ffserver: unify exit path in http_server()

Signed-off-by: Reynaldo H. Verdejo Pinochet <reynaldo@osg.samsung.com>

ffserver.c

@@ -566,25 +566,21 @@ static int http_server(void)
 
     if (config.http_addr.sin_port) {
         server_fd = socket_open_listen(&config.http_addr);
-        if (server_fd < 0) {
-            av_free(poll_table);
-            return -1;
-        }
+        if (server_fd < 0)
+            goto quit;
     }
 
     if (config.rtsp_addr.sin_port) {
         rtsp_server_fd = socket_open_listen(&config.rtsp_addr);
         if (rtsp_server_fd < 0) {
-            av_free(poll_table);
             closesocket(server_fd);
-            return -1;
+            goto quit;
         }
     }
 
     if (!rtsp_server_fd && !server_fd) {
         http_log("HTTP and RTSP disabled.\n");
-        av_free(poll_table);
-        return -1;
+        goto quit;
     }
 
     http_log("FFserver started.\n");
@@ -662,8 +658,7 @@ static int http_server(void)
             ret = poll(poll_table, poll_entry - poll_table, delay);
             if (ret < 0 && ff_neterrno() != AVERROR(EAGAIN) &&
                 ff_neterrno() != AVERROR(EINTR)) {
-                av_free(poll_table);
-                return -1;
+                goto quit;
             }
         } while (ret < 0);
 
@@ -697,6 +692,10 @@ static int http_server(void)
                 new_connection(rtsp_server_fd, 1);
         }
     }
+
+quit:
+    av_free(poll_table);
+    return -1;
 }
 
 /* start waiting for a new HTTP/RTSP request */