bugfix: close IPv4 socket if opening IPv6 connection creates an error

muesli · Feb 23, 2018 · bc6d8f3 · bc6d8f3
1 parent 9bcace4
commit bc6d8f3
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/pinger.go b/pinger.go
@@ -43,6 +43,9 @@ func New(bind4, bind6 string) (*Pinger, error) {
 
 	conn6, err := connectICMP("ip6:ipv6-icmp", bind6)
 	if err != nil {
+		if conn4 != nil {
+			conn4.Close()
+		}
 		return nil, err
 	}