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[media] s5p-fimc: Fix platform entities registration 

Make sure the platform sub-devices are registered to the media
device driver only when v4l2_device_register_subdev() succeeds.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Sylwester Nawrocki 2012-10-25 10:48:44 -03:00 committed by Mauro Carvalho Chehab
parent 02924ca458
commit afd7348c60
1 changed files with 16 additions and 17 deletions
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33
drivers/media/platform/s5p-fimc/fimc-mdevice.c
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@ -345,25 +345,23 @@ static int fimc_register_callback(struct device *dev, void *p)
struct fimc_dev *fimc = dev_get_drvdata(dev);
struct v4l2_subdev *sd = &fimc->vid_cap.subdev;
struct fimc_md *fmd = p;
int ret = 0;
int ret;
if (!fimc || !fimc->pdev)
if (fimc == NULL || fimc->id >= FIMC_MAX_DEVS)
return 0;
if (fimc->pdev->id < 0 || fimc->pdev->id >= FIMC_MAX_DEVS)
return 0;
fimc->pipeline_ops = &fimc_pipeline_ops;
fmd->fimc[fimc->pdev->id] = fimc;
sd->grp_id = FIMC_GROUP_ID;
ret = v4l2_device_register_subdev(&fmd->v4l2_dev, sd);
if (ret) {
v4l2_err(&fmd->v4l2_dev, "Failed to register FIMC.%d (%d)\n",
fimc->id, ret);
return ret;
}
return ret;
fimc->pipeline_ops = &fimc_pipeline_ops;
fmd->fimc[fimc->id] = fimc;
return 0;
}
static int fimc_lite_register_callback(struct device *dev, void *p)
@ -373,14 +371,9 @@ static int fimc_lite_register_callback(struct device *dev, void *p)
struct fimc_md *fmd = p;
int ret;
if (fimc == NULL)
if (fimc == NULL || fimc->index >= FIMC_LITE_MAX_DEVS)
return 0;
if (fimc->index >= FIMC_LITE_MAX_DEVS)
return 0;
fimc->pipeline_ops = &fimc_pipeline_ops;
fmd->fimc_lite[fimc->index] = fimc;
sd->grp_id = FLITE_GROUP_ID;
ret = v4l2_device_register_subdev(&fmd->v4l2_dev, sd);
@ -388,10 +381,14 @@ static int fimc_lite_register_callback(struct device *dev, void *p)
v4l2_err(&fmd->v4l2_dev,
"Failed to register FIMC-LITE.%d (%d)\n",
fimc->index, ret);
}
return ret;
}
fimc->pipeline_ops = &fimc_pipeline_ops;
fmd->fimc_lite[fimc->index] = fimc;
return 0;
}
static int csis_register_callback(struct device *dev, void *p)
{
struct v4l2_subdev *sd = dev_get_drvdata(dev);
@ -407,10 +404,12 @@ static int csis_register_callback(struct device *dev, void *p)
v4l2_info(sd, "csis%d sd: %s\n", pdev->id, sd->name);
id = pdev->id < 0 ? 0 : pdev->id;
fmd->csis[id].sd = sd;
sd->grp_id = CSIS_GROUP_ID;
ret = v4l2_device_register_subdev(&fmd->v4l2_dev, sd);
if (ret)
if (!ret)
fmd->csis[id].sd = sd;
else
v4l2_err(&fmd->v4l2_dev,
"Failed to register CSIS subdevice: %d\n", ret);
return ret;