psycopg/psycopg2
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Fixed memory leak with large objects

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Deallocating closed large objects failed to decrement the connection
refcount. The fact the lobject is closed doesn't matter for refcount.
Issue detected by the always useful scripts/refcounter.py

With an extra bit of unrequested whitespace love.
This commit is contained in:
Daniele Varrazzo 2014-08-26 02:27:51 +01:00
parent 3dad8344c0
commit 8cf30509ad
2 changed files with 7 additions and 7 deletions
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1
NEWS
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@ -17,6 +17,7 @@ What's new in psycopg 2.5.4
PostgreSQL but not documented.
- Make sure the internal `_psycopg.so` module can be imported stand-alone
(to allow modules juggling such as the one described in :ticket:`#201`).
- Fixed memory leak with large objects (regression introduced in 2.5.3).
What's new in psycopg 2.5.3

5
psycopg/lobject_type.c
View File

@ -333,11 +333,10 @@ lobject_setup(lobjectObject *self, connectionObject *conn,
return -1;
}
Py_INCREF((PyObject*)conn);
self->conn = conn;
self->mark = conn->mark;
Py_INCREF((PyObject*)self->conn);
self->fd = -1;
self->oid = InvalidOid;
@ -358,8 +357,8 @@ lobject_dealloc(PyObject* obj)
if (self->conn && self->fd != -1) {
if (lobject_close(self) < 0)
PyErr_Print();
Py_XDECREF((PyObject*)self->conn);
}
Py_CLEAR(self->conn);
PyMem_Free(self->smode);
Dprintf("lobject_dealloc: deleted lobject object at %p, refcnt = "