1175         let r = self.umount();  in drop()  localVariable
1176         if r.is_err() {  in drop()
1179                 r.unwrap_err()  in drop()
1355                 let r = f.read(  in read_at()  localVariable
1361                 return r;  in read_at()
1385                 let r = f.write(fs, &buf[0..len], offset as u64);  in write_at()  localVariable
1387                 return r;  in write_at()
1539         let r = dir.remove(guard.fs.upgrade().unwrap().clone(), name, true);  in unlink()  localVariable
1541         return r;  in unlink()
1567         let r: Result<(), i32> = dir.remove(guard.fs.upgrade().unwrap().clone(), name, true);  in rmdir()  localVariable
1568         if r.is_ok() {  in rmdir()
1569             return r;  in rmdir()
1571             let r = r.unwrap_err();  in rmdir()  localVariable
1572             if r == -(ENOTEMPTY as i32) {  in rmdir()
1577             return Err(r);  in rmdir()