crypto: tegra - do not transfer req when tegra init fails

jira LE-4159
Rebuild_History Non-Buildable kernel-5.14.0-570.41.1.el9_6
commit-author Chen Ridong <chenridong@huawei.com>
commit 15589bd

The tegra_cmac_init or tegra_sha_init function may return an error when
memory is exhausted. It should not transfer the request when they return
an error.

Fixes: 0880bb3 ("crypto: tegra - Add Tegra Security Engine driver")
	Signed-off-by: Chen Ridong <chenridong@huawei.com>
	Acked-by: Akhil R <akhilrajeev@nvidia.com>
	Acked-by: Thierry Reding <treding@nvidia.com>
	Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
(cherry picked from commit 15589bd)
	Signed-off-by: Jonathan Maple <jmaple@ciq.com>

Author: PlaidCat

drivers/crypto/tegra/tegra-se-aes.c

@@ -1752,10 +1752,13 @@ static int tegra_cmac_digest(struct ahash_request *req)
 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
 	struct tegra_cmac_ctx *ctx = crypto_ahash_ctx(tfm);
 	struct tegra_cmac_reqctx *rctx = ahash_request_ctx(req);
+	int ret;
 
-	tegra_cmac_init(req);
-	rctx->task |= SHA_UPDATE | SHA_FINAL;
+	ret = tegra_cmac_init(req);
+	if (ret)
+		return ret;
 
+	rctx->task |= SHA_UPDATE | SHA_FINAL;
 	return crypto_transfer_hash_request_to_engine(ctx->se->engine, req);
 }
 

drivers/crypto/tegra/tegra-se-hash.c

@@ -615,13 +615,16 @@ static int tegra_sha_digest(struct ahash_request *req)
 	struct tegra_sha_reqctx *rctx = ahash_request_ctx(req);
 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
 	struct tegra_sha_ctx *ctx = crypto_ahash_ctx(tfm);
+	int ret;
 
 	if (ctx->fallback)
 		return tegra_sha_fallback_digest(req);
 
-	tegra_sha_init(req);
-	rctx->task |= SHA_UPDATE | SHA_FINAL;
+	ret = tegra_sha_init(req);
+	if (ret)
+		return ret;
 
+	rctx->task |= SHA_UPDATE | SHA_FINAL;
 	return crypto_transfer_hash_request_to_engine(ctx->se->engine, req);
 }