firewire: cdev: remove unneeded reference

For outbound transactions, the IDR's and the callback's references now
have exactly the same lifetime, so we do not need both of them.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: "Stefan Richter" <stefanr@s5r6.in-berlin.de>

drivers/firewire/core-cdev.c

@@ -562,8 +562,6 @@ static void complete_transaction(struct fw_card *card, int rcode,
 
 	/* Drop the idr's reference */
 	client_put(client);
-	/* Drop the transaction callback's reference */
-	client_put(client);
 }
 
 static int init_request(struct client *client,
@@ -601,9 +599,6 @@ static int init_request(struct client *client,
 	if (ret < 0)
 		goto failed;
 
-	/* Get a reference for the transaction callback */
-	client_get(client);
-
 	fw_send_request(client->device->card, &e->r.transaction,
 			request->tcode, destination_id, request->generation,
 			speed, request->offset, e->response.data,