spi: slave-mt27xx: Call clk_disable_unprepare() only once in mtk_spi_slave_probe()

A clk_disable_unprepare(mdata->spi_clk) call was immediately used
after a return value check for a devm_spi_register_controller() call
in this function implementation.
Thus call such a function only once instead directly before the check.

This issue was transformed by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Link: https://patch.msgid.link/9e736d33-b07f-40a0-8fb6-8c3212593b77@web.de
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: elfring

drivers/spi/spi-slave-mt27xx.c

@@ -455,15 +455,13 @@ static int mtk_spi_slave_probe(struct platform_device *pdev)
 	pm_runtime_enable(&pdev->dev);
 
 	ret = devm_spi_register_controller(&pdev->dev, ctlr);
+	clk_disable_unprepare(mdata->spi_clk);
 	if (ret) {
 		dev_err(&pdev->dev,
 			"failed to register slave controller(%d)\n", ret);
-		clk_disable_unprepare(mdata->spi_clk);
 		goto err_disable_runtime_pm;
 	}
 
-	clk_disable_unprepare(mdata->spi_clk);
-
 	return 0;
 
 err_disable_runtime_pm: