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DPL: avoid crash on nullptr in proxy #10077

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Merged
ktf merged 1 commit into from
Oct 17, 2022
Merged

DPL: avoid crash on nullptr in proxy #10077

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5 changes: 5 additions & 0 deletions Framework/Core/src/ExternalFairMQDeviceProxy.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -479,6 +479,11 @@ DataProcessorSpec specifyExternalFairMQDeviceProxy(char const* name,
static auto countEoS = [](fair::mq::Parts& inputs) -> int {
int count = 0;
for (int msgidx = 0; msgidx < inputs.Size() / 2; ++msgidx) {
// Skip when we have nullptr for the header.
// Not sure it can actually happen, but does not hurt.
if (inputs.At(msgidx * 2).get() == nullptr) {
continue;
}
auto const sih = o2::header::get<SourceInfoHeader*>(inputs.At(msgidx * 2)->GetData());
if (sih != nullptr && sih->state == InputChannelState::Completed) {
count++;
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