fix some small mem leaks

src/mod/endpoints/mod_sofia/sofia_glue.c

@@ -4920,6 +4920,7 @@ int sofia_glue_init_sql(sofia_profile_t *profile)
 			switch_odbc_handle_exec(odbc_dbh, dialog_sql, NULL, NULL);
 		}
 
+		free(test_sql);
 		test_sql = switch_mprintf("delete from sip_presence where hostname='%q' ", mod_sofia_globals.hostname);
 
 		if (switch_odbc_handle_exec(odbc_dbh, test_sql, NULL, NULL) != SWITCH_ODBC_SUCCESS) {

src/switch_channel.c

@@ -536,6 +536,9 @@ SWITCH_DECLARE(void) switch_channel_uninit(switch_channel_t *channel)
 		switch_safe_free(pop);
 	}
 	switch_core_hash_destroy(&channel->private_hash);
+	if (channel->app_flag_hash) {
+		switch_core_hash_destroy(&channel->app_flag_hash);
+	}
 	switch_mutex_lock(channel->profile_mutex);
 	switch_event_destroy(&channel->variables);
 	switch_mutex_unlock(channel->profile_mutex);

src/switch_core_sqldb.c

@@ -425,11 +425,7 @@ static switch_status_t switch_cache_db_execute_sql_real(switch_cache_db_handle_t
 	switch (dbh->type) {
 	case SCDB_TYPE_ODBC:
 		{
-			switch_odbc_statement_handle_t stmt = NULL;
-			if ((status = switch_odbc_handle_exec(dbh->native_handle.odbc_dbh, sql, &stmt, NULL)) != SWITCH_STATUS_SUCCESS) {
-				errmsg = switch_odbc_handle_get_error(dbh->native_handle.odbc_dbh, stmt);
-			}
-			switch_odbc_statement_handle_free(&stmt);
+			status = switch_odbc_handle_exec(dbh->native_handle.odbc_dbh, sql, NULL, &errmsg);
 		}
 		break;
 	case SCDB_TYPE_CORE_DB:

src/switch_odbc.c

@@ -160,6 +160,11 @@ static int db_is_up(switch_odbc_handle_t *handle)
 		strcpy((char *) sql, "select 1");
 	}
 
+	if (stmt) {
+		SQLFreeHandle(SQL_HANDLE_STMT, stmt);
+		stmt = NULL;
+	}
+
 	if (SQLAllocHandle(SQL_HANDLE_STMT, handle->con, &stmt) != SQL_SUCCESS) {
 		code = __LINE__;
 		goto error;
@@ -370,12 +375,12 @@ SWITCH_DECLARE(switch_odbc_status_t) switch_odbc_handle_exec_string(switch_odbc_
 		SQLGetData(stmt, 1, SQL_C_CHAR, (SQLCHAR *) resbuf, (SQLLEN) len, NULL);
 
 		sstatus = SWITCH_ODBC_SUCCESS;
-	} else {
-		return sstatus;
 	}
 
-  done:
+	done:
+
 	switch_odbc_statement_handle_free(&stmt);
+
 	return sstatus;
 #else
 	return SWITCH_ODBC_FAIL;