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| author | Noah Misch <noah@leadboat.com> | 2024-10-24 09:16:14 -0700 |
|---|---|---|
| committer | Noah Misch <noah@leadboat.com> | 2024-10-24 09:16:18 -0700 |
| commit | d34ffbaa102910490f427752fa4b28e786225e80 (patch) | |
| tree | ea26d693b4ef9bf57a49ae11e2ddf46abc9ee983 /src/backend/access | |
| parent | af4e342034d6dd17cf843612e37facabc70d3c34 (diff) | |
| download | postgresql-d34ffbaa102910490f427752fa4b28e786225e80.tar.gz postgresql-d34ffbaa102910490f427752fa4b28e786225e80.zip | |
Stop reading uninitialized memory in heap_inplace_lock().
Stop computing a never-used value. This removes the read; the read had
no functional implications. Back-patch to v12, like commit
a07e03fd8fa7daf4d1356f7cb501ffe784ea6257.
Reported by Alexander Lakhin.
Discussion: https://postgr.es/m/6c92f59b-f5bc-e58c-9bdd-d1f21c17c786@gmail.com
Diffstat (limited to 'src/backend/access')
| -rw-r--r-- | src/backend/access/heap/heapam.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/src/backend/access/heap/heapam.c b/src/backend/access/heap/heapam.c index febb38db15b..33d69641269 100644 --- a/src/backend/access/heap/heapam.c +++ b/src/backend/access/heap/heapam.c @@ -6229,10 +6229,9 @@ heap_inplace_lock(Relation relation, LockTupleMode lockmode = LockTupleNoKeyExclusive; MultiXactStatus mxact_status = MultiXactStatusNoKeyUpdate; int remain; - bool current_is_member; if (DoesMultiXactIdConflict((MultiXactId) xwait, infomask, - lockmode, ¤t_is_member)) + lockmode, NULL)) { LockBuffer(buffer, BUFFER_LOCK_UNLOCK); ret = false; |