On Wed, Jan 21, 2015 at 02:19:17AM +0100, Stephan Mueller wrote:
>
> + /* use the existing memory in an allocated page */
> + if (ctx->merge) {
> + sg = sgl->sg + sgl->cur - 1;
> + len = min_t(unsigned long, len,
> + PAGE_SIZE - sg->offset - sg->length);
> + err = memcpy_from_msg(page_address(sg_page(sg)) +
> + sg->offset + sg->length,
> + msg, len);
> + if (err)
> + goto unlock;
> +
> + sg->length += len;
> + ctx->merge = (sg->offset + sg->length) &
> + (PAGE_SIZE - 1);
> +
> + ctx->used += len;
> + copied += len;
> + size -= len;
Need to add a continue here to recheck size != 0.
Cheers,
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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