diff --git a/drivers/staging/greybus/operation.c b/drivers/staging/greybus/operation.c index f8d7df9ad3c4..8f99c8e17d70 100644 --- a/drivers/staging/greybus/operation.c +++ b/drivers/staging/greybus/operation.c @@ -114,6 +114,10 @@ int gb_operation_result(struct gb_operation *operation) } EXPORT_SYMBOL_GPL(gb_operation_result); +/* + * Looks up an operation on a connection and returns a refcounted pointer if + * found, or NULL otherwise. + */ static struct gb_operation * gb_operation_find(struct gb_connection *connection, u16 operation_id) { @@ -124,6 +128,7 @@ gb_operation_find(struct gb_connection *connection, u16 operation_id) spin_lock_irqsave(&gb_operations_lock, flags); list_for_each_entry(operation, &connection->operations, links) if (operation->id == operation_id) { + gb_operation_get(operation); found = true; break; } @@ -795,6 +800,8 @@ static void gb_connection_recv_response(struct gb_connection *connection, /* The rest will be handled in work queue context */ if (gb_operation_result_set(operation, errno)) queue_work(gb_operation_workqueue, &operation->work); + + gb_operation_put(operation); } /*