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staging: android: ion_test: unregister the misc device

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Add the remove() method for deregister from misc device
when it's unloaded.

Signed-off-by: Phong Tran <tranmanphong@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Phong Tran 2015-04-03 21:07:01 +07:00 • committed by Greg Kroah-Hartman
parent a569f22007
commit 954c2d8f98
1 changed files with 12 additions and 0 deletions
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12
drivers/staging/android/ion/ion_test.c
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@ -261,7 +261,19 @@ static int __init ion_test_probe(struct platform_device *pdev)
return 0; return 0;
} }
static int ion_test_remove(struct platform_device *pdev)
{
struct ion_test_device *testdev;
testdev = platform_get_drvdata(pdev);
if (!testdev)
return -ENODATA;
return misc_deregister(&testdev->misc);
}
static struct platform_driver ion_test_platform_driver = { static struct platform_driver ion_test_platform_driver = {
.remove = ion_test_remove,
.driver = { .driver = {
.name = "ion-test", .name = "ion-test",
}, },