regulator: ab8500: Unregister ab8500-ext regulators in probe() failure path

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

drivers/regulator/ab8500.c

@@ -3172,9 +3172,12 @@ static int ab8500_regulator_probe(struct platform_device *pdev)
 	for (i = 0; i < abx500_regulator.info_size; i++) {
 		err = ab8500_regulator_register(pdev, &pdata->regulator[i],
 						i, NULL);
-		if (err < 0)
+		if (err < 0) {
+			if (!is_ab8505(ab8500))
+				ab8500_ext_regulator_exit(pdev);
 			return err;
 		}
+	}
 
 	return 0;
 }