fix null pointer access in display.h

11 months ago · b84391df89
1 changed files with 4 additions and 2 deletions
--- a/src/plugins/Display/Display.h
+++ b/src/plugins/Display/Display.h
@ -91,12 +91,14 @@ class Display {
        Inverter<> *iv;
        record_t<> *rec;
        bool allOff = true;
-        for (uint8_t i = 0; i < mSys->getNumInverters(); i++) {
+        uint8_t nInv = mSys->getNumInverters();
+        for (uint8_t i = 0; i < nInv; i++) {
            iv = mSys->getInverterByPos(i);
-            rec = iv->getRecordStruct(RealTimeRunData_Debug);
            if (iv == NULL)
                continue;

+            rec = iv->getRecordStruct(RealTimeRunData_Debug);
+
            if (iv->isProducing())
                nrprod++;
            else