From 7d24772beec61baf1566889fb70b0556b66e5ad5 Mon Sep 17 00:00:00 2001
From: Andreas Kreuzmann <andreas.kreuzmann@sensirion.com>
Date: Wed, 19 Aug 2020 16:12:27 +0200
Subject: [PATCH] Fixed overflow bug by casting to int32_t

---
 sfm-common/sfm_common.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sfm-common/sfm_common.c b/sfm-common/sfm_common.c
index 997fdcb..ab923a3 100644
--- a/sfm-common/sfm_common.c
+++ b/sfm-common/sfm_common.c
@@ -107,7 +107,7 @@ int16_t sfm_common_convert_flow_float(const SfmConfig* sfm_config,
     }
 
     *flow =
-        (flow_raw - sfm_config->flow_offset) / (float)(sfm_config->flow_scale);
+        ((int32_t)flow_raw - (int32_t)sfm_config->flow_offset) / (float)(sfm_config->flow_scale);
 
     return 0;
 }