diff options
| 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 | c2110f28341cec2ecfd9474db15ac090bce1234c (patch) | |
| tree | da177b90712ab7ea057b4945350fa01a7f89ac4c /crypto/algapi.c | |
| parent | 5c98d62059faf7c59211cb591da671eaac7b7c3c (diff) | |
| download | lwn-c2110f28341cec2ecfd9474db15ac090bce1234c.tar.gz lwn-c2110f28341cec2ecfd9474db15ac090bce1234c.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>
Diffstat (limited to 'crypto/algapi.c')
| -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 abf100c054e0..3c079b7f23f6 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); |