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-rw-r--r--crypto/authenc.c24
1 files changed, 17 insertions, 7 deletions
diff --git a/crypto/authenc.c b/crypto/authenc.c
index 2bb7348d8d5..b9884ee0adb 100644
--- a/crypto/authenc.c
+++ b/crypto/authenc.c
@@ -46,6 +46,12 @@ struct authenc_request_ctx {
char tail[];
};
+static void authenc_request_complete(struct aead_request *req, int err)
+{
+ if (err != -EINPROGRESS)
+ aead_request_complete(req, err);
+}
+
static int crypto_authenc_setkey(struct crypto_aead *authenc, const u8 *key,
unsigned int keylen)
{
@@ -142,7 +148,7 @@ static void authenc_geniv_ahash_update_done(struct crypto_async_request *areq,
crypto_aead_authsize(authenc), 1);
out:
- aead_request_complete(req, err);
+ authenc_request_complete(req, err);
}
static void authenc_geniv_ahash_done(struct crypto_async_request *areq, int err)
@@ -175,6 +181,7 @@ static void authenc_verify_ahash_update_done(struct crypto_async_request *areq,
struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc);
struct authenc_request_ctx *areq_ctx = aead_request_ctx(req);
struct ahash_request *ahreq = (void *)(areq_ctx->tail + ctx->reqoff);
+ unsigned int cryptlen = req->cryptlen;
if (err)
goto out;
@@ -190,6 +197,7 @@ static void authenc_verify_ahash_update_done(struct crypto_async_request *areq,
goto out;
authsize = crypto_aead_authsize(authenc);
+ cryptlen -= authsize;
ihash = ahreq->result + authsize;
scatterwalk_map_and_copy(ihash, areq_ctx->sg, areq_ctx->cryptlen,
authsize, 0);
@@ -203,12 +211,12 @@ static void authenc_verify_ahash_update_done(struct crypto_async_request *areq,
ablkcipher_request_set_callback(abreq, aead_request_flags(req),
req->base.complete, req->base.data);
ablkcipher_request_set_crypt(abreq, req->src, req->dst,
- req->cryptlen, req->iv);
+ cryptlen, req->iv);
err = crypto_ablkcipher_decrypt(abreq);
out:
- aead_request_complete(req, err);
+ authenc_request_complete(req, err);
}
static void authenc_verify_ahash_done(struct crypto_async_request *areq,
@@ -222,11 +230,13 @@ static void authenc_verify_ahash_done(struct crypto_async_request *areq,
struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc);
struct authenc_request_ctx *areq_ctx = aead_request_ctx(req);
struct ahash_request *ahreq = (void *)(areq_ctx->tail + ctx->reqoff);
+ unsigned int cryptlen = req->cryptlen;
if (err)
goto out;
authsize = crypto_aead_authsize(authenc);
+ cryptlen -= authsize;
ihash = ahreq->result + authsize;
scatterwalk_map_and_copy(ihash, areq_ctx->sg, areq_ctx->cryptlen,
authsize, 0);
@@ -240,12 +250,12 @@ static void authenc_verify_ahash_done(struct crypto_async_request *areq,
ablkcipher_request_set_callback(abreq, aead_request_flags(req),
req->base.complete, req->base.data);
ablkcipher_request_set_crypt(abreq, req->src, req->dst,
- req->cryptlen, req->iv);
+ cryptlen, req->iv);
err = crypto_ablkcipher_decrypt(abreq);
out:
- aead_request_complete(req, err);
+ authenc_request_complete(req, err);
}
static u8 *crypto_authenc_ahash_fb(struct aead_request *req, unsigned int flags)
@@ -379,7 +389,7 @@ static void crypto_authenc_encrypt_done(struct crypto_async_request *req,
err = crypto_authenc_genicv(areq, iv, 0);
}
- aead_request_complete(areq, err);
+ authenc_request_complete(areq, err);
}
static int crypto_authenc_encrypt(struct aead_request *req)
@@ -420,7 +430,7 @@ static void crypto_authenc_givencrypt_done(struct crypto_async_request *req,
err = crypto_authenc_genicv(areq, greq->giv, 0);
}
- aead_request_complete(areq, err);
+ authenc_request_complete(areq, err);
}
static int crypto_authenc_givencrypt(struct aead_givcrypt_request *req)