block: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO

---
 block/blk-timeout.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
 
diff --git a/block/blk-timeout.c b/block/blk-timeout.c
index 655ba90..abf725c 100644
--- a/block/blk-timeout.c
+++ b/block/blk-timeout.c
@@ -31,7 +31,7 @@ static int __init fail_io_timeout_debugfs(void)
 	struct dentry *dir = fault_create_debugfs_attr("fail_io_timeout",
 						NULL, &fail_io_timeout);
 
-	return IS_ERR(dir) ? PTR_ERR(dir) : 0;
+	return PTR_ERR_OR_ZERO(dir);
 }
 
 late_initcall(fail_io_timeout_debugfs);