redonkable/alistair23-linux
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[media] coda: Call v4l2_device_unregister() from a single location

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Instead of calling v4l2_device_unregister() in multiple locations within the
error paths, let's call it from a single location to make the error handling
simpler.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Fabio Estevam 2014-10-04 16:40:50 -03:00 committed by Mauro Carvalho Chehab
parent ed3da2bf2e
commit b7bd660a51
1 changed files with 12 additions and 8 deletions
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20
drivers/media/platform/coda/coda-common.c
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@ -2035,12 +2035,14 @@ static int coda_probe(struct platform_device *pdev)
pdev_id = of_id ? of_id->data : platform_get_device_id(pdev);
if (of_id)
if (of_id) {
dev->devtype = of_id->data;
else if (pdev_id)
} else if (pdev_id) {
dev->devtype = &coda_devdata[pdev_id->driver_data];
else
return -EINVAL;
} else {
ret = -EINVAL;
goto err_v4l2_register;
}
spin_lock_init(&dev->irqlock);
INIT_LIST_HEAD(&dev->instances);
@ -2120,8 +2122,7 @@ static int coda_probe(struct platform_device *pdev)
dev->debugfs_root);
if (ret < 0) {
dev_err(&pdev->dev, "failed to allocate work buffer\n");
v4l2_device_unregister(&dev->v4l2_dev);
return ret;
goto err_v4l2_register;
}
}
@ -2131,8 +2132,7 @@ static int coda_probe(struct platform_device *pdev)
dev->debugfs_root);
if (ret < 0) {
dev_err(&pdev->dev, "failed to allocate temp buffer\n");
v4l2_device_unregister(&dev->v4l2_dev);
return ret;
goto err_v4l2_register;
}
}
@ -2167,6 +2167,10 @@ static int coda_probe(struct platform_device *pdev)
pm_runtime_enable(&pdev->dev);
return coda_firmware_request(dev);
err_v4l2_register:
v4l2_device_unregister(&dev->v4l2_dev);
return ret;
}
static int coda_remove(struct platform_device *pdev)