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| 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 | |
| parent | 7e92e1717e3eaf6b322c252947c696b3059f05be (diff) | |
| download | linux-stable-9848e4c873c1cae019bbef4ab3a500a05ca59fe6.tar.gz linux-stable-9848e4c873c1cae019bbef4ab3a500a05ca59fe6.tar.bz2 linux-stable-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')
| -rw-r--r-- | drivers/crypto/amcc/crypto4xx_alg.c | 12 | ||||
| -rw-r--r-- | drivers/crypto/amcc/crypto4xx_core.c | 11 | ||||
| -rw-r--r-- | drivers/crypto/amcc/crypto4xx_core.h | 2 |
3 files changed, 10 insertions, 15 deletions
diff --git a/drivers/crypto/amcc/crypto4xx_alg.c b/drivers/crypto/amcc/crypto4xx_alg.c index 3458c5a085d9..307f5cfa9ba4 100644 --- a/drivers/crypto/amcc/crypto4xx_alg.c +++ b/drivers/crypto/amcc/crypto4xx_alg.c @@ -264,10 +264,10 @@ crypto4xx_ctr_crypt(struct skcipher_request *req, bool encrypt) * overlow. */ if (counter + nblks < counter) { - struct skcipher_request *subreq = skcipher_request_ctx(req); + SYNC_SKCIPHER_REQUEST_ON_STACK(subreq, ctx->sw_cipher.cipher); int ret; - skcipher_request_set_tfm(subreq, ctx->sw_cipher.cipher); + skcipher_request_set_sync_tfm(subreq, ctx->sw_cipher.cipher); skcipher_request_set_callback(subreq, req->base.flags, NULL, NULL); skcipher_request_set_crypt(subreq, req->src, req->dst, @@ -289,14 +289,14 @@ static int crypto4xx_sk_setup_fallback(struct crypto4xx_ctx *ctx, { int rc; - crypto_skcipher_clear_flags(ctx->sw_cipher.cipher, + crypto_sync_skcipher_clear_flags(ctx->sw_cipher.cipher, CRYPTO_TFM_REQ_MASK); - crypto_skcipher_set_flags(ctx->sw_cipher.cipher, + crypto_sync_skcipher_set_flags(ctx->sw_cipher.cipher, crypto_skcipher_get_flags(cipher) & CRYPTO_TFM_REQ_MASK); - rc = crypto_skcipher_setkey(ctx->sw_cipher.cipher, key, keylen); + rc = crypto_sync_skcipher_setkey(ctx->sw_cipher.cipher, key, keylen); crypto_skcipher_clear_flags(cipher, CRYPTO_TFM_RES_MASK); crypto_skcipher_set_flags(cipher, - crypto_skcipher_get_flags(ctx->sw_cipher.cipher) & + crypto_sync_skcipher_get_flags(ctx->sw_cipher.cipher) & CRYPTO_TFM_RES_MASK); return rc; 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) diff --git a/drivers/crypto/amcc/crypto4xx_core.h b/drivers/crypto/amcc/crypto4xx_core.h index 18df695ca6b1..4ecc34fa8ebd 100644 --- a/drivers/crypto/amcc/crypto4xx_core.h +++ b/drivers/crypto/amcc/crypto4xx_core.h @@ -131,7 +131,7 @@ struct crypto4xx_ctx { __le32 iv_nonce; u32 sa_len; union { - struct crypto_skcipher *cipher; + struct crypto_sync_skcipher *cipher; struct crypto_aead *aead; } sw_cipher; }; |