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[media] mem2mem_testdev: Use devm_kzalloc() in probe

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devm_kzalloc() makes error handling and cleanup simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Sachin Kamat 2012-09-24 02:17:48 -03:00 committed by Mauro Carvalho Chehab
parent 26fdcf0980
commit 38a7996cbb
1 changed files with 2 additions and 5 deletions
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7
drivers/media/platform/mem2mem_testdev.c
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@ -1019,7 +1019,7 @@ static int m2mtest_probe(struct platform_device *pdev)
struct video_device *vfd;
int ret;
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
if (!dev)
return -ENOMEM;
@ -1027,7 +1027,7 @@ static int m2mtest_probe(struct platform_device *pdev)
ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev);
if (ret)
goto free_dev;
return ret;
atomic_set(&dev->num_inst, 0);
mutex_init(&dev->dev_mutex);
@ -1073,8 +1073,6 @@ rel_vdev:
video_device_release(vfd);
unreg_dev:
v4l2_device_unregister(&dev->v4l2_dev);
free_dev:
kfree(dev);
return ret;
}
@ -1089,7 +1087,6 @@ static int m2mtest_remove(struct platform_device *pdev)
del_timer_sync(&dev->timer);
video_unregister_device(dev->vfd);
v4l2_device_unregister(&dev->v4l2_dev);
kfree(dev);
return 0;
}