diff options
| author | Akhil R <akhilrajeev@nvidia.com> | 2025-02-24 14:46:04 +0530 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2025-03-08 16:22:23 +0800 |
| commit | dcf8b7e49b86738296c77fb58c123dd2d74a22a7 (patch) | |
| tree | 93e28fe815d2af1fd4ef2c027c4f456ebcfe07bf /drivers | |
| parent | 1e245948ca0c252f561792fabb45de5518301d97 (diff) | |
crypto: tegra - check return value for hash do_one_req
Initialize and check the return value in hash *do_one_req() functions
and exit the function if there is an error. This fixes the
'uninitialized variable' warnings reported by testbots.
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/202412071747.flPux4oB-lkp@intel.com/
Fixes: 0880bb3b00c8 ("crypto: tegra - Add Tegra Security Engine driver")
Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/crypto/tegra/tegra-se-aes.c | 10 | ||||
| -rw-r--r-- | drivers/crypto/tegra/tegra-se-hash.c | 7 |
2 files changed, 15 insertions, 2 deletions
diff --git a/drivers/crypto/tegra/tegra-se-aes.c b/drivers/crypto/tegra/tegra-se-aes.c index c7bb6f951a84..5ca7996ecc6d 100644 --- a/drivers/crypto/tegra/tegra-se-aes.c +++ b/drivers/crypto/tegra/tegra-se-aes.c @@ -1602,18 +1602,24 @@ static int tegra_cmac_do_one_req(struct crypto_engine *engine, void *areq) struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); struct tegra_cmac_ctx *ctx = crypto_ahash_ctx(tfm); struct tegra_se *se = ctx->se; - int ret; + int ret = 0; if (rctx->task & SHA_UPDATE) { ret = tegra_cmac_do_update(req); + if (ret) + goto out; + rctx->task &= ~SHA_UPDATE; } if (rctx->task & SHA_FINAL) { ret = tegra_cmac_do_final(req); + if (ret) + goto out; + rctx->task &= ~SHA_FINAL; } - +out: crypto_finalize_hash_request(se->engine, req, ret); return 0; diff --git a/drivers/crypto/tegra/tegra-se-hash.c b/drivers/crypto/tegra/tegra-se-hash.c index b4a179a8febd..0ae5ce67bdd0 100644 --- a/drivers/crypto/tegra/tegra-se-hash.c +++ b/drivers/crypto/tegra/tegra-se-hash.c @@ -437,14 +437,21 @@ static int tegra_sha_do_one_req(struct crypto_engine *engine, void *areq) if (rctx->task & SHA_UPDATE) { ret = tegra_sha_do_update(req); + if (ret) + goto out; + rctx->task &= ~SHA_UPDATE; } if (rctx->task & SHA_FINAL) { ret = tegra_sha_do_final(req); + if (ret) + goto out; + rctx->task &= ~SHA_FINAL; } +out: crypto_finalize_hash_request(se->engine, req, ret); return 0; |