[core] fix crash printing trace if backend is down
@@ -315,7 +315,7 @@ static void gw_proc_check_enable(gw_host * const host, gw_proc * const proc, log
log_error(errh, __FILE__, __LINE__,
"gw-server re-enabled: %s %s %hu %s",
proc->connection_name->ptr, host->host->ptr, host->port,
- host->unixsocket->ptr ? host->unixsocket->ptr : "");
+ host->unixsocket && host->unixsocket->ptr ? host->unixsocket->ptr : "");
}
static void gw_proc_waitpid_log(const gw_host * const host, const gw_proc * const proc, log_error_st * const errh, const int status) {
