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path: root/drivers/net/can/sja1000/peak_pci.c
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Diffstat (limited to 'drivers/net/can/sja1000/peak_pci.c')
-rw-r--r--drivers/net/can/sja1000/peak_pci.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/net/can/sja1000/peak_pci.c b/drivers/net/can/sja1000/peak_pci.c
index 214795945bc..5192f861525 100644
--- a/drivers/net/can/sja1000/peak_pci.c
+++ b/drivers/net/can/sja1000/peak_pci.c
@@ -98,7 +98,7 @@ static int __devinit peak_pci_probe(struct pci_dev *pdev,
{
struct sja1000_priv *priv;
struct peak_pci_chan *chan;
- struct net_device *dev;
+ struct net_device *dev, *prev_dev;
void __iomem *cfg_base, *reg_base;
u16 sub_sys_id, icr;
int i, err, channels;
@@ -213,11 +213,13 @@ failure_remove_channels:
/* Disable interrupts */
writew(0x0, cfg_base + PITA_ICR + 2);
- for (dev = pci_get_drvdata(pdev); dev; dev = chan->prev_dev) {
- unregister_sja1000dev(dev);
- free_sja1000dev(dev);
+ for (dev = pci_get_drvdata(pdev); dev; dev = prev_dev) {
priv = netdev_priv(dev);
chan = priv->priv;
+ prev_dev = chan->prev_dev;
+
+ unregister_sja1000dev(dev);
+ free_sja1000dev(dev);
}
pci_iounmap(pdev, reg_base);
@@ -247,10 +249,12 @@ static void __devexit peak_pci_remove(struct pci_dev *pdev)
/* Loop over all registered devices */
while (1) {
+ struct net_device *prev_dev = chan->prev_dev;
+
dev_info(&pdev->dev, "removing device %s\n", dev->name);
unregister_sja1000dev(dev);
free_sja1000dev(dev);
- dev = chan->prev_dev;
+ dev = prev_dev;
if (!dev)
break;
priv = netdev_priv(dev);