This is a note to let you know that I've just added the patch titled driver core: test_async: fix an error code to the 5.15-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: driver-core-test_async-fix-an-error-code.patch and it can be found in the queue-5.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 6744de60b4324f85bea711045e1e9bab2cc96a44 Author: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Date: Tue Jul 18 10:03:49 2023 +0300 driver core: test_async: fix an error code [ Upstream commit 22d2381bbd70a5853c2ee77522f4965139672db9 ] The test_platform_device_register_node() function should return error pointers instead of NULL. That is what the callers are expecting. Fixes: 57ea974fb871 ("driver core: Rewrite test_async_driver_probe to cover serialization and NUMA affinity") Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Link: https://lore.kernel.org/r/1e11ed19-e1f6-43d8-b352-474134b7c008@moroto.mountain Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/base/test/test_async_driver_probe.c b/drivers/base/test/test_async_driver_probe.c index c157a912d6739..88336f093decd 100644 --- a/drivers/base/test/test_async_driver_probe.c +++ b/drivers/base/test/test_async_driver_probe.c @@ -84,7 +84,7 @@ test_platform_device_register_node(char *name, int id, int nid) pdev = platform_device_alloc(name, id); if (!pdev) - return NULL; + return ERR_PTR(-ENOMEM); if (nid != NUMA_NO_NODE) set_dev_node(&pdev->dev, nid);