dnsproxy: Fix unused variable warnings

diff --git a/src/dnsproxy.c b/src/dnsproxy.c
index 1d32994..d03b734 100644 (file)
--- a/src/dnsproxy.c
+++ b/src/dnsproxy.c
@@ -215,6 +215,8 @@ static void send_response(int sk, unsigned char *buf, int len,
        hdr->arcount = 0;
 
        err = sendto(sk, buf, len, 0, to, tolen);
+       if (err < 0)
+               return;
 }
 
 static gboolean request_timeout(gpointer user_data)
@@ -238,7 +240,9 @@ static gboolean request_timeout(gpointer user_data)
                sk = g_io_channel_unix_get_fd(ifdata->udp_listener_channel);
 
                err = sendto(sk, req->resp, req->resplen, 0,
-                            &req->sa, req->sa_len);
+                                               &req->sa, req->sa_len);
+               if (err < 0)
+                       return FALSE;
        } else if (req->request && req->numserv == 0) {
                struct domain_hdr *hdr;
 
@@ -256,7 +260,7 @@ static gboolean request_timeout(gpointer user_data)
                        sk = g_io_channel_unix_get_fd(
                                                ifdata->udp_listener_channel);
                        send_response(sk, req->request, req->request_len,
-                                     &req->sa, req->sa_len, IPPROTO_UDP);
+                                       &req->sa, req->sa_len, IPPROTO_UDP);
                }
        }
 
@@ -383,6 +387,8 @@ static int ns_resolv(struct server_data *server, struct request_data *req,
                }
 
                err = send(sk, alt, req->request_len + domlen + 1, 0);
+               if (err < 0)
+                       return -EIO;
 
                req->numserv++;
        }
@@ -506,6 +512,8 @@ static gboolean udp_server_event(GIOChannel *channel, GIOCondition condition,
                return TRUE;
 
        err = forward_dns_reply(buf, len, IPPROTO_UDP);
+       if (err < 0)
+               return TRUE;
 
        return TRUE;
 }