regulator: Fix the error handling if create_regulator fails

In the case of create_regulator() fails, goto the error path immediately.
It does not make sense to update rdev->open_count if create_regulator fails.
Signed-off-by: NAxel Lin <axel.lin@gmail.com>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

drivers/regulator/core.c

@@ -1282,6 +1282,7 @@ static struct regulator *_regulator_get(struct device *dev, const char *id,
 	if (regulator == NULL) {
 		regulator = ERR_PTR(-ENOMEM);
 		module_put(rdev->owner);
+		goto out;
 	}
 
 	rdev->open_count++;