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can: some fixes and cleanups to the initial device driver interface
This patch fixes a few errors sneaked into the initial version of the device driver interface. Signed-off-by: Wolfgang Grandegger <wg@grandegger.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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86d15cd833
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128ced8f9d
@ -477,7 +477,7 @@ int open_candev(struct net_device *dev)
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return 0;
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}
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EXPORT_SYMBOL(open_candev);
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EXPORT_SYMBOL_GPL(open_candev);
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/*
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* Common close function for cleanup before the device gets closed.
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@ -218,14 +218,12 @@ static int __devinit ems_pci_add_card(struct pci_dev *pdev,
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card->conf_addr = pci_iomap(pdev, 0, EMS_PCI_MEM_SIZE);
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if (card->conf_addr == NULL) {
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err = -ENOMEM;
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goto failure_cleanup;
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}
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card->base_addr = pci_iomap(pdev, 1, EMS_PCI_MEM_SIZE);
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if (card->base_addr == NULL) {
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err = -ENOMEM;
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goto failure_cleanup;
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}
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@ -239,7 +237,6 @@ static int __devinit ems_pci_add_card(struct pci_dev *pdev,
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ems_pci_readb(card, 3) != 0xCB ||
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ems_pci_readb(card, 4) != 0x11) {
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dev_err(&pdev->dev, "Not EMS Dr. Thomas Wuensche interface\n");
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err = -ENODEV;
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goto failure_cleanup;
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}
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@ -532,8 +532,8 @@ static int sja1000_open(struct net_device *dev)
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err = request_irq(dev->irq, &sja1000_interrupt, priv->irq_flags,
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dev->name, (void *)dev);
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if (err) {
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return -EAGAIN;
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close_candev(dev);
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return -EAGAIN;
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}
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}
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