4.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Vladimir Zapolskiy <vz@xxxxxxxxx>
commit ccbc2a9e7878ff09bcaed4893c2a2d3adbb797e2 upstream.
On error platform_device_register_simple() returns ERR_PTR() value,
check for NULL always fails. The change corrects the check itself and
propagates the returned error upwards.
Fixes: 81fb0b901397 ("staging: android: ion_test: unregister the platform device")
Signed-off-by: Vladimir Zapolskiy <vz@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/android/ion/ion_test.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/staging/android/ion/ion_test.c
+++ b/drivers/staging/android/ion/ion_test.c
@@ -285,8 +285,8 @@ static int __init ion_test_init(void)
{
ion_test_pdev = platform_device_register_simple("ion-test",
-1, NULL, 0);
- if (!ion_test_pdev)
- return -ENODEV;
+ if (IS_ERR(ion_test_pdev))
+ return PTR_ERR(ion_test_pdev);
return platform_driver_probe(&ion_test_platform_driver, ion_test_probe);
}
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