linux-kernel - RE: [PATCH v5 3/5] crypto: tegra: Add Tegra Security Engine driver

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Message-ID:
 <SJ1PR12MB63392983F30CA57CBCB69B93C05F2@SJ1PR12MB6339.namprd12.prod.outlook.com>
Date: Thu, 29 Feb 2024 09:20:48 +0000
From: Akhil R <akhilrajeev@...dia.com>
To: "herbert@...dor.apana.org.au" <herbert@...dor.apana.org.au>,
	"davem@...emloft.net" <davem@...emloft.net>, "robh+dt@...nel.org"
	<robh+dt@...nel.org>, "krzysztof.kozlowski+dt@...aro.org"
	<krzysztof.kozlowski+dt@...aro.org>, "conor+dt@...nel.org"
	<conor+dt@...nel.org>, "thierry.reding@...il.com" <thierry.reding@...il.com>,
	Jon Hunter <jonathanh@...dia.com>, "catalin.marinas@....com"
	<catalin.marinas@....com>, "will@...nel.org" <will@...nel.org>, Mikko
 Perttunen <mperttunen@...dia.com>, "linux-crypto@...r.kernel.org"
	<linux-crypto@...r.kernel.org>, "devicetree@...r.kernel.org"
	<devicetree@...r.kernel.org>, "linux-tegra@...r.kernel.org"
	<linux-tegra@...r.kernel.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, "krzk@...nel.org" <krzk@...nel.org>
Subject: RE: [PATCH v5 3/5] crypto: tegra: Add Tegra Security Engine driver

> +
> +static int tegra_sha_export(struct ahash_request *req, void *out)
> +{
> +	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 i;
> +
> +	if (ctx->fallback)
> +		return tegra_sha_fallback_export(req, out);
> +
> +	memcpy(out, rctx, sizeof(*rctx));
> +
> +	return 0;
> +}
> +
> +static int tegra_sha_import(struct ahash_request *req, const void *in)
> +{
> +	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 i;
Got a warning from testbot for an unused variable here as well as in the export()
function. I will fix that in the next revision.

Do we have any other concerns with the driver currently, which I can address
in the next revision?

Regards,
Akhil