linux-kernel - [PATCH] kunit: Fix a NULL vs IS

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Date: Wed, 10 Jan 2024 21:55:22 +0300
From: Dan Carpenter <dan.carpenter@...aro.org>
To: Brendan Higgins <brendan.higgins@...ux.dev>
Cc: David Gow <davidgow@...gle.com>, linux-kselftest@...r.kernel.org,
	kunit-dev@...glegroups.com, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: [PATCH] kunit: Fix a NULL vs IS_ERR() bug

The kunit_device_register() function doesn't return NULL, it returns
error pointers.  Change the KUNIT_ASSERT_NOT_NULL() to check for
ERR_OR_NULL().

Fixes: d03c720e03bd ("kunit: Add APIs for managing devices")
Signed-off-by: Dan Carpenter <dan.carpenter@...aro.org>
---
It's a pity that there isn't a KUNIT_ASSERT_NOT_ERR_PTR() macro...

 lib/kunit/kunit-test.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/kunit/kunit-test.c b/lib/kunit/kunit-test.c
index c4259d910356..f7980ef236a3 100644
--- a/lib/kunit/kunit-test.c
+++ b/lib/kunit/kunit-test.c
@@ -720,7 +720,7 @@ static void kunit_device_cleanup_test(struct kunit *test)
 	long action_was_run = 0;
 
 	test_device = kunit_device_register(test, "my_device");
-	KUNIT_ASSERT_NOT_NULL(test, test_device);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, test_device);
 
 	/* Add an action to verify cleanup. */
 	devm_add_action(test_device, test_dev_action, &action_was_run);
-- 
2.43.0