struct pipe_transfer *transfer)
{
struct virgl_context *vctx = virgl_context(ctx);
- struct virgl_transfer *trans = (struct virgl_transfer *)transfer;
+ struct virgl_transfer *trans = virgl_transfer(transfer);
struct virgl_buffer *vbuf = virgl_buffer(transfer->resource);
if (trans->base.usage & PIPE_TRANSFER_WRITE) {