usb: gadget: pch_udc: Fix wrong return value
authorTomoya MORINAGA <tomoya.rohm@gmail.com>
Thu, 12 Jan 2012 02:27:06 +0000 (11:27 +0900)
committerFelipe Balbi <balbi@ti.com>
Tue, 24 Jan 2012 09:34:24 +0000 (11:34 +0200)
ISSUE:
If the return value of pch_udc_pcd_init() is False, the return value of
this function is unsettled.
Since pch_udc_pcd_init() always returns 0, there is not actually the issue.

CAUSE:
If pch_udc_pcd_init() is True, the variable, retval, is not set for an
appropriate value.

Signed-off-by: Tomoya MORINAGA <tomoya.rohm@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
drivers/usb/gadget/pch_udc.c

index 6a44c921d13ce9f032db06c0b86b3078a346cc1f..96606b6cff4581d00e88c1fe19c6f74dab6b6f88 100644 (file)
@@ -2915,8 +2915,10 @@ static int pch_udc_probe(struct pci_dev *pdev,
        }
        pch_udc = dev;
        /* initialize the hardware */
-       if (pch_udc_pcd_init(dev))
+       if (pch_udc_pcd_init(dev)) {
+               retval = -ENODEV;
                goto finished;
+       }
        if (request_irq(pdev->irq, pch_udc_isr, IRQF_SHARED, KBUILD_MODNAME,
                        dev)) {
                dev_err(&pdev->dev, "%s: request_irq(%d) fail\n", __func__,