- memset(&lum, 0, sizeof(lum));
- lum.handle = data->handle;
- lum.cmd = LTTNG_UST_RELEASE;
- ret = ustcomm_send_app_cmd(sock, &lum, &lur);
- assert(!ret);
+ if (sock >= 0) {
+ memset(&lum, 0, sizeof(lum));
+ lum.handle = data->handle;
+ lum.cmd = LTTNG_UST_RELEASE;
+ ret = ustcomm_send_app_cmd(sock, &lum, &lur);
+ assert(!ret);
+ }