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Access hash entry before freeing it, not after.

This commit is contained in:
Tom Lane 2010-01-06 22:27:09 +00:00
parent 87ac6e72cc
commit 64b9c850e9
1 changed files with 6 additions and 4 deletions
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10
src/backend/utils/cache/spccache.c vendored
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@ -12,7 +12,7 @@
* Portions Copyright (c) 1994, Regents of the University of California * Portions Copyright (c) 1994, Regents of the University of California
* *
* IDENTIFICATION * IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/cache/spccache.c,v 1.1 2010/01/05 21:53:59 rhaas Exp $ * $PostgreSQL: pgsql/src/backend/utils/cache/spccache.c,v 1.2 2010/01/06 22:27:09 tgl Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -54,11 +54,13 @@ InvalidateTableSpaceCacheCallback(Datum arg, int cacheid, ItemPointer tuplePtr)
hash_seq_init(&status, TableSpaceCacheHash); hash_seq_init(&status, TableSpaceCacheHash);
while ((spc = (TableSpace *) hash_seq_search(&status)) != NULL) while ((spc = (TableSpace *) hash_seq_search(&status)) != NULL)
{ {
if (hash_search(TableSpaceCacheHash, (void *) &spc->oid, HASH_REMOVE,
NULL) == NULL)
elog(ERROR, "hash table corrupted");
if (spc->opts) if (spc->opts)
pfree(spc->opts); pfree(spc->opts);
if (hash_search(TableSpaceCacheHash,
(void *) &spc->oid,
HASH_REMOVE,
NULL) == NULL)
elog(ERROR, "hash table corrupted");
} }
} }