Move random_bytes declaration to where it's needed.

Author: waterson

lightning/src/ln/channelmanager.rs

@@ -5327,9 +5327,6 @@ where
 			return Err(MsgHandleErrInternal::send_err_msg_no_close("No inbound channels accepted".to_owned(), msg.temporary_channel_id.clone()));
 		}
 
-		let mut random_bytes = [0u8; 16];
-		random_bytes.copy_from_slice(&self.entropy_source.get_secure_random_bytes()[..16]);
-
 		// Get the number of peers with channels, but without funded ones. We don't care too much
 		// about peers that never open a channel, so we filter by peers that have at least one
 		// channel, and then limit the number of those with unfunded channels.
@@ -5388,6 +5385,8 @@ where
 		}
 
 		// Otherwise create the channel right now.
+		let mut random_bytes = [0u8; 16];
+		random_bytes.copy_from_slice(&self.entropy_source.get_secure_random_bytes()[..16]);
 		let user_channel_id = u128::from_be_bytes(random_bytes);
 		let mut channel = match InboundV1Channel::new(&self.fee_estimator, &self.entropy_source, &self.signer_provider,
 			counterparty_node_id.clone(), &self.channel_type_features(), &peer_state.latest_features, msg, user_channel_id,