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authorEric Biggers <ebiggers@google.com>2019-12-31 06:19:38 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2020-01-09 06:30:53 +0300
commitaf5034e8e4a5838fc77e476c1a91822e449d5869 (patch)
treef561a8db9f88931072210330128fed231e3b8b0b /drivers/crypto
parentc4c4db0d59774f6ab726edd012711490437345c2 (diff)
downloadlinux-af5034e8e4a5838fc77e476c1a91822e449d5869.tar.xz
crypto: remove propagation of CRYPTO_TFM_RES_* flags
The CRYPTO_TFM_RES_* flags were apparently meant as a way to make the ->setkey() functions provide more information about errors. But these flags weren't actually being used or tested, and in many cases they weren't being set correctly anyway. So they've now been removed. Also, if someone ever actually needs to start better distinguishing ->setkey() errors (which is somewhat unlikely, as this has been unneeded for a long time), we'd be much better off just defining different return values, like -EINVAL if the key is invalid for the algorithm vs. -EKEYREJECTED if the key was rejected by a policy like "no weak keys". That would be much simpler, less error-prone, and easier to test. So just remove CRYPTO_TFM_RES_MASK and all the unneeded logic that propagates these flags around. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
-rw-r--r--drivers/crypto/amcc/crypto4xx_alg.c20
-rw-r--r--drivers/crypto/atmel-aes.c5
-rw-r--r--drivers/crypto/atmel-authenc.h3
-rw-r--r--drivers/crypto/atmel-sha.c11
-rw-r--r--drivers/crypto/bcm/cipher.c14
-rw-r--r--drivers/crypto/chelsio/chcr_algo.c24
-rw-r--r--drivers/crypto/geode-aes.c16
-rw-r--r--drivers/crypto/inside-secure/safexcel_cipher.c5
-rw-r--r--drivers/crypto/inside-secure/safexcel_hash.c6
-rw-r--r--drivers/crypto/mediatek/mtk-aes.c2
-rw-r--r--drivers/crypto/mxs-dcp.c12
-rw-r--r--drivers/crypto/picoxcell_crypto.c9
-rw-r--r--drivers/crypto/sahara.c9
13 files changed, 14 insertions, 122 deletions
diff --git a/drivers/crypto/amcc/crypto4xx_alg.c b/drivers/crypto/amcc/crypto4xx_alg.c
index 121eb81df64f..f7fc0c464125 100644
--- a/drivers/crypto/amcc/crypto4xx_alg.c
+++ b/drivers/crypto/amcc/crypto4xx_alg.c
@@ -289,19 +289,11 @@ static int crypto4xx_sk_setup_fallback(struct crypto4xx_ctx *ctx,
const u8 *key,
unsigned int keylen)
{
- int rc;
-
crypto_sync_skcipher_clear_flags(ctx->sw_cipher.cipher,
CRYPTO_TFM_REQ_MASK);
crypto_sync_skcipher_set_flags(ctx->sw_cipher.cipher,
crypto_skcipher_get_flags(cipher) & CRYPTO_TFM_REQ_MASK);
- 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_sync_skcipher_get_flags(ctx->sw_cipher.cipher) &
- CRYPTO_TFM_RES_MASK);
-
- return rc;
+ return crypto_sync_skcipher_setkey(ctx->sw_cipher.cipher, key, keylen);
}
int crypto4xx_setkey_aes_ctr(struct crypto_skcipher *cipher,
@@ -376,18 +368,10 @@ static int crypto4xx_aead_setup_fallback(struct crypto4xx_ctx *ctx,
const u8 *key,
unsigned int keylen)
{
- int rc;
-
crypto_aead_clear_flags(ctx->sw_cipher.aead, CRYPTO_TFM_REQ_MASK);
crypto_aead_set_flags(ctx->sw_cipher.aead,
crypto_aead_get_flags(cipher) & CRYPTO_TFM_REQ_MASK);
- rc = crypto_aead_setkey(ctx->sw_cipher.aead, key, keylen);
- crypto_aead_clear_flags(cipher, CRYPTO_TFM_RES_MASK);
- crypto_aead_set_flags(cipher,
- crypto_aead_get_flags(ctx->sw_cipher.aead) &
- CRYPTO_TFM_RES_MASK);
-
- return rc;
+ return crypto_aead_setkey(ctx->sw_cipher.aead, key, keylen);
}
/**
diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c
index 898f66cb2eb2..466c15b474da 100644
--- a/drivers/crypto/atmel-aes.c
+++ b/drivers/crypto/atmel-aes.c
@@ -2041,7 +2041,6 @@ static int atmel_aes_authenc_setkey(struct crypto_aead *tfm, const u8 *key,
{
struct atmel_aes_authenc_ctx *ctx = crypto_aead_ctx(tfm);
struct crypto_authenc_keys keys;
- u32 flags;
int err;
if (crypto_authenc_extractkeys(&keys, key, keylen) != 0)
@@ -2051,11 +2050,9 @@ static int atmel_aes_authenc_setkey(struct crypto_aead *tfm, const u8 *key,
goto badkey;
/* Save auth key. */
- flags = crypto_aead_get_flags(tfm);
err = atmel_sha_authenc_setkey(ctx->auth,
keys.authkey, keys.authkeylen,
- &flags);
- crypto_aead_set_flags(tfm, flags & CRYPTO_TFM_RES_MASK);
+ crypto_aead_get_flags(tfm));
if (err) {
memzero_explicit(&keys, sizeof(keys));
return err;
diff --git a/drivers/crypto/atmel-authenc.h b/drivers/crypto/atmel-authenc.h
index d6de810df44f..c6530a1c8c20 100644
--- a/drivers/crypto/atmel-authenc.h
+++ b/drivers/crypto/atmel-authenc.h
@@ -30,8 +30,7 @@ unsigned int atmel_sha_authenc_get_reqsize(void);
struct atmel_sha_authenc_ctx *atmel_sha_authenc_spawn(unsigned long mode);
void atmel_sha_authenc_free(struct atmel_sha_authenc_ctx *auth);
int atmel_sha_authenc_setkey(struct atmel_sha_authenc_ctx *auth,
- const u8 *key, unsigned int keylen,
- u32 *flags);
+ const u8 *key, unsigned int keylen, u32 flags);
int atmel_sha_authenc_schedule(struct ahash_request *req,
struct atmel_sha_authenc_ctx *auth,
diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c
index d3bcd14201c2..079fdb8114e9 100644
--- a/drivers/crypto/atmel-sha.c
+++ b/drivers/crypto/atmel-sha.c
@@ -2207,18 +2207,13 @@ void atmel_sha_authenc_free(struct atmel_sha_authenc_ctx *auth)
EXPORT_SYMBOL_GPL(atmel_sha_authenc_free);
int atmel_sha_authenc_setkey(struct atmel_sha_authenc_ctx *auth,
- const u8 *key, unsigned int keylen,
- u32 *flags)
+ const u8 *key, unsigned int keylen, u32 flags)
{
struct crypto_ahash *tfm = auth->tfm;
- int err;
crypto_ahash_clear_flags(tfm, CRYPTO_TFM_REQ_MASK);
- crypto_ahash_set_flags(tfm, *flags & CRYPTO_TFM_REQ_MASK);
- err = crypto_ahash_setkey(tfm, key, keylen);
- *flags = crypto_ahash_get_flags(tfm);
-
- return err;
+ crypto_ahash_set_flags(tfm, flags & CRYPTO_TFM_REQ_MASK);
+ return crypto_ahash_setkey(tfm, key, keylen);
}
EXPORT_SYMBOL_GPL(atmel_sha_authenc_setkey);
diff --git a/drivers/crypto/bcm/cipher.c b/drivers/crypto/bcm/cipher.c
index 184a3e1245cf..c8b9408541a9 100644
--- a/drivers/crypto/bcm/cipher.c
+++ b/drivers/crypto/bcm/cipher.c
@@ -2893,13 +2893,8 @@ static int aead_authenc_setkey(struct crypto_aead *cipher,
ctx->fallback_cipher->base.crt_flags |=
tfm->crt_flags & CRYPTO_TFM_REQ_MASK;
ret = crypto_aead_setkey(ctx->fallback_cipher, key, keylen);
- if (ret) {
+ if (ret)
flow_log(" fallback setkey() returned:%d\n", ret);
- tfm->crt_flags &= ~CRYPTO_TFM_RES_MASK;
- tfm->crt_flags |=
- (ctx->fallback_cipher->base.crt_flags &
- CRYPTO_TFM_RES_MASK);
- }
}
ctx->spu_resp_hdr_len = spu->spu_response_hdr_len(ctx->authkeylen,
@@ -2965,13 +2960,8 @@ static int aead_gcm_ccm_setkey(struct crypto_aead *cipher,
tfm->crt_flags & CRYPTO_TFM_REQ_MASK;
ret = crypto_aead_setkey(ctx->fallback_cipher, key,
keylen + ctx->salt_len);
- if (ret) {
+ if (ret)
flow_log(" fallback setkey() returned:%d\n", ret);
- tfm->crt_flags &= ~CRYPTO_TFM_RES_MASK;
- tfm->crt_flags |=
- (ctx->fallback_cipher->base.crt_flags &
- CRYPTO_TFM_RES_MASK);
- }
}
ctx->spu_resp_hdr_len = spu->spu_response_hdr_len(ctx->authkeylen,
diff --git a/drivers/crypto/chelsio/chcr_algo.c b/drivers/crypto/chelsio/chcr_algo.c
index 720b2ff55464..b4b9b22125d1 100644
--- a/drivers/crypto/chelsio/chcr_algo.c
+++ b/drivers/crypto/chelsio/chcr_algo.c
@@ -870,20 +870,13 @@ static int chcr_cipher_fallback_setkey(struct crypto_skcipher *cipher,
const u8 *key,
unsigned int keylen)
{
- struct crypto_tfm *tfm = crypto_skcipher_tfm(cipher);
struct ablk_ctx *ablkctx = ABLK_CTX(c_ctx(cipher));
- int err = 0;
crypto_sync_skcipher_clear_flags(ablkctx->sw_cipher,
CRYPTO_TFM_REQ_MASK);
crypto_sync_skcipher_set_flags(ablkctx->sw_cipher,
cipher->base.crt_flags & CRYPTO_TFM_REQ_MASK);
- err = crypto_sync_skcipher_setkey(ablkctx->sw_cipher, key, keylen);
- tfm->crt_flags &= ~CRYPTO_TFM_RES_MASK;
- tfm->crt_flags |=
- crypto_sync_skcipher_get_flags(ablkctx->sw_cipher) &
- CRYPTO_TFM_RES_MASK;
- return err;
+ return crypto_sync_skcipher_setkey(ablkctx->sw_cipher, key, keylen);
}
static int chcr_aes_cbc_setkey(struct crypto_skcipher *cipher,
@@ -3302,9 +3295,6 @@ static int chcr_aead_ccm_setkey(struct crypto_aead *aead,
crypto_aead_set_flags(aeadctx->sw_cipher, crypto_aead_get_flags(aead) &
CRYPTO_TFM_REQ_MASK);
error = crypto_aead_setkey(aeadctx->sw_cipher, key, keylen);
- crypto_aead_clear_flags(aead, CRYPTO_TFM_RES_MASK);
- crypto_aead_set_flags(aead, crypto_aead_get_flags(aeadctx->sw_cipher) &
- CRYPTO_TFM_RES_MASK);
if (error)
return error;
return chcr_ccm_common_setkey(aead, key, keylen);
@@ -3324,9 +3314,6 @@ static int chcr_aead_rfc4309_setkey(struct crypto_aead *aead, const u8 *key,
crypto_aead_set_flags(aeadctx->sw_cipher, crypto_aead_get_flags(aead) &
CRYPTO_TFM_REQ_MASK);
error = crypto_aead_setkey(aeadctx->sw_cipher, key, keylen);
- crypto_aead_clear_flags(aead, CRYPTO_TFM_RES_MASK);
- crypto_aead_set_flags(aead, crypto_aead_get_flags(aeadctx->sw_cipher) &
- CRYPTO_TFM_RES_MASK);
if (error)
return error;
keylen -= 3;
@@ -3348,9 +3335,6 @@ static int chcr_gcm_setkey(struct crypto_aead *aead, const u8 *key,
crypto_aead_set_flags(aeadctx->sw_cipher, crypto_aead_get_flags(aead)
& CRYPTO_TFM_REQ_MASK);
ret = crypto_aead_setkey(aeadctx->sw_cipher, key, keylen);
- crypto_aead_clear_flags(aead, CRYPTO_TFM_RES_MASK);
- crypto_aead_set_flags(aead, crypto_aead_get_flags(aeadctx->sw_cipher) &
- CRYPTO_TFM_RES_MASK);
if (ret)
goto out;
@@ -3416,9 +3400,6 @@ static int chcr_authenc_setkey(struct crypto_aead *authenc, const u8 *key,
crypto_aead_set_flags(aeadctx->sw_cipher, crypto_aead_get_flags(authenc)
& CRYPTO_TFM_REQ_MASK);
err = crypto_aead_setkey(aeadctx->sw_cipher, key, keylen);
- crypto_aead_clear_flags(authenc, CRYPTO_TFM_RES_MASK);
- crypto_aead_set_flags(authenc, crypto_aead_get_flags(aeadctx->sw_cipher)
- & CRYPTO_TFM_RES_MASK);
if (err)
goto out;
@@ -3544,9 +3525,6 @@ static int chcr_aead_digest_null_setkey(struct crypto_aead *authenc,
crypto_aead_set_flags(aeadctx->sw_cipher, crypto_aead_get_flags(authenc)
& CRYPTO_TFM_REQ_MASK);
err = crypto_aead_setkey(aeadctx->sw_cipher, key, keylen);
- crypto_aead_clear_flags(authenc, CRYPTO_TFM_RES_MASK);
- crypto_aead_set_flags(authenc, crypto_aead_get_flags(aeadctx->sw_cipher)
- & CRYPTO_TFM_RES_MASK);
if (err)
goto out;
diff --git a/drivers/crypto/geode-aes.c b/drivers/crypto/geode-aes.c
index eb6e6b618361..f4f18bfc2247 100644
--- a/drivers/crypto/geode-aes.c
+++ b/drivers/crypto/geode-aes.c
@@ -110,7 +110,6 @@ static int geode_setkey_cip(struct crypto_tfm *tfm, const u8 *key,
unsigned int len)
{
struct geode_aes_tfm_ctx *tctx = crypto_tfm_ctx(tfm);
- unsigned int ret;
tctx->keylen = len;
@@ -130,20 +129,13 @@ static int geode_setkey_cip(struct crypto_tfm *tfm, const u8 *key,
tctx->fallback.cip->base.crt_flags |=
(tfm->crt_flags & CRYPTO_TFM_REQ_MASK);
- ret = crypto_cipher_setkey(tctx->fallback.cip, key, len);
- if (ret) {
- tfm->crt_flags &= ~CRYPTO_TFM_RES_MASK;
- tfm->crt_flags |= (tctx->fallback.cip->base.crt_flags &
- CRYPTO_TFM_RES_MASK);
- }
- return ret;
+ return crypto_cipher_setkey(tctx->fallback.cip, key, len);
}
static int geode_setkey_skcipher(struct crypto_skcipher *tfm, const u8 *key,
unsigned int len)
{
struct geode_aes_tfm_ctx *tctx = crypto_skcipher_ctx(tfm);
- unsigned int ret;
tctx->keylen = len;
@@ -164,11 +156,7 @@ static int geode_setkey_skcipher(struct crypto_skcipher *tfm, const u8 *key,
crypto_skcipher_set_flags(tctx->fallback.skcipher,
crypto_skcipher_get_flags(tfm) &
CRYPTO_TFM_REQ_MASK);
- ret = crypto_skcipher_setkey(tctx->fallback.skcipher, key, len);
- crypto_skcipher_set_flags(tfm,
- crypto_skcipher_get_flags(tctx->fallback.skcipher) &
- CRYPTO_TFM_RES_MASK);
- return ret;
+ return crypto_skcipher_setkey(tctx->fallback.skcipher, key, len);
}
static void
diff --git a/drivers/crypto/inside-secure/safexcel_cipher.c b/drivers/crypto/inside-secure/safexcel_cipher.c
index 5ee66532f336..0c5e80c3f6e3 100644
--- a/drivers/crypto/inside-secure/safexcel_cipher.c
+++ b/drivers/crypto/inside-secure/safexcel_cipher.c
@@ -499,9 +499,6 @@ static int safexcel_aead_setkey(struct crypto_aead *ctfm, const u8 *key,
goto badkey;
}
- crypto_aead_set_flags(ctfm, crypto_aead_get_flags(ctfm) &
- CRYPTO_TFM_RES_MASK);
-
if (priv->flags & EIP197_TRC_CACHE && ctx->base.ctxr_dma &&
(memcmp(ctx->ipad, istate.state, ctx->state_sz) ||
memcmp(ctx->opad, ostate.state, ctx->state_sz)))
@@ -2583,8 +2580,6 @@ static int safexcel_aead_gcm_setkey(struct crypto_aead *ctfm, const u8 *key,
crypto_cipher_set_flags(ctx->hkaes, crypto_aead_get_flags(ctfm) &
CRYPTO_TFM_REQ_MASK);
ret = crypto_cipher_setkey(ctx->hkaes, key, len);
- crypto_aead_set_flags(ctfm, crypto_cipher_get_flags(ctx->hkaes) &
- CRYPTO_TFM_RES_MASK);
if (ret)
return ret;
diff --git a/drivers/crypto/inside-secure/safexcel_hash.c b/drivers/crypto/inside-secure/safexcel_hash.c
index 088d7f8aab5e..43962bc709c6 100644
--- a/drivers/crypto/inside-secure/safexcel_hash.c
+++ b/drivers/crypto/inside-secure/safexcel_hash.c
@@ -2069,8 +2069,6 @@ static int safexcel_xcbcmac_setkey(struct crypto_ahash *tfm, const u8 *key,
crypto_cipher_set_flags(ctx->kaes, crypto_ahash_get_flags(tfm) &
CRYPTO_TFM_REQ_MASK);
ret = crypto_cipher_setkey(ctx->kaes, key, len);
- crypto_ahash_set_flags(tfm, crypto_cipher_get_flags(ctx->kaes) &
- CRYPTO_TFM_RES_MASK);
if (ret)
return ret;
@@ -2090,8 +2088,6 @@ static int safexcel_xcbcmac_setkey(struct crypto_ahash *tfm, const u8 *key,
ret = crypto_cipher_setkey(ctx->kaes,
(u8 *)key_tmp + 2 * AES_BLOCK_SIZE,
AES_MIN_KEY_SIZE);
- crypto_ahash_set_flags(tfm, crypto_cipher_get_flags(ctx->kaes) &
- CRYPTO_TFM_RES_MASK);
if (ret)
return ret;
@@ -2174,8 +2170,6 @@ static int safexcel_cmac_setkey(struct crypto_ahash *tfm, const u8 *key,
crypto_cipher_set_flags(ctx->kaes, crypto_ahash_get_flags(tfm) &
CRYPTO_TFM_REQ_MASK);
ret = crypto_cipher_setkey(ctx->kaes, key, len);
- crypto_ahash_set_flags(tfm, crypto_cipher_get_flags(ctx->kaes) &
- CRYPTO_TFM_RES_MASK);
if (ret)
return ret;
diff --git a/drivers/crypto/mediatek/mtk-aes.c b/drivers/crypto/mediatek/mtk-aes.c
index 00e580bf8536..78d660d963e2 100644
--- a/drivers/crypto/mediatek/mtk-aes.c
+++ b/drivers/crypto/mediatek/mtk-aes.c
@@ -1031,8 +1031,6 @@ static int mtk_aes_gcm_setkey(struct crypto_aead *aead, const u8 *key,
crypto_skcipher_set_flags(ctr, crypto_aead_get_flags(aead) &
CRYPTO_TFM_REQ_MASK);
err = crypto_skcipher_setkey(ctr, key, keylen);
- crypto_aead_set_flags(aead, crypto_skcipher_get_flags(ctr) &
- CRYPTO_TFM_RES_MASK);
if (err)
return err;
diff --git a/drivers/crypto/mxs-dcp.c b/drivers/crypto/mxs-dcp.c
index f438b425c655..435ac1c83df9 100644
--- a/drivers/crypto/mxs-dcp.c
+++ b/drivers/crypto/mxs-dcp.c
@@ -492,7 +492,6 @@ static int mxs_dcp_aes_setkey(struct crypto_skcipher *tfm, const u8 *key,
unsigned int len)
{
struct dcp_async_ctx *actx = crypto_skcipher_ctx(tfm);
- unsigned int ret;
/*
* AES 128 is supposed by the hardware, store key into temporary
@@ -513,16 +512,7 @@ static int mxs_dcp_aes_setkey(struct crypto_skcipher *tfm, const u8 *key,
crypto_sync_skcipher_clear_flags(actx->fallback, CRYPTO_TFM_REQ_MASK);
crypto_sync_skcipher_set_flags(actx->fallback,
tfm->base.crt_flags & CRYPTO_TFM_REQ_MASK);
-
- ret = crypto_sync_skcipher_setkey(actx->fallback, key, len);
- if (!ret)
- return 0;
-
- tfm->base.crt_flags &= ~CRYPTO_TFM_RES_MASK;
- tfm->base.crt_flags |= crypto_sync_skcipher_get_flags(actx->fallback) &
- CRYPTO_TFM_RES_MASK;
-
- return ret;
+ return crypto_sync_skcipher_setkey(actx->fallback, key, len);
}
static int mxs_dcp_aes_fallback_init_tfm(struct crypto_skcipher *tfm)
diff --git a/drivers/crypto/picoxcell_crypto.c b/drivers/crypto/picoxcell_crypto.c
index ced4cbed9ea0..7384e91c8b32 100644
--- a/drivers/crypto/picoxcell_crypto.c
+++ b/drivers/crypto/picoxcell_crypto.c
@@ -465,9 +465,6 @@ static int spacc_aead_setkey(struct crypto_aead *tfm, const u8 *key,
crypto_aead_set_flags(ctx->sw_cipher, crypto_aead_get_flags(tfm) &
CRYPTO_TFM_REQ_MASK);
err = crypto_aead_setkey(ctx->sw_cipher, key, keylen);
- crypto_aead_clear_flags(tfm, CRYPTO_TFM_RES_MASK);
- crypto_aead_set_flags(tfm, crypto_aead_get_flags(ctx->sw_cipher) &
- CRYPTO_TFM_RES_MASK);
if (err)
return err;
@@ -802,12 +799,6 @@ static int spacc_aes_setkey(struct crypto_skcipher *cipher, const u8 *key,
CRYPTO_TFM_REQ_MASK);
err = crypto_sync_skcipher_setkey(ctx->sw_cipher, key, len);
-
- tfm->crt_flags &= ~CRYPTO_TFM_RES_MASK;
- tfm->crt_flags |=
- crypto_sync_skcipher_get_flags(ctx->sw_cipher) &
- CRYPTO_TFM_RES_MASK;
-
if (err)
goto sw_setkey_failed;
}
diff --git a/drivers/crypto/sahara.c b/drivers/crypto/sahara.c
index d4ea2f11ca68..466e30bd529c 100644
--- a/drivers/crypto/sahara.c
+++ b/drivers/crypto/sahara.c
@@ -601,7 +601,6 @@ static int sahara_aes_setkey(struct crypto_skcipher *tfm, const u8 *key,
unsigned int keylen)
{
struct sahara_ctx *ctx = crypto_skcipher_ctx(tfm);
- int ret;
ctx->keylen = keylen;
@@ -621,13 +620,7 @@ static int sahara_aes_setkey(struct crypto_skcipher *tfm, const u8 *key,
crypto_sync_skcipher_clear_flags(ctx->fallback, CRYPTO_TFM_REQ_MASK);
crypto_sync_skcipher_set_flags(ctx->fallback, tfm->base.crt_flags &
CRYPTO_TFM_REQ_MASK);
-
- ret = crypto_sync_skcipher_setkey(ctx->fallback, key, keylen);
-
- tfm->base.crt_flags &= ~CRYPTO_TFM_RES_MASK;
- tfm->base.crt_flags |= crypto_sync_skcipher_get_flags(ctx->fallback) &
- CRYPTO_TFM_RES_MASK;
- return ret;
+ return crypto_sync_skcipher_setkey(ctx->fallback, key, keylen);
}
static int sahara_aes_crypt(struct skcipher_request *req, unsigned long mode)