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Commit5cd6538

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Add missing ReleaseBuffer call in BRIN revmap code
I think this particular branch is actually dead, but the analysis toprove that is not trivial, so instead take the weasel way.Reported by Jinyu ZhangBackpatch to 9.5, where BRIN was introduced.
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‎src/backend/access/brin/brin_revmap.c

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Original file line numberDiff line numberDiff line change
@@ -432,6 +432,7 @@ revmap_physical_extend(BrinRevmap *revmap)
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if (needLock)
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UnlockRelationForExtension(irel,ExclusiveLock);
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LockBuffer(revmap->rm_metaBuf,BUFFER_LOCK_UNLOCK);
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ReleaseBuffer(buf);
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return;
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}
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LockBuffer(buf,BUFFER_LOCK_EXCLUSIVE);

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