errormsg may be NULL

diff --git a/src/modules/rlm_sql/drivers/rlm_sql_postgresql/sql_postgresql.c b/src/modules/rlm_sql/drivers/rlm_sql_postgresql/sql_postgresql.c
index 21f4850adb4710ddae34507f13c3e38c40fe1a05..22c045fb65ec09947db7855770589f591dcc256a 100644 (file)
--- a/src/modules/rlm_sql/drivers/rlm_sql_postgresql/sql_postgresql.c
+++ b/src/modules/rlm_sql/drivers/rlm_sql_postgresql/sql_postgresql.c
@@ -275,6 +275,9 @@ static int sql_query(SQLSOCK * sqlsocket, SQL_CONFIG *config, char *querystr) {
 
                                errorcode = PQresultErrorField(pg_sock->result, PG_DIAG_SQLSTATE);
                                errormsg  = PQresultErrorField(pg_sock->result, PG_DIAG_MESSAGE_PRIMARY);
+
+                               if (!errormsg) errormsg = "FATAL ERROR";
+
                                radlog(L_DBG, "rlm_sql_postgresql: Error %s", errormsg);
                                return check_fatal_error(errorcode);
 #endif