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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2015-05-28 22:07:56 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-06-03 10:48:34 +0800 |
| commit | 6e2599bb2914d6feae845ff99f14032c4b0f7abf (patch) | |
| tree | 5e9f46df8521ce4c0ad05b8abc75f9f2318d0f20 | |
| parent | 4b1a6955656f027637027e1d5ad7ea1fd5b7feb5 (diff) | |
| download | linux-crypto-6e2599bb2914d6feae845ff99f14032c4b0f7abf.tar.gz linux-crypto-6e2599bb2914d6feae845ff99f14032c4b0f7abf.zip | |
crypto: api - Include alignment in crypto_alg_extsize
This patch ensures that the tfm context always has enough extra
memory to ensure that it is aligned according to cra_alignment.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | crypto/algapi.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/crypto/algapi.c b/crypto/algapi.c index abf100c0..3c079b7f 100644 --- a/crypto/algapi.c +++ b/crypto/algapi.c @@ -980,7 +980,8 @@ EXPORT_SYMBOL_GPL(crypto_xor); unsigned int crypto_alg_extsize(struct crypto_alg *alg) { - return alg->cra_ctxsize; + return alg->cra_ctxsize + + (alg->cra_alignmask & ~(crypto_tfm_ctx_alignment() - 1)); } EXPORT_SYMBOL_GPL(crypto_alg_extsize); |