bugfix: avoid underflow in numerical condition

diff --git a/HLT/BASE/util/AliHLTRawReaderPublisherComponent.cxx b/HLT/BASE/util/AliHLTRawReaderPublisherComponent.cxx
index 264711877dfaf17638ada8d62f22a40e603eea52..863f1934f8083ffc1ecc7fb9640ca17ff74c2c5e 100644 (file)
--- a/HLT/BASE/util/AliHLTRawReaderPublisherComponent.cxx
+++ b/HLT/BASE/util/AliHLTRawReaderPublisherComponent.cxx
@@ -248,7 +248,7 @@ int AliHLTRawReaderPublisherComponent::GetEvent(const AliHLTComponentEventData&
        continue;
       }
       processedIds.push_back(id);
-      if (readSize<=size-offset) {
+      if (readSize+offset<=size) {
        memcpy(outputPtr+offset, pHeader, sizeof(AliRawDataHeader));
        if (readSize>sizeof(AliRawDataHeader)) {
          if (!pRawReader->ReadNext(outputPtr+offset+sizeof(AliRawDataHeader), readSize-sizeof(AliRawDataHeader))) {