[media] media: soc-camera: use managed devm_regulator_bulk_get()

Using device-managed devm_regulator_bulk_get() eliminates the need to
release regulators explicitly.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/platform/soc_camera/soc_camera.c

@@ -1139,8 +1139,8 @@ static int soc_camera_probe(struct soc_camera_device *icd)
 	if (ret < 0)
 		return ret;
 
-	ret = regulator_bulk_get(icd->pdev, icl->num_regulators,
-				 icl->regulators);
+	ret = devm_regulator_bulk_get(icd->pdev, icl->num_regulators,
+				      icl->regulators);
 	if (ret < 0)
 		goto ereg;
 
@@ -1244,7 +1244,6 @@ eadddev:
 evdc:
 	ici->ops->remove(icd);
 eadd:
-	regulator_bulk_free(icl->num_regulators, icl->regulators);
 ereg:
 	v4l2_ctrl_handler_free(&icd->ctrl_handler);
 	return ret;
@@ -1278,8 +1277,6 @@ static int soc_camera_remove(struct soc_camera_device *icd)
 	}
 	soc_camera_free_user_formats(icd);
 
-	regulator_bulk_free(icl->num_regulators, icl->regulators);
-
 	return 0;
 }