usb: gadget: ci13xxx_pci: guard against devices without driver_data
Don't try to initialize devices that don't have driver_data assigned to their pci ids. Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -51,6 +51,11 @@ static int __devinit ci13xxx_pci_probe(struct pci_dev *pdev,
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struct resource res[3];
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int retval = 0, nres = 2;
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if (!driver) {
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dev_err(&pdev->dev, "device doesn't provide driver data\n");
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return -ENODEV;
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}
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retval = pci_enable_device(pdev);
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if (retval)
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goto done;
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