nullptr check added

This commit is contained in:
Robin Müller 2020-12-22 13:29:06 +01:00
parent 356bd2717e
commit 4c41e36044

View File

@ -59,6 +59,11 @@ uint16_t PoolDataSetBase::getFillCount() const {
ReturnValue_t PoolDataSetBase::readVariable(uint16_t count) { ReturnValue_t PoolDataSetBase::readVariable(uint16_t count) {
ReturnValue_t result = HasReturnvaluesIF::RETURN_OK; ReturnValue_t result = HasReturnvaluesIF::RETURN_OK;
if(registeredVariables[count] == nullptr) {
// configuration error.
return HasReturnvaluesIF::RETURN_FAILED;
}
// These checks are often performed by the respective // These checks are often performed by the respective
// variable implementation too, but I guess a double check does not hurt. // variable implementation too, but I guess a double check does not hurt.
if (registeredVariables[count]->getReadWriteMode() != if (registeredVariables[count]->getReadWriteMode() !=