[PATCH v1] lib:Fix the NULL vs IS_ERR() bug for debugfs_create_dir()

From: Yang Ruibin
Date: Wed Aug 21 2024 - 03:40:37 EST


The debugfs_create_dir() function returns error pointers.
It never returns NULL. So use IS_ERR() to check it.

Signed-off-by: Yang Ruibin <11162571@xxxxxxxx>
---
lib/test_fpu_glue.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/test_fpu_glue.c b/lib/test_fpu_glue.c
index 074f30301f29..c0596426370a 100644
--- a/lib/test_fpu_glue.c
+++ b/lib/test_fpu_glue.c
@@ -42,7 +42,7 @@ static int __init test_fpu_init(void)
return -EINVAL;

selftest_dir = debugfs_create_dir("selftest_helpers", NULL);
- if (!selftest_dir)
+ if (IS_ERR(selftest_dir))
return -ENOMEM;

debugfs_create_file_unsafe("test_fpu", 0444, selftest_dir, NULL,
--
2.34.1