fix a potential nil-pointer panic. (#158)

5 years ago · 029459e4c9
1 changed files with 1 additions and 1 deletions
--- a/p2p/transport/quic/filtered_conn.go
+++ b/p2p/transport/quic/filtered_conn.go
@ -51,7 +51,7 @@ func (c *filteredConn) ReadFrom(b []byte) (n int, addr net.Addr, rerr error) {

 		connAddrs := &connAddrs{lmAddr: c.lmAddr, rmAddr: rmAddr}

-		if c.gater.InterceptAccept(connAddrs) {
+		if c.gater != nil && c.gater.InterceptAccept(connAddrs) {
 			return
 		}
 	}