From 75f9c58c545a1ca6a09704421c5a46c539bd83d0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mario=20H=C3=BCttel?= <mario.huettel@gmx.net>
Date: Fri, 1 Jan 2021 17:31:35 +0100
Subject: [PATCH] Fix bug: Invalid calibration loaded if no calibration is
 present on sd card

---
 stm-firmware/settings/settings-sd-card.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/stm-firmware/settings/settings-sd-card.c b/stm-firmware/settings/settings-sd-card.c
index b0cf51b..741faca 100644
--- a/stm-firmware/settings/settings-sd-card.c
+++ b/stm-firmware/settings/settings-sd-card.c
@@ -136,7 +136,9 @@ int sd_card_settings_try_load_calibration(float *sens_deviation, float *offset)
 
 	get_controller_settings_path(path, sizeof(path), "calibration");
 	p = config_parser_open_file(&parser, false, path, workbuff, sizeof(workbuff));
-	status = 0;
+
+	if (!p)
+		return status;
 	do {
 		res = config_parser_get_line(p, &entry, true);
 		if (res == CONFIG_PARSER_OK) {