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Check families is not nullptr before using it

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When there's no benchmarks, families becomes nullptr. So before touching
it, we need to ensure families is not nullptr.
This commit is contained in:
Yusuke Suzuki 2014-02-23 20:10:50 +09:00
parent 254a6f9a78
commit 45b79c3e01
3 changed files with 3 additions and 0 deletions

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AUTHORS
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@ -14,3 +14,4 @@ Dominic Hamon <dma@stripysock.com>
Eugene Zhuk <eugene.zhuk@gmail.com>
Google Inc.
Oleksandr Sochka <sasha.sochka@gmail.com>
Yusuke Suzuki <utatane.tea@gmail.com>

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CONTRIBUTORS
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@ -28,3 +28,4 @@ Dominic Hamon <dma@stripysock.com>
Eugene Zhuk <eugene.zhuk@gmail.com>
Oleksandr Sochka <sasha.sochka@gmail.com>
Pierre Phaneuf <pphaneuf@google.com>
Yusuke Suzuki <utatane.tea@gmail.com>

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src/benchmark.cc
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@ -757,6 +757,7 @@ void Benchmark::FindBenchmarks(const std::string& spec,
}
mutex_lock l(&benchmark_mutex);
if (families == nullptr) return; // There's no families.
for (Benchmark* family : *families) {
if (family == nullptr) continue; // Family was deleted