tree 102ab17bc58b1ea8cdb3b5fed872f7cae19c5a28
parent 4140139734459db4dffc50dad7b9e21ed79a8dd9
author Herbert Xu <herbert@gondor.apana.org.au> 1468300677 +0800
committer Herbert Xu <herbert@gondor.apana.org.au> 1468834549 +0800

crypto: scatterwalk - Fix test in scatterwalk_done

When there is more data to be processed, the current test in
scatterwalk_done may prevent us from calling pagedone even when
we should.

In particular, if we're on an SG entry spanning multiple pages
where the last page is not a full page, we will incorrectly skip
calling pagedone on the second last page.

This patch fixes this by adding a separate test for whether we've
reached the end of a page.

Cc: stable@vger.kernel.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>