From d6284b613835ddd1b250688cb7fe657119490820 Mon Sep 17 00:00:00 2001
From: Alejandro Sirgo Rica <asirgo@soleta.eu>
Date: Mon, 15 Jul 2024 10:09:02 +0200
Subject: rest: add dbi query checks in og_set_client_mode

Check if the the execution of the main SQL query is not
successfull.
---
 src/rest.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/rest.c b/src/rest.c
index 2b8fbaf..8191648 100644
--- a/src/rest.c
+++ b/src/rest.c
@@ -1337,6 +1337,14 @@ static int og_set_client_mode(struct og_dbi *dbi, const char *mac,
 
 		"WHERE ordenadores.mac='%s'", getenv("LANG"), mac);
 
+	if (!result) {
+		dbi_conn_error(dbi->conn, &msglog);
+		syslog(LOG_ERR, "failed to query database (%s:%d) %s\n",
+		       __func__, __LINE__, msglog);
+		og_dbi_close(dbi);
+		return -1;
+	}
+
 	if (dbi_result_get_numrows(result) != 1) {
 		dbi_conn_error(dbi->conn, &msglog);
 		syslog(LOG_ERR, "failed to query database (%s:%d) %s\n",
-- 
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