Re: [PATCH 6/7] scsi: storvsc: Don't assume that the scatterlist is not chained

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On Mon, Mar 23, K. Y. Srinivasan wrote:

> @@ -653,32 +640,39 @@ static unsigned int copy_from_bounce_buffer(struct scatterlist *orig_sgl,
>  	unsigned long bounce_addr = 0;
>  	unsigned long dest_addr = 0;
>  	unsigned long flags;
> +	struct scatterlist *cur_dest_sgl;
> +	struct scatterlist *cur_src_sgl;
>  
>  	local_irq_save(flags);
> -
> +	cur_dest_sgl = orig_sgl;
> +	cur_src_sgl = bounce_sgl;
>  	for (i = 0; i < orig_sgl_count; i++) {
> -		dest_addr = sg_kmap_atomic(orig_sgl,i) + orig_sgl[i].offset;
> +		dest_addr = (unsigned long)
> +				kmap_atomic(sg_page(cur_dest_sgl)) +
> +				cur_dest_sgl->offset;
>  		dest = dest_addr;
>  		destlen = orig_sgl[i].length;
> +		destlen = cur_dest_sgl->length;

Double assignment.

Olaf
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