Commitf28f930

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[3.14]gh-134885: zstd: Use Py_XSETREF (GH-134886) (GH-134922)

(cherry picked from commit45c6c48)Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>

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Lines changed: 2 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	+Fix possible crash in the:mod:`compression.zstd` module related to setting
	`2`	`+parameter types. Patch by Jelle Zijlstra.`

Lines changed: 4 additions & 7 deletions

Original file line number	Diff line number	Diff line change
`@@ -514,13 +514,10 @@ _zstd_set_parameter_types_impl(PyObject module, PyObject c_parameter_type,`
`514`	`514`	`returnNULL;`
`515`	`515`	`}`
`516`	`516`
`517`		`-Py_XDECREF(mod_state->CParameter_type);`
`518`		`-Py_INCREF(c_parameter_type);`
`519`		`-mod_state->CParameter_type= (PyTypeObject*)c_parameter_type;`
`520`		`-`
`521`		`-Py_XDECREF(mod_state->DParameter_type);`
`522`		`-Py_INCREF(d_parameter_type);`
`523`		`-mod_state->DParameter_type= (PyTypeObject*)d_parameter_type;`
	`517`	`+Py_XSETREF(`
	`518`	`+mod_state->CParameter_type, (PyTypeObject*)Py_NewRef(c_parameter_type));`
	`519`	`+Py_XSETREF(`
	`520`	`+mod_state->DParameter_type, (PyTypeObject*)Py_NewRef(d_parameter_type));`
`524`	`521`
`525`	`522`	`Py_RETURN_NONE;`
`526`	`523`	`}`

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