V4L/DVB (11515): drivers/media/video/saa5249.c: fix use-after-free and leak

I moved the kfree() down a couple lines.  t->vdev is going to be in freed
memory so there is no point setting it to NULL.  I added a kfree(t) on a
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/saa5249.c

@@ -598,6 +598,7 @@ static int saa5249_probe(struct i2c_client *client,
 	/* Now create a video4linux device */
 	t->vdev = video_device_alloc();
 	if (t->vdev == NULL) {
+		kfree(t);
 		kfree(client);
 		return -ENOMEM;
 	}
@@ -617,9 +618,8 @@ static int saa5249_probe(struct i2c_client *client,
 	/* Register it */
 	err = video_register_device(t->vdev, VFL_TYPE_VTX, -1);
 	if (err < 0) {
-		kfree(t);
 		video_device_release(t->vdev);
-		t->vdev = NULL;
+		kfree(t);
 		return err;
 	}
 	return 0;