usb: gadget: goku_udc: fix memory leak in goku_probe()

Memory allocated for goku_udc device is not deallocated at error
paths in goku_probe(), because gadget_release() destructor
is not registered yet.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

diff --git a/drivers/usb/gadget/udc/goku_udc.c b/drivers/usb/gadget/udc/goku_udc.c
index 1400415fe67ac863a5fafe5f4395e92c5298c710..5107987bd35382b8054d789c44546fc196c40f3d 100644 (file)
--- a/drivers/usb/gadget/udc/goku_udc.c
+++ b/drivers/usb/gadget/udc/goku_udc.c
@@ -1838,6 +1838,8 @@ static int goku_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 err:
        if (dev)
                goku_remove (pdev);
+       /* gadget_release is not registered yet, kfree explicitly */
+       kfree(dev);
        return retval;
 }