From 1989b5ceb5aa57862ed770368ae90bf44fd13198 Mon Sep 17 00:00:00 2001 From: Alexander Shishkin Date: Fri, 11 May 2012 17:25:40 +0300 Subject: [PATCH] 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 Signed-off-by: Alexander Shishkin Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/ci13xxx_pci.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/usb/gadget/ci13xxx_pci.c b/drivers/usb/gadget/ci13xxx_pci.c index c76844110e36..f075ef33834f 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; -- 2.20.1