[PATCH] lib: use PTR_ERR_OR_ZERO() to simplify code

[Xichao Zhao]

Use the standard error pointer macro to shorten the code and simplify.

Signed-off-by: Xichao Zhao <zhao.xichao@xxxxxxxx>
---
 lib/fault-inject-usercopy.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/lib/fault-inject-usercopy.c b/lib/fault-inject-usercopy.c
index 77558b6c29ca..75403ec50f49 100644
--- a/lib/fault-inject-usercopy.c
+++ b/lib/fault-inject-usercopy.c
@@ -22,10 +22,8 @@ static int __init fail_usercopy_debugfs(void)
 
 	dir = fault_create_debugfs_attr("fail_usercopy", NULL,
 					&fail_usercopy.attr);
-	if (IS_ERR(dir))
-		return PTR_ERR(dir);
 
-	return 0;
+	return PTR_ERR_OR_ZERO(dir);
 }
 
 late_initcall(fail_usercopy_debugfs);
-- 
2.34.1