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path: root/drivers/crypto/ccree/cc_aead.c
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Diffstat (limited to 'drivers/crypto/ccree/cc_aead.c')
-rw-r--r--drivers/crypto/ccree/cc_aead.c26
1 files changed, 20 insertions, 6 deletions
diff --git a/drivers/crypto/ccree/cc_aead.c b/drivers/crypto/ccree/cc_aead.c
index a9914ea6c95f..ce302adc76c7 100644
--- a/drivers/crypto/ccree/cc_aead.c
+++ b/drivers/crypto/ccree/cc_aead.c
@@ -2272,9 +2272,16 @@ out:
static int cc_rfc4543_gcm_encrypt(struct aead_request *req)
{
/* Very similar to cc_aead_encrypt() above. */
-
+ struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+ struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+ struct device *dev = drvdata_to_dev(ctx->drvdata);
struct aead_req_ctx *areq_ctx = aead_request_ctx(req);
- int rc;
+ int rc = -EINVAL;
+
+ if (!valid_assoclen(req)) {
+ dev_err(dev, "invalid Assoclen:%u\n", req->assoclen);
+ goto out;
+ }
memset(areq_ctx, 0, sizeof(*areq_ctx));
@@ -2291,7 +2298,7 @@ static int cc_rfc4543_gcm_encrypt(struct aead_request *req)
rc = cc_proc_aead(req, DRV_CRYPTO_DIRECTION_ENCRYPT);
if (rc != -EINPROGRESS && rc != -EBUSY)
req->iv = areq_ctx->backup_iv;
-
+out:
return rc;
}
@@ -2330,9 +2337,16 @@ out:
static int cc_rfc4543_gcm_decrypt(struct aead_request *req)
{
/* Very similar to cc_aead_decrypt() above. */
-
+ struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+ struct cc_aead_ctx *ctx = crypto_aead_ctx(tfm);
+ struct device *dev = drvdata_to_dev(ctx->drvdata);
struct aead_req_ctx *areq_ctx = aead_request_ctx(req);
- int rc;
+ int rc = -EINVAL;
+
+ if (!valid_assoclen(req)) {
+ dev_err(dev, "invalid Assoclen:%u\n", req->assoclen);
+ goto out;
+ }
memset(areq_ctx, 0, sizeof(*areq_ctx));
@@ -2349,7 +2363,7 @@ static int cc_rfc4543_gcm_decrypt(struct aead_request *req)
rc = cc_proc_aead(req, DRV_CRYPTO_DIRECTION_DECRYPT);
if (rc != -EINPROGRESS && rc != -EBUSY)
req->iv = areq_ctx->backup_iv;
-
+out:
return rc;
}