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kunit: debugfs: Use IS_ERR() for alloc_string_stream() error check

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The alloc_string_stream() function only returns ERR_PTR(-ENOMEM) on
failure and never returns NULL. Therefore, switching the error check in
the caller from IS_ERR_OR_NULL to IS_ERR improves clarity, indicating
that this function will return an error pointer (not NULL) when an
error occurs. This change avoids any ambiguity regarding the function's
return behavior.

Link: https://lore.kernel.org/lkml/Zy9deU5VK3YR+r9N@visitorckw-System-Product-Name
Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Kuan-Wei Chiu 2024-11-15 00:55:58 +08:00 committed by Shuah Khan
parent 435c20eed5
commit 95b6d723a0
1 changed files with 2 additions and 2 deletions
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4
lib/kunit/debugfs.c
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@ -181,7 +181,7 @@ void kunit_debugfs_create_suite(struct kunit_suite *suite)
* successfully.
*/
stream = alloc_string_stream(GFP_KERNEL);
if (IS_ERR_OR_NULL(stream))
if (IS_ERR(stream))
return;
string_stream_set_append_newlines(stream, true);
@ -189,7 +189,7 @@ void kunit_debugfs_create_suite(struct kunit_suite *suite)
kunit_suite_for_each_test_case(suite, test_case) {
stream = alloc_string_stream(GFP_KERNEL);
if (IS_ERR_OR_NULL(stream))
if (IS_ERR(stream))
goto err;
string_stream_set_append_newlines(stream, true);