From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D143A269D04; Tue, 8 Apr 2025 12:45:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744116326; cv=none; b=UHGYfzv8A7+4gc71OnT+edjoMI/OShCQPfArgzgoQkJ7aSfWh7m+kGe7F9383vr8/c8Gp3XU0kuqz43BMlgdELvwv6pm5sp09mMP4T6WTyHeypm9aJIPzxltztd66EgTQc0fVNyJqwmm8SsuGZ8DJ6afhwh5WBz5n0wxCMeah+M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744116326; c=relaxed/simple; bh=UfSnkyoqpnQfB+qnYP10M68WBxoyYYHkiRteD6c74gY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gfir3sr1OuJk4lwCHFvehYYvn9kVIlewW6TTuPdFxHdwfFthrCYfnxfEcHi6ysveQ0idTPP8wJICSlfEcsR5zt0/CFSaISGpDgVCUh3j8XqAdgy7z1OwExE4Nr/MFaTCHk9WwMS1BO4feq7YEze0y7G5fedP/X7c86B7da6j2+A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=zlHdjs4g; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="zlHdjs4g" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 62588C4CEE5; Tue, 8 Apr 2025 12:45:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1744116326; bh=UfSnkyoqpnQfB+qnYP10M68WBxoyYYHkiRteD6c74gY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zlHdjs4gk+7+bnlfsEACFyDVUAdMA1uIOQLNTPezyUHu6Dee5VWeRLGEM4obU4vDO Np4fAGmiN5SC6DPW3ff2sQsb7aGuoKzb1OgcXfTFKXUtEx/KPY69KpIKHhRUCLVFVZ vF81jQZPT6lxhPUBgeD0lE42yHswnOiM4yLw1lnU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, kernel test robot , Dan Carpenter , Akhil R , Herbert Xu , Sasha Levin Subject: [PATCH 6.12 100/423] crypto: tegra - check return value for hash do_one_req Date: Tue, 8 Apr 2025 12:47:06 +0200 Message-ID: <20250408104848.065150594@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250408104845.675475678@linuxfoundation.org> References: <20250408104845.675475678@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Akhil R [ Upstream commit dcf8b7e49b86738296c77fb58c123dd2d74a22a7 ] 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 Reported-by: Dan Carpenter 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 Signed-off-by: Herbert Xu Signed-off-by: Sasha Levin --- 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 b42f791667c64..06f60260e0a0f 100644 --- a/drivers/crypto/tegra/tegra-se-aes.c +++ b/drivers/crypto/tegra/tegra-se-aes.c @@ -1581,18 +1581,24 @@ 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 c7b2a062a03c0..5aead114bd967 100644 --- a/drivers/crypto/tegra/tegra-se-hash.c +++ b/drivers/crypto/tegra/tegra-se-hash.c @@ -417,14 +417,21 @@ 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; -- 2.39.5