This is a note to let you know that I've just added the patch titled staging: android: ion_test: fix check of platform_device_register_simple() error code to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: staging-android-ion_test-fix-check-of-platform_device_register_simple-error-code.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From ccbc2a9e7878ff09bcaed4893c2a2d3adbb797e2 Mon Sep 17 00:00:00 2001 From: Vladimir Zapolskiy <vz@xxxxxxxxx> Date: Wed, 23 Mar 2016 00:38:43 +0200 Subject: staging: android: ion_test: fix check of platform_device_register_simple() error code 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); } Patches currently in stable-queue which might be from vz@xxxxxxxxx are queue-4.4/crypto-atmel-fix-checks-of-error-code-returned-by-devm_ioremap_resource.patch queue-4.4/crypto-ux500-fix-checks-of-error-code-returned-by-devm_ioremap_resource.patch queue-4.4/staging-android-ion_test-fix-check-of-platform_device_register_simple-error-code.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html