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@xxxxxxxxx> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Closes: https://lore.kernel.org/r/202412071747.flPux4oB-lkp@xxxxxxxxx/ Fixes: 0880bb3b00c8 ("crypto: tegra - Add Tegra Security Engine driver") Signed-off-by: Akhil R <akhilrajeev@xxxxxxxxxx> --- drivers/crypto/tegra/tegra-se-aes.c | 10 ++++++++-- 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 b80786c5e4fd..6ed6da0ecc32 100644 --- a/drivers/crypto/tegra/tegra-se-aes.c +++ b/drivers/crypto/tegra/tegra-se-aes.c @@ -1596,18 +1596,24 @@ 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 aed82d82b5fb..d35bce81e017 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; -- 2.43.2
