linux-kernel - [RESEND PATCH] media: uvcvideo: Fix memory leak of uvc resources

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Message-Id: <20171009034215.7596-1-jeffy.chen@rock-chips.com>
Date:   Mon,  9 Oct 2017 11:42:15 +0800
From:   Jeffy Chen <jeffy.chen@...k-chips.com>
To:     linux-kernel@...r.kernel.org
Cc:     Jeffy Chen <jeffy.chen@...k-chips.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        linux-media@...r.kernel.org
Subject: [RESEND PATCH] media: uvcvideo: Fix memory leak of uvc resources

The refcount would be inited to 1 in kref_init(), so we don't need to
increase it at the end of uvc_register_video().

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

 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