cxl fixes for v6.4-rc2

- Fix a compilation issue with DEFINE_STATIC_SRCU() in the unit tests
 
 - Fix leaking kernel memory to a root-only sysfs attribute
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Merge tag 'cxl-fixes-6.4-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl

Pull compute express link fixes from Dan Williams:

 - Fix a compilation issue with DEFINE_STATIC_SRCU() in the unit tests

 - Fix leaking kernel memory to a root-only sysfs attribute

* tag 'cxl-fixes-6.4-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
  cxl: Add missing return to cdat read error path
  tools/testing/cxl: Use DEFINE_STATIC_SRCU()

drivers/cxl/core/pci.c

@@ -571,6 +571,7 @@ void read_cdat_data(struct cxl_port *port)
 		/* Don't leave table data allocated on error */
 		devm_kfree(dev, cdat_table);
 		dev_err(dev, "CDAT data read error\n");
+		return;
 	}
 
 	port->cdat.table = cdat_table + sizeof(__le32);

tools/testing/cxl/test/mock.c

@@ -19,7 +19,7 @@ void register_cxl_mock_ops(struct cxl_mock_ops *ops)
 }
 EXPORT_SYMBOL_GPL(register_cxl_mock_ops);
 
-static DEFINE_SRCU(cxl_mock_srcu);
+DEFINE_STATIC_SRCU(cxl_mock_srcu);
 
 void unregister_cxl_mock_ops(struct cxl_mock_ops *ops)
 {