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| author | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2016-09-01 14:25:43 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2016-09-07 21:04:36 +0800 |
| commit | 0bd2223594a4dcddc1e34b15774a3a4776f7749e (patch) | |
| tree | b4b590508cb653ed43308b63ce1c4ec9dcfd255f /crypto/cryptd.c | |
| parent | 8b18e2359aff2ab810aba84cebffc9da07fef78f (diff) | |
| download | lwn-0bd2223594a4dcddc1e34b15774a3a4776f7749e.tar.gz lwn-0bd2223594a4dcddc1e34b15774a3a4776f7749e.zip | |
crypto: cryptd - initialize child shash_desc on import
When calling .import() on a cryptd ahash_request, the structure members
that describe the child transform in the shash_desc need to be initialized
like they are when calling .init()
Cc: stable@vger.kernel.org
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/cryptd.c')
| -rw-r--r-- | crypto/cryptd.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/crypto/cryptd.c b/crypto/cryptd.c index 77207b41940c..0c654e59f215 100644 --- a/crypto/cryptd.c +++ b/crypto/cryptd.c @@ -631,9 +631,14 @@ static int cryptd_hash_export(struct ahash_request *req, void *out) static int cryptd_hash_import(struct ahash_request *req, const void *in) { - struct cryptd_hash_request_ctx *rctx = ahash_request_ctx(req); + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + struct cryptd_hash_ctx *ctx = crypto_ahash_ctx(tfm); + struct shash_desc *desc = cryptd_shash_desc(req); + + desc->tfm = ctx->child; + desc->flags = req->base.flags; - return crypto_shash_import(&rctx->desc, in); + return crypto_shash_import(desc, in); } static int cryptd_create_hash(struct crypto_template *tmpl, struct rtattr **tb, |