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@@ -40,7 +40,7 @@ struct crypto_rfc4106_ctx {
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struct crypto_gcm_ghash_ctx {
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unsigned int cryptlen;
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struct scatterlist *src;
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- crypto_completion_t complete;
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+ void (*complete)(struct aead_request *req, int err);
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};
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struct crypto_gcm_req_priv_ctx {
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@@ -267,23 +267,26 @@ static int gcm_hash_final(struct aead_request *req,
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return crypto_ahash_final(ahreq);
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}
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-static void gcm_hash_final_done(struct crypto_async_request *areq,
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- int err)
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+static void __gcm_hash_final_done(struct aead_request *req, int err)
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{
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- struct aead_request *req = areq->data;
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struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
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struct crypto_gcm_ghash_ctx *gctx = &pctx->ghash_ctx;
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if (!err)
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crypto_xor(pctx->auth_tag, pctx->iauth_tag, 16);
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- gctx->complete(areq, err);
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+ gctx->complete(req, err);
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}
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-static void gcm_hash_len_done(struct crypto_async_request *areq,
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- int err)
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+static void gcm_hash_final_done(struct crypto_async_request *areq, int err)
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{
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struct aead_request *req = areq->data;
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+
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+ __gcm_hash_final_done(req, err);
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+}
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+
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+static void __gcm_hash_len_done(struct aead_request *req, int err)
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+{
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struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
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if (!err) {
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@@ -292,13 +295,18 @@ static void gcm_hash_len_done(struct crypto_async_request *areq,
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return;
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}
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- gcm_hash_final_done(areq, err);
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+ __gcm_hash_final_done(req, err);
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}
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-static void gcm_hash_crypt_remain_done(struct crypto_async_request *areq,
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- int err)
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+static void gcm_hash_len_done(struct crypto_async_request *areq, int err)
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{
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struct aead_request *req = areq->data;
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+
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+ __gcm_hash_len_done(req, err);
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+}
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+
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+static void __gcm_hash_crypt_remain_done(struct aead_request *req, int err)
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+{
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struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
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if (!err) {
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@@ -307,13 +315,19 @@ static void gcm_hash_crypt_remain_done(struct crypto_async_request *areq,
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return;
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}
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- gcm_hash_len_done(areq, err);
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+ __gcm_hash_len_done(req, err);
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}
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-static void gcm_hash_crypt_done(struct crypto_async_request *areq,
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- int err)
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+static void gcm_hash_crypt_remain_done(struct crypto_async_request *areq,
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+ int err)
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{
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struct aead_request *req = areq->data;
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+
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+ __gcm_hash_crypt_remain_done(req, err);
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+}
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+
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+static void __gcm_hash_crypt_done(struct aead_request *req, int err)
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+{
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struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
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struct crypto_gcm_ghash_ctx *gctx = &pctx->ghash_ctx;
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unsigned int remain;
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@@ -327,13 +341,18 @@ static void gcm_hash_crypt_done(struct crypto_async_request *areq,
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return;
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}
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- gcm_hash_crypt_remain_done(areq, err);
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+ __gcm_hash_crypt_remain_done(req, err);
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}
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-static void gcm_hash_assoc_remain_done(struct crypto_async_request *areq,
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- int err)
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+static void gcm_hash_crypt_done(struct crypto_async_request *areq, int err)
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{
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struct aead_request *req = areq->data;
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+
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+ __gcm_hash_crypt_done(req, err);
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+}
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+
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+static void __gcm_hash_assoc_remain_done(struct aead_request *req, int err)
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+{
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struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
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struct crypto_gcm_ghash_ctx *gctx = &pctx->ghash_ctx;
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crypto_completion_t complete;
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@@ -350,15 +369,21 @@ static void gcm_hash_assoc_remain_done(struct crypto_async_request *areq,
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}
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if (remain)
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- gcm_hash_crypt_done(areq, err);
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+ __gcm_hash_crypt_done(req, err);
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else
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- gcm_hash_crypt_remain_done(areq, err);
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+ __gcm_hash_crypt_remain_done(req, err);
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}
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-static void gcm_hash_assoc_done(struct crypto_async_request *areq,
