* [PATCH v2] media: uvcvideo: Fix uvc dev reference management
@ 2017-10-13 3:13 Jeffy Chen
0 siblings, 0 replies; only message in thread
From: Jeffy Chen @ 2017-10-13 3:13 UTC (permalink / raw)
To: linux-kernel, mchehab, laurent.pinchart, hans.verkuil
Cc: Jeffy Chen, Mauro Carvalho Chehab, linux-media
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@rock-chips.com>
---
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
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2017-10-13 3:13 [PATCH v2] media: uvcvideo: Fix uvc dev reference management Jeffy Chen
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