media: zoran: convert zoran alloc to devm

Allocate the zoran structure with devm_ functions permit to simplify
code.
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/staging/media/zoran/zoran_card.c

@@ -1024,7 +1024,6 @@ static void zoran_remove(struct pci_dev *pdev)
 exit_free:
 	v4l2_ctrl_handler_free(&zr->hdl);
 	v4l2_device_unregister(&zr->v4l2_dev);
-	kfree(zr);
 }
 
 void zoran_vdev_release(struct video_device *vdev)
@@ -1109,7 +1108,7 @@ static int zoran_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		return -ENOENT;
 	}
 
-	zr = kzalloc(sizeof(*zr), GFP_KERNEL);
+	zr = devm_kzalloc(&pdev->dev, sizeof(*zr), GFP_KERNEL);
 	if (!zr)
 		return -ENOMEM;
 
@@ -1298,7 +1297,6 @@ static int zoran_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	v4l2_ctrl_handler_free(&zr->hdl);
 	v4l2_device_unregister(&zr->v4l2_dev);
 zr_free_mem:
-	kfree(zr);
 
 	return -ENODEV;
 }