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- int err)
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+static void gcm_hash_assoc_remain_done(struct crypto_async_request *areq,
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+ int err)
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{
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struct aead_request *req = areq->data;
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+
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+ __gcm_hash_assoc_remain_done(req, err);
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+}
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+
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+static void __gcm_hash_assoc_done(struct aead_request *req, int err)
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+{
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struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
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unsigned int remain;
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@@ -371,13 +396,18 @@ static void gcm_hash_assoc_done(struct crypto_async_request *areq,
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return;
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}
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- gcm_hash_assoc_remain_done(areq, err);
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+ __gcm_hash_assoc_remain_done(req, err);
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}
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-static void gcm_hash_init_done(struct crypto_async_request *areq,
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- int err)
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+static void gcm_hash_assoc_done(struct crypto_async_request *areq, int err)
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{
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struct aead_request *req = areq->data;
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+
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+ __gcm_hash_assoc_done(req, err);
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+}
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+
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+static void __gcm_hash_init_done(struct aead_request *req, int err)
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+{
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struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
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crypto_completion_t complete;
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unsigned int remain = 0;
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@@ -393,9 +423,16 @@ static void gcm_hash_init_done(struct crypto_async_request *areq,
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}
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if (remain)
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- gcm_hash_assoc_done(areq, err);
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+ __gcm_hash_assoc_done(req, err);
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else
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- gcm_hash_assoc_remain_done(areq, err);
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+ __gcm_hash_assoc_remain_done(req, err);
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+}
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+
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+static void gcm_hash_init_done(struct crypto_async_request *areq, int err)
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+{
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+ struct aead_request *req = areq->data;
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+
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+ __gcm_hash_init_done(req, err);
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}
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static int gcm_hash(struct aead_request *req,
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@@ -457,10 +494,8 @@ static void gcm_enc_copy_hash(struct aead_request *req,
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crypto_aead_authsize(aead), 1);
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}
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-static void gcm_enc_hash_done(struct crypto_async_request *areq,
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- int err)
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+static void gcm_enc_hash_done(struct aead_request *req, int err)
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{
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- struct aead_request *req = areq->data;
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struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
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if (!err)
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@@ -469,8 +504,7 @@ static void gcm_enc_hash_done(struct crypto_async_request *areq,
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aead_request_complete(req, err);
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}
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-static void gcm_encrypt_done(struct crypto_async_request *areq,
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- int err)
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+static void gcm_encrypt_done(struct crypto_async_request *areq, int err)
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{
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struct aead_request *req = areq->data;
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struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
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@@ -479,9 +513,13 @@ static void gcm_encrypt_done(struct crypto_async_request *areq,
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err = gcm_hash(req, pctx);
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if (err == -EINPROGRESS || err == -EBUSY)
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return;
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+ else if (!err) {
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+ crypto_xor(pctx->auth_tag, pctx->iauth_tag, 16);
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+ gcm_enc_copy_hash(req, pctx);
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+ }
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}
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- gcm_enc_hash_done(areq, err);
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+ aead_request_complete(req, err);
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}
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static int crypto_gcm_encrypt(struct aead_request *req)
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@@ -538,9 +576,8 @@ static void gcm_decrypt_done(struct crypto_async_request *areq, int err)
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aead_request_complete(req, err);
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}
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-static void gcm_dec_hash_done(struct crypto_async_request *areq, int err)
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+static void gcm_dec_hash_done(struct aead_request *req, int err)
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{
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- struct aead_request *req = areq->data;
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struct crypto_gcm_req_priv_ctx *pctx = crypto_gcm_reqctx(req);
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struct ablkcipher_request *abreq = &pctx->u.abreq;
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struct crypto_gcm_ghash_ctx *gctx = &pctx->ghash_ctx;
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@@ -552,9 +589,11 @@ static void gcm_dec_hash_done(struct crypto_async_request *areq, int err)
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err = crypto_ablkcipher_decrypt(abreq);
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if (err == -EINPROGRESS || err == -EBUSY)
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return;
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+ else if (!err)
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+ err = crypto_gcm_verify(req, pctx);
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}
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- gcm_decrypt_done(areq, err);
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+ aead_request_complete(req, err);
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}
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static int crypto_gcm_decrypt(struct aead_request *req)
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