[PATCH v2] media: uvcvideo: Fix uvc dev reference management

From: Jeffy Chen
Date: Thu Oct 12 2017 - 23:13:59 EST


Remove the kref_get() in uvc_register_video(), which is not needed as
the kref_init() already initializes refcount to 1 for us.

Fixes: 9d15cd958c17 ("media: uvcvideo: Convert from using an atomic variable to a reference count")
Signed-off-by: Jeffy Chen <jeffy.chen@xxxxxxxxxxxxxx>
---

Changes in v2:
Rewrite commit message.

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

diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index 6d22b22cb35b..dd6106411eb0 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -1939,7 +1939,6 @@ static int uvc_register_video(struct uvc_device *dev,
else
stream->chain->caps |= V4L2_CAP_VIDEO_OUTPUT;

- kref_get(&dev->ref);
return 0;
}

--
2.11.0