RE: [PATCH v8 06/11] dma-buf: provide phys_vec to scatter-gather mapping routine

[Tian, Kevin]

> From: Leon Romanovsky <leon@xxxxxxxxxx>
> Sent: Tuesday, November 11, 2025 5:58 PM
> +
> +	if (dma->state && dma_use_iova(dma->state)) {
> +		WARN_ON_ONCE(mapped_len != size);

then "goto err_unmap_dma".

Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>