Re: [PATCH v11 1/2] crypto: AF_ALG: add AEAD support
From: Herbert Xu <hidden>
Date: 2015-01-25 23:55:59
Also in:
linux-api, lkml
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 [off-list ref] Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt