diff options
| author |   Christian Lamparter <chunkeey@gmail.com> | 2019-04-22 13:26:00 +0200 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2019-05-03 14:03:29 +0800 |
| commit | 9848e4c873c1cae019bbef4ab3a500a05ca59fe6 (patch) | |
| tree | 1ed5c1beebe3a50edd2391bac72a8aab4cabbc16 /drivers/crypto/amcc/crypto4xx_core.c | |
| parent | crypto: crypto4xx - fix cfb and ofb "overran dst buffer" issues (diff) | |
| download | wireguard-linux-9848e4c873c1cae019bbef4ab3a500a05ca59fe6.tar.xz wireguard-linux-9848e4c873c1cae019bbef4ab3a500a05ca59fe6.zip | |
crypto: crypto4xx - use sync skcipher for fallback
This replaces struct crypto_skcipher and the extra request size
with struct crypto_sync_skcipher and SYNC_SKCIPHER_REQUEST_ON_STACK(),
which uses a fixed stack size.
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/amcc/crypto4xx_core.c')
| -rw-r--r-- | drivers/crypto/amcc/crypto4xx_core.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/crypto/amcc/crypto4xx_core.c b/drivers/crypto/amcc/crypto4xx_core.c index 920bd5e720b2..3e7d24ff3fa6 100644 --- a/drivers/crypto/amcc/crypto4xx_core.c +++ b/drivers/crypto/amcc/crypto4xx_core.c @@ -965,15 +965,10 @@ static int crypto4xx_sk_init(struct crypto_skcipher *sk) if (alg->base.cra_flags & CRYPTO_ALG_NEED_FALLBACK) { ctx->sw_cipher.cipher = - crypto_alloc_skcipher(alg->base.cra_name, 0, - CRYPTO_ALG_NEED_FALLBACK | - CRYPTO_ALG_ASYNC); + crypto_alloc_sync_skcipher(alg->base.cra_name, 0, + CRYPTO_ALG_NEED_FALLBACK); if (IS_ERR(ctx->sw_cipher.cipher)) return PTR_ERR(ctx->sw_cipher.cipher); - - crypto_skcipher_set_reqsize(sk, - sizeof(struct skcipher_request) + 32 + - crypto_skcipher_reqsize(ctx->sw_cipher.cipher)); } amcc_alg = container_of(alg, struct crypto4xx_alg, alg.u.cipher); @@ -992,7 +987,7 @@ static void crypto4xx_sk_exit(struct crypto_skcipher *sk) crypto4xx_common_exit(ctx); if (ctx->sw_cipher.cipher) - crypto_free_skcipher(ctx->sw_cipher.cipher); + crypto_free_sync_skcipher(ctx->sw_cipher.cipher); } static int crypto4xx_aead_init(struct crypto_aead *tfm) |