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

From: Javier Martinez Canillas
Date: Mon Dec 21 2015 - 08:36:43 EST


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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