diff options
| author | Tudor Ambarus <tudor.ambarus@freescale.com> | 2014-10-24 18:13:37 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2014-11-06 23:15:00 +0800 |
| commit | 19167bfd8ae72ceeb41930343227bf8f5fb19a66 (patch) | |
| tree | 85be83b386b3b5180731faff2977a9448157281b /drivers/crypto | |
| parent | a727c4b6e523ba2d91854e8145542be74cfd9bab (diff) | |
| download | linux-19167bfd8ae72ceeb41930343227bf8f5fb19a66.tar.bz2 | |
crypto: caam - fix output sequence contiguity check
This patch fixes the assumption that output sequence is not contiguous
when input sequence is not contiguous and in-place encryption is done.
Output sequence does not need to be contiguous with associated data.
Signed-off-by: Tudor Ambarus <tudor.ambarus@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/caam/caamalg.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c index c17154c32031..36434d9eefad 100644 --- a/drivers/crypto/caam/caamalg.c +++ b/drivers/crypto/caam/caamalg.c @@ -2185,7 +2185,8 @@ static struct aead_edesc *aead_giv_edesc_alloc(struct aead_givcrypt_request assoc_nents = assoc_nents ? : 1; src_nents = src_nents ? : 1; sec4_sg_len += assoc_nents + 1 + src_nents; - if (likely(req->src == req->dst)) + if (req->src == req->dst && + (src_nents || iv_dma + ivsize != sg_dma_address(req->src))) contig &= ~GIV_DST_CONTIG; } |