From d40a466599d34195679c618c7f222ce10b2e373e Mon Sep 17 00:00:00 2001
From: Matthias Prinke <83612361+matthias-bs@users.noreply.github.com>
Date: Mon, 9 Oct 2023 04:01:45 +0200
Subject: [PATCH] Removed assumption regarding null-bytes

---
 src/devices/bresser_leakage.c | 14 ++------------
 1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/src/devices/bresser_leakage.c b/src/devices/bresser_leakage.c
index e7634e600..c24bff809 100644
--- a/src/devices/bresser_leakage.c
+++ b/src/devices/bresser_leakage.c
@@ -78,7 +78,6 @@ static int bresser_leakage_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     int alarm;
     int no_alarm;
     int decode_ok;
-    uint8_t null_bytes;
 
     if (bitbuffer->num_rows != 1
             || bitbuffer->bits_per_row[0] < 160
@@ -122,19 +121,10 @@ static int bresser_leakage_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     alarm         = ((msg[7] & 0x80) == 0x80) ? 1 : 0;
     no_alarm      = ((msg[7] & 0x40) == 0x40) ? 1 : 0;
 
-    null_bytes = msg[7] & 0xF;
-
-    for (int i=8; i<=15; i++) {
-        null_bytes |= msg[i];
-    }
-
-    // The parity/checksum/digest algorithm is currently unknown.
-    // We apply some heuristics to validate that the message is really from
-    // a water leakage sensor.
+    // Sanity checks
     decode_ok = (s_type == SENSOR_TYPE_LEAKAGE) &&
             (alarm != no_alarm) &&
-            (chan != 0) &&
-            (null_bytes == 0);
+            (chan != 0);
 
    if (!decode_ok)
        return 0;