diff options
| author | Alexander Shishkin <alexander.shishkin@linux.intel.com> | 2012-05-11 17:25:40 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-05-11 16:35:38 -0700 |
| commit | 1989b5ceb5aa57862ed770368ae90bf44fd13198 (patch) | |
| tree | 80eeb42239d9d5520d2df7346adc8777e156732e /drivers/usb/gadget/ci13xxx_pci.c | |
| parent | 6286d85e8efdb59252d1ceb99a56fa6b0b11526c (diff) | |
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>
Diffstat (limited to 'drivers/usb/gadget/ci13xxx_pci.c')
| -rw-r--r-- | drivers/usb/gadget/ci13xxx_pci.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/gadget/ci13xxx_pci.c b/drivers/usb/gadget/ci13xxx_pci.c index c76844110e3..f075ef33834 100644 --- a/drivers/usb/gadget/ci13xxx_pci.c +++ b/drivers/usb/gadget/ci13xxx_pci.c @@ -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; |