private *cp = netdev_priv(dev);
unsigned long flags;
spin_lock_irqsave(&cp->lock, flags);
else
cp->cpcmd &= ~RxVlanOn;
cpw16(CpCmd, cp->cpcmd);
vlan_group_set_device(cp->vlgrp, vid, NULL);
spin_unlock_irqrestore(&cp->lock, flags);
}
#endif /* CP_VLAN_TAG_USED */
@ -1944,7 +1936,6 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
#if CP_VLAN_TAG_USED
dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
dev->vlan_rx_register = cp_vlan_rx_register;
dev->vlan_rx_kill_vid = cp_vlan_rx_kill_vid;
#endif
if (pci_using_dac)