linux-kernel - [PATCH] driver core: test

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Date:   Tue, 18 Jul 2023 10:03:49 +0300
From:   Dan Carpenter <dan.carpenter@...aro.org>
To:     Alexander Duyck <alexander.h.duyck@...ux.intel.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Chen Zhongjin <chenzhongjin@...wei.com>,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [PATCH] driver core: test_async: fix an error code

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@...aro.org>
---
 drivers/base/test/test_async_driver_probe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/base/test/test_async_driver_probe.c b/drivers/base/test/test_async_driver_probe.c
index 929410d0dd6f..3465800baa6c 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);
-- 
2.39.2