Make clippy happy

Author: moubctez

src/enterprise/firewall/nftables/netfilter.rs

@@ -308,29 +308,26 @@ impl FirewallRule for FilterRule<'_> {
             // 1 Protocol
             // > 0 Ports
             else if !self.dest_ports.is_empty() {
-                if let Some(protocol) = self.protocols.first() {
-                    if protocol.supports_ports() {
-                        let set = new_anon_set::<InetService>(
-                            chain.get_table(),
-                            ProtoFamily::Inet,
-                            true,
-                        )?;
-                        batch.add(&set, nftnl::MsgType::Add);
-
-                        for port in self.dest_ports {
-                            add_port_to_set(set.as_ptr(), port)?;
-                        }
-
-                        // <protocol> dport {x, x-x}
-                        set.elems_iter().for_each(|elem| {
-                            batch.add(&elem, nftnl::MsgType::Add);
-                        });
-
-                        rule.add_expr(&nft_expr!(meta l4proto));
-                        rule.add_expr(&nft_expr!(cmp == *protocol as u8));
-                        rule.add_expr(protocol.as_port_payload_expr()?);
-                        rule.add_expr(&nft_expr!(lookup & set));
+                if let Some(protocol) = self.protocols.first()
+                    && protocol.supports_ports()
+                {
+                    let set =
+                        new_anon_set::<InetService>(chain.get_table(), ProtoFamily::Inet, true)?;
+                    batch.add(&set, nftnl::MsgType::Add);
+
+                    for port in self.dest_ports {
+                        add_port_to_set(set.as_ptr(), port)?;
                     }
+
+                    // <protocol> dport {x, x-x}
+                    set.elems_iter().for_each(|elem| {
+                        batch.add(&elem, nftnl::MsgType::Add);
+                    });
+
+                    rule.add_expr(&nft_expr!(meta l4proto));
+                    rule.add_expr(&nft_expr!(cmp == *protocol as u8));
+                    rule.add_expr(protocol.as_port_payload_expr()?);
+                    rule.add_expr(&nft_expr!(lookup & set));
                 }
 
                 debug!(