sqlite3: add sanity checking

Nullify sqlite3 handler at deinit.

diff --git a/output/sqlite3/ulogd_output_SQLITE3.c b/output/sqlite3/ulogd_output_SQLITE3.c
index f9f2462c981cd0266cd092615ead021ebeee63e9..5c49055436dc4aec50d25e3f64203fe2ef5993c9 100644 (file)
--- a/output/sqlite3/ulogd_output_SQLITE3.c
+++ b/output/sqlite3/ulogd_output_SQLITE3.c
@@ -431,6 +431,8 @@ sqlite3_stop(struct ulogd_pluginstance *pi)
 
        sqlite3_close(priv->dbh);
 
+       priv->dbh = NULL;
+
        return 0;
 }