[PATCH] [media] uvcvideo: Only register media dev if MEDIA_CONTROLLER is defined

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Commit 1590ad7b5271 ("[media] media-device: split media initialization
and registration") split the media dev initialization and registration
but introduced a build error since media_device_register() was called
unconditionally even when the MEDIA_CONTROLLER config was not enabled:

from drivers/media/usb/uvc/uvc_driver.c:14:
   drivers/media/usb/uvc/uvc_driver.c: In function 'uvc_probe':
   drivers/media/usb/uvc/uvc_driver.c:1960:32: error: 'struct uvc_device' has no member named 'mdev'
     if (media_device_register(&dev->mdev) < 0)

Fixes: 1590ad7b5271 ("[media] media-device: split media initialization and registration")
Reported-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>

---

 drivers/media/usb/uvc/uvc_driver.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index ddf035a23e3a..599390325c09 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -1957,10 +1957,11 @@ static int uvc_probe(struct usb_interface *intf,
 	if (uvc_register_chains(dev) < 0)
 		goto error;
 
+#ifdef CONFIG_MEDIA_CONTROLLER
 	/* Register the media device node */
 	if (media_device_register(&dev->mdev) < 0)
 		goto error;
-
+#endif
 	/* Save our data pointer in the interface data. */
 	usb_set_intfdata(intf, dev);
 
-- 
2.4.3

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