regulator: gpio-regulator: do not pass drvdata pointer as reference

Commit c172708d38a4 (regulator: core: Use a struct to pass in
regulator runtime configuration) added the drvdata pointer
only per reference to the new config array in the gpio-regulator.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/drivers/regulator/gpio-regulator.c b/drivers/regulator/gpio-regulator.c
index 9997d7a..ebe2b5c 100644
--- a/drivers/regulator/gpio-regulator.c
+++ b/drivers/regulator/gpio-regulator.c
@@ -286,7 +286,7 @@
 
 	cfg.dev = &pdev->dev;
 	cfg.init_data = config->init_data;
-	cfg.driver_data = &drvdata;
+	cfg.driver_data = drvdata;
 
 	drvdata->dev = regulator_register(&drvdata->desc, &cfg);
 	if (IS_ERR(drvdata->dev)) {