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Date: Mon, 14 Nov 2016 00:14:07 +0000 From: Ben Hutchings <ben@...adent.org.uk> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org CC: akpm@...ux-foundation.org, "Herbert Xu" <herbert@...dor.apana.org.au>, "Ard Biesheuvel" <ard.biesheuvel@...aro.org> Subject: [PATCH 3.2 095/152] crypto: cryptd - initialize child shash_desc on import 3.2.84-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Ard Biesheuvel <ard.biesheuvel@...aro.org> commit 0bd2223594a4dcddc1e34b15774a3a4776f7749e upstream. 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() Signed-off-by: Ard Biesheuvel <ard.biesheuvel@...aro.org> Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au> Signed-off-by: Ben Hutchings <ben@...adent.org.uk> --- crypto/cryptd.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) --- a/crypto/cryptd.c +++ b/crypto/cryptd.c @@ -565,9 +565,14 @@ static int cryptd_hash_export(struct aha 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); - return crypto_shash_import(&rctx->desc, in); + desc->tfm = ctx->child; + desc->flags = req->base.flags; + + return crypto_shash_import(desc, in); } static int cryptd_create_hash(struct crypto_template *tmpl, struct rtattr **tb,
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