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>
This commit is contained in:
Alexander Shishkin 2012-05-11 17:25:40 +03:00 committed by Greg Kroah-Hartman
parent 6286d85e8e
commit 1989b5ceb5

View file

@ -51,6 +51,11 @@ static int __devinit ci13xxx_pci_probe(struct pci_dev *pdev,
struct resource res[3]; struct resource res[3];
int retval = 0, nres = 2; 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); retval = pci_enable_device(pdev);
if (retval) if (retval)
goto done; goto done;