diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 9a14485e175..b90424d2f69 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -567,7 +567,8 @@ static int prb_calc_retire_blk_tmo(struct packet_sock *po,
 		default:
 			return DEFAULT_PRB_RETIRE_TOV;
 		}
-	}
+	} else
+		return DEFAULT_PRB_RETIRE_TOV;
 
 	mbits = (blk_size_in_bytes * 8) / (1024 * 1024);