From 456a7fa8cc998508b6ce89b592c2c00c0d9975e1 Mon Sep 17 00:00:00 2001
From: Andrey Volk <andywolk@gmail.com>
Date: Wed, 26 Feb 2020 01:48:40 +0400
Subject: [PATCH] [mod_pgsql,mod_mariadb] Fix scan-build warnings.

---
 src/mod/databases/mod_mariadb/mod_mariadb.c | 11 +++--------
 src/mod/databases/mod_pgsql/mod_pgsql.c     |  4 +++-
 2 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/src/mod/databases/mod_mariadb/mod_mariadb.c b/src/mod/databases/mod_mariadb/mod_mariadb.c
index 05151d4c89..cdd64ffb81 100644
--- a/src/mod/databases/mod_mariadb/mod_mariadb.c
+++ b/src/mod/databases/mod_mariadb/mod_mariadb.c
@@ -685,15 +685,10 @@ error:
 	err_str = mariadb_handle_get_error(handle);
 
 	if (zstr(err_str)) {
-		if (zstr(er)) {
-			err_str = strdup((char *)"SQL ERROR!");
-		} else {
-			err_str = er;
-		}
+		switch_safe_free(err_str);
+		err_str = (er) ? er : strdup((char *)"SQL ERROR!");
 	} else {
-		if (!zstr(er)) {
-			free(er);
-		}
+		switch_safe_free(er);
 	}
 
 	if (err_str) {
diff --git a/src/mod/databases/mod_pgsql/mod_pgsql.c b/src/mod/databases/mod_pgsql/mod_pgsql.c
index b69d54f497..a534594548 100644
--- a/src/mod/databases/mod_pgsql/mod_pgsql.c
+++ b/src/mod/databases/mod_pgsql/mod_pgsql.c
@@ -565,7 +565,9 @@ switch_status_t database_handle_exec_string(switch_database_interface_handle_t *
 		goto error;
 	}
 
-	if (result) {
+	if (!result) {
+		goto done;
+	} else {
 		switch (result->status) {
 #if POSTGRESQL_MAJOR_VERSION >= 9 && POSTGRESQL_MINOR_VERSION >= 2
 		case PGRES_SINGLE_TUPLE: