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

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[ Upstream commit 15589bda46830695a3261518bb7627afac61f519 ]

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: 0880bb3b00 ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Chen Ridong
2024-11-11 01:28:27 +00:00
committed by Greg Kroah-Hartman
parent 2122e8553c
commit 1dbc270f9d
2 changed files with 10 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/crypto/tegra/tegra-se-aes.c
+5 -2
View File
@@ -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;
ret = tegra_cmac_init(req);
if (ret)
return ret;
tegra_cmac_init(req);
rctx->task |= SHA_UPDATE | SHA_FINAL;
return crypto_transfer_hash_request_to_engine(ctx->se->engine, req);
}
drivers/crypto/tegra/tegra-se-hash.c
+5 -2
View File
@@ -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);
}