media: omap3isp: drop the use count of v4l2 pipeline

commit 9da49bd upstream.

In isp_video_open(), drop the use count of v4l2
pipeline if vb2_queue_init() fails.

Fixes: 8fd390b ("media: Split v4l2_pipeline_pm_use into v4l2_pipeline_pm_{get, put}")
Cc: stable@vger.kernel.org
Signed-off-by: Haoxiang Li <lihaoxiang@isrc.iscas.ac.cn>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: Haoxiang Li

drivers/media/platform/ti/omap3isp/ispvideo.c

@@ -1324,6 +1324,7 @@ static int isp_video_open(struct file *file)
 
 	ret = vb2_queue_init(&handle->queue);
 	if (ret < 0) {
+		v4l2_pipeline_pm_put(&video->video.entity);
 		omap3isp_put(video->isp);
 		goto done;
 	}