A user of the skcipher api may have some private context associated with
a request, like for instance the algif_skcipher does, so the api needs to
return the original skcipher_request in the callback instead of the
ablkcipher_request subtype.
Cc: <sta...@vger.kernel.org> # 4.4.x-
Signed-off-by: Tadeusz Struk <tadeusz.st...@intel.com>
---
crypto/skcipher.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/crypto/skcipher.c b/crypto/skcipher.c
index 69230e9..22a9c2a 100644
--- a/crypto/skcipher.c
+++ b/crypto/skcipher.c
@@ -142,6 +142,13 @@ static int skcipher_setkey_ablkcipher(struct
crypto_skcipher *tfm,
return err;
}
+static void skcipher_complete(struct crypto_async_request *req_base, int err)
+{
+ struct skcipher_request *req = req_base->data;
+
+ req->base.complete(&req->base, err);
+}
+
static int skcipher_crypt_ablkcipher(struct skcipher_request *req,
int (*crypt)(struct ablkcipher_request *))
{
@@ -151,7 +158,7 @@ static int skcipher_crypt_ablkcipher(struct
skcipher_request *req,
ablkcipher_request_set_tfm(subreq, *ctx);
ablkcipher_request_set_callback(subreq, skcipher_request_flags(req),
- req->base.complete, req->base.data);
+ skcipher_complete, req);
ablkcipher_request_set_crypt(subreq, req->src, req->dst, req->cryptlen,
req->iv);
--
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