diff --git a/fs/ioctl.c b/fs/ioctl.c
index e8e89ed..ac2d47e 100644
--- a/fs/ioctl.c
+++ b/fs/ioctl.c
@@ -432,7 +432,7 @@
 		else
 			error = -ENOTTY;
 	}
-	return error;
+	return error < 0 ? error : 0;
 }
 
 static int ioctl_fsfreeze(struct file *filp)