[media] go7007: fix return 0 for unsupported devices in go7007_usb_probe()

probe() should not return 0 for unsupported devices, but go7007_usb_probe() does.
The patch fixes it to return -ENODEV.
Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/staging/media/go7007/go7007-usb.c b/drivers/staging/media/go7007/go7007-usb.c
index 50066e01a6ed..46ed83245035 100644
--- a/drivers/staging/media/go7007/go7007-usb.c
+++ b/drivers/staging/media/go7007/go7007-usb.c
@@ -1124,7 +1124,7 @@ static int go7007_usb_probe(struct usb_interface *intf,
         case GO7007_BOARDID_LIFEVIEW_LR192:
                 printk(KERN_ERR "go7007-usb: The Lifeview TV Walker Ultra "
                                 "is not supported.  Sorry!\n");
-                return 0;
+                return -ENODEV;
                 name = "Lifeview TV Walker Ultra";
                 board = &board_lifeview_lr192;
                 break;
@@ -1140,7 +1140,7 @@ static int go7007_usb_probe(struct usb_interface *intf,
         default:
                 printk(KERN_ERR "go7007-usb: unknown board ID %d!\n",
                                 (unsigned int)id->driver_info);
-                return 0;
+                return -ENODEV;
         }
 
         go = go7007_alloc(&board->main_info, &intf->dev);