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usb: gadget: ci13xxx_pci: guard against devices without driver_data

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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>
This commit is contained in:
Alexander Shishkin 2012-05-11 17:25:40 +03:00 committed by Greg Kroah-Hartman
parent 6286d85e8e
commit 1989b5ceb5
1 changed files with 5 additions and 0 deletions
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5
drivers/usb/gadget/ci13xxx_pci.c
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@ -51,6 +51,11 @@ static int __devinit ci13xxx_pci_probe(struct pci_dev *pdev,
struct resource res[3];
int retval = 0, nres = 2;
if (!driver) {
dev_err(&pdev->dev, "device doesn't provide driver data\n");
return -ENODEV;
}
retval = pci_enable_device(pdev);
if (retval)
goto done;