commit 3b30460c5b0ed762be75a004e924ec3f8711e032
author Ard Biesheuvel <ard.biesheuvel@linaro.org> Mon Feb 27 15:30:56 2017 +0000
committer Herbert Xu <herbert@gondor.apana.org.au> Tue Feb 28 17:29:17 2017 +0800
tree 20685fb789a0da94779dc6a97dc3c37eb4286d35
parent 89027579bc6c2febbcc9c2f9d5069adf71539e4b

crypto: ccm - move cbcmac input off the stack

Commit f15f05b0a5de ("crypto: ccm - switch to separate cbcmac driver")
refactored the CCM driver to allow separate implementations of the
underlying MAC to be provided by a platform. However, in doing so, it
moved some data from the linear region to the stack, which violates the
SG constraints when the stack is virtually mapped.

So move idata/odata back to the request ctx struct, of which we can
reasonably expect that it has been allocated using kmalloc() et al.

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Fixes: f15f05b0a5de ("crypto: ccm - switch to separate cbcmac driver")
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Tested-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>