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authorChen Ridong <chenridong@huawei.com>2024-11-11 01:28:27 +0000
committerHerbert Xu <herbert@gondor.apana.org.au>2024-12-10 13:44:20 +0800
commit15589bda46830695a3261518bb7627afac61f519 (patch)
tree0ff555917c4383c5e19baf18df9caac21cd371ae /drivers/crypto
parentcd26cd65476711e2c69e0a049c0eeef4b743f5ac (diff)
crypto: tegra - do not transfer req when tegra init fails
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: 0880bb3b00c8 ("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>
Diffstat (limited to 'drivers/crypto')
-rw-r--r--drivers/crypto/tegra/tegra-se-aes.c7
-rw-r--r--drivers/crypto/tegra/tegra-se-hash.c7
2 files changed, 10 insertions, 4 deletions
diff --git a/drivers/crypto/tegra/tegra-se-aes.c b/drivers/crypto/tegra/tegra-se-aes.c
index 9d130592cc0a..d734c9a56786 100644
--- a/drivers/crypto/tegra/tegra-se-aes.c
+++ b/drivers/crypto/tegra/tegra-se-aes.c
@@ -1750,10 +1750,13 @@ 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);
}
diff --git a/drivers/crypto/tegra/tegra-se-hash.c b/drivers/crypto/tegra/tegra-se-hash.c
index 4d4bd727f498..0b5cdd5676b1 100644
--- a/drivers/crypto/tegra/tegra-se-hash.c
+++ b/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);
}