regulator: gpio-regulator: Remove unneeded OOM error message

There is no need to print an OOM message after devm_kzalloc, since there is
a generic OOM message in place.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/drivers/regulator/gpio-regulator.c b/drivers/regulator/gpio-regulator.c
index c0a1d00..bad44f3 100644
--- a/drivers/regulator/gpio-regulator.c
+++ b/drivers/regulator/gpio-regulator.c
@@ -239,10 +239,8 @@
 
 	drvdata = devm_kzalloc(&pdev->dev, sizeof(struct gpio_regulator_data),
 			       GFP_KERNEL);
-	if (drvdata == NULL) {
-		dev_err(&pdev->dev, "Failed to allocate device data\n");
+	if (drvdata == NULL)
 		return -ENOMEM;
-	}
 
 	drvdata->desc.name = kstrdup(config->supply_name, GFP_KERNEL);
 	if (drvdata->desc.name == NULL) {