regulator: tps6586x: (cosmetic) simplify a conditional

of_node_put() is called on either branch of a conditional, simplify the
code by only calling it once.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c
index e68382d..4e3e4adb 100644
--- a/drivers/regulator/tps6586x-regulator.c
+++ b/drivers/regulator/tps6586x-regulator.c
@@ -304,14 +304,12 @@
 	}
 
 	err = of_regulator_match(&pdev->dev, regs, tps6586x_matches, num);
+	of_node_put(regs);
 	if (err < 0) {
 		dev_err(&pdev->dev, "Regulator match failed, e %d\n", err);
-		of_node_put(regs);
 		return NULL;
 	}
 
-	of_node_put(regs);
-
 	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
 	if (!pdata) {
 		dev_err(&pdev->dev, "Memory alloction failed\n");