diff options
| author | Jernej Skrabec <jernej.skrabec@siol.net> | 2019-04-07 14:47:28 -0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-04-22 11:44:34 -0400 |
| commit | bac875349f8525a75760d0eee525186cb59658ea (patch) | |
| tree | f954eb76a1eeb03d6f89c258e6fd62dd4df97bfa /drivers/staging/media | |
| parent | dad7e270ba712ba1c99cd2d91018af6044447a06 (diff) | |
media: cedrus: Fix initialization order
Currently, MEDIA_IOC_G_TOPOLOGY ioctl on cedrus fails due to incorrect
initialization order. Fix that by moving video_register_device() before
v4l2_m2m_register_media_controller() and while at it, fix error path.
Reported-by: Jonas Karlman <jonas@kwiboo.se>
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Acked-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/staging/media')
| -rw-r--r-- | drivers/staging/media/sunxi/cedrus/cedrus.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.c b/drivers/staging/media/sunxi/cedrus/cedrus.c index b98add3cdedd..d0429c0e6b6b 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus.c @@ -300,7 +300,7 @@ static int cedrus_probe(struct platform_device *pdev) "Failed to initialize V4L2 M2M device\n"); ret = PTR_ERR(dev->m2m_dev); - goto err_video; + goto err_v4l2; } dev->mdev.dev = &pdev->dev; @@ -310,23 +310,23 @@ static int cedrus_probe(struct platform_device *pdev) dev->mdev.ops = &cedrus_m2m_media_ops; dev->v4l2_dev.mdev = &dev->mdev; - ret = v4l2_m2m_register_media_controller(dev->m2m_dev, vfd, - MEDIA_ENT_F_PROC_VIDEO_DECODER); - if (ret) { - v4l2_err(&dev->v4l2_dev, - "Failed to initialize V4L2 M2M media controller\n"); - goto err_m2m; - } - ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0); if (ret) { v4l2_err(&dev->v4l2_dev, "Failed to register video device\n"); - goto err_v4l2; + goto err_m2m; } v4l2_info(&dev->v4l2_dev, "Device registered as /dev/video%d\n", vfd->num); + ret = v4l2_m2m_register_media_controller(dev->m2m_dev, vfd, + MEDIA_ENT_F_PROC_VIDEO_DECODER); + if (ret) { + v4l2_err(&dev->v4l2_dev, + "Failed to initialize V4L2 M2M media controller\n"); + goto err_video; + } + ret = media_device_register(&dev->mdev); if (ret) { v4l2_err(&dev->v4l2_dev, "Failed to register media device\n"); @@ -339,10 +339,10 @@ static int cedrus_probe(struct platform_device *pdev) err_m2m_mc: v4l2_m2m_unregister_media_controller(dev->m2m_dev); -err_m2m: - v4l2_m2m_release(dev->m2m_dev); err_video: video_unregister_device(&dev->vfd); +err_m2m: + v4l2_m2m_release(dev->m2m_dev); err_v4l2: v4l2_device_unregister(&dev->v4l2_dev); |