util/PeakBuffer: fix nullptr dereference when peak_size==0

fe7cda57 · Max Kellermann · a3f9abcb · fe7cda57
Commit fe7cda57 authored Jan 14, 2014 by Max Kellermann
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PeakBuffer.cxx src/util/PeakBuffer.cxx +2 -1

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--- a/src/util/PeakBuffer.cxx
+++ b/src/util/PeakBuffer.cxx
@@ -122,7 +122,8 @@ PeakBuffer::Append(const void *data, size_t length)
 			return true;
 	}

-	if (peak_buffer == nullptr && peak_size > 0) {
+	if (peak_buffer == nullptr) {
+		if (peak_size > 0)
 			peak_buffer = new DynamicFifoBuffer<uint8_t>(peak_size);
 		if (peak_buffer == nullptr)
 			return false;