staging: lustre: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO

---
 drivers/staging/lustre/lustre/fid/fid_request.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
 
diff --git a/drivers/staging/lustre/lustre/fid/fid_request.c b/drivers/staging/lustre/lustre/fid/fid_request.c
index 66007b5..79fc2fe 100644
--- a/drivers/staging/lustre/lustre/fid/fid_request.c
+++ b/drivers/staging/lustre/lustre/fid/fid_request.c
@@ -548,9 +548,7 @@ static int __init fid_mod_init(void)
 	seq_type_proc_dir = lprocfs_register(LUSTRE_SEQ_NAME,
 					     proc_lustre_root,
 					     NULL, NULL);
-	if (IS_ERR(seq_type_proc_dir))
-		return PTR_ERR(seq_type_proc_dir);
-	return 0;
+	return PTR_ERR_OR_ZERO(seq_type_proc_dir);
 }
 
 static void __exit fid_mod_exit(void)