tree cec98c0f22212e69434cbcc30403361fc11337c5
parent 6dc5df71ee5c8b44607928bfe27be50314dcf848
author Herbert Xu <herbert@gondor.apana.org.au> 1462355576 +0800
committer Herbert Xu <herbert@gondor.apana.org.au> 1462429624 +0800

crypto: hash - Fix page length clamping in hash walk

The crypto hash walk code is broken when supplied with an offset
greater than or equal to PAGE_SIZE.  This patch fixes it by adjusting
walk->pg and walk->offset when this happens.

Cc: <stable@vger.kernel.org>
Reported-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>