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