tpm_tis: fix the error handling of init_tis()

commit 5939eaf4 upstream.

Add the missing platform_driver_unregister() and remove the duplicate
platform_device_unregister(force_pdev) in the error handling case.

Fixes: 00194826 ("tpm_tis: Clean up the force=1 module parameter")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/char/tpm/tpm_tis.c

@@ -421,7 +421,7 @@ static int __init init_tis(void)
 	acpi_bus_unregister_driver(&tis_acpi_driver);
 err_acpi:
 #endif
-	platform_device_unregister(force_pdev);
+	platform_driver_unregister(&tis_drv);
 err_platform:
 	if (force_pdev)
 		platform_device_unregister(force_pdev);