linux-kernel - Re: [PATCH v3 5/5] soc: qcom: socinfo: Expose image information

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20190221163410.GE8727@kroah.com>
Date:   Thu, 21 Feb 2019 17:34:10 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Vaishali Thakkar <vaishali.thakkar@...aro.org>
Cc:     andy.gross@...aro.org, david.brown@...aro.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        rafael@...nel.org, bjorn.andersson@...aro.org, vkoul@...nel.org
Subject: Re: [PATCH v3 5/5] soc: qcom: socinfo: Expose image information

On Thu, Feb 21, 2019 at 09:54:19PM +0530, Vaishali Thakkar wrote:
>  static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo)
>  {
> +	struct smem_image_version *smem_image_version;
> +	size_t size;
> +
>  	qcom_socinfo->dbg_root = debugfs_create_dir("qcom_socinfo", NULL);
>  
>  	DEBUGFS_UINT_ADD(raw_version);
> @@ -314,6 +432,98 @@ static void socinfo_debugfs_init(struct qcom_socinfo *qcom_socinfo)
>  	DEBUGFS_ADD(pmic_model);
>  	DEBUGFS_ADD(platform_subtype);
>  	DEBUGFS_ADD(pmic_die_revision);
> +
> +	smem_image_version = qcom_smem_get(QCOM_SMEM_HOST_ANY,
> +					   SMEM_IMAGE_VERSION_TABLE,
> +					   &size);
> +
> +	qcom_socinfo->boot = debugfs_create_dir("boot",
> +						qcom_socinfo->dbg_root);
> +	if (!qcom_socinfo->boot) {
> +		pr_err("Cannot create boot image directory\n");
> +		return;
> +	}

You do not care, do not check please.  Also, even if you wanted to
check, your error checking was wrong :)

> +	DEBUGFS_IMAGE_NAME(name, boot, SMEM_IMAGE_TABLE_BOOT_INDEX);
> +	DEBUGFS_IMAGE_VARIANT(variant, boot, SMEM_IMAGE_TABLE_BOOT_INDEX);
> +	DEBUGFS_IMAGE_OEM(oem, boot, SMEM_IMAGE_TABLE_BOOT_INDEX);
> +
> +	qcom_socinfo->tz = debugfs_create_dir("tz",
> +					      qcom_socinfo->dbg_root);
> +	if (!qcom_socinfo->tz) {
> +		pr_err("Cannot create tz image directory\n");
> +		return;
> +	}

Same here, no error checking please.

> +	DEBUGFS_IMAGE_NAME(name, tz, SMEM_IMAGE_TABLE_TZ_INDEX);
> +	DEBUGFS_IMAGE_VARIANT(variant, tz, SMEM_IMAGE_TABLE_TZ_INDEX);
> +	DEBUGFS_IMAGE_OEM(oem, tz, SMEM_IMAGE_TABLE_TZ_INDEX);
> +
> +	qcom_socinfo->rpm = debugfs_create_dir("rpm",
> +					       qcom_socinfo->dbg_root);
> +	if (!qcom_socinfo->rpm) {
> +		pr_err("Cannot create rpm image directory\n");
> +		return;
> +	}

And here.

> +	DEBUGFS_IMAGE_NAME(name, rpm, SMEM_IMAGE_TABLE_RPM_INDEX);
> +	DEBUGFS_IMAGE_VARIANT(variant, rpm, SMEM_IMAGE_TABLE_RPM_INDEX);
> +	DEBUGFS_IMAGE_OEM(oem, rpm, SMEM_IMAGE_TABLE_RPM_INDEX);
> +
> +	qcom_socinfo->apps = debugfs_create_dir("apps",
> +						qcom_socinfo->dbg_root);
> +	if (!qcom_socinfo->apps) {
> +		pr_err("Cannot create apps image directory\n");
> +		return;
> +	}

And here.

> +	DEBUGFS_IMAGE_NAME(name, apps, SMEM_IMAGE_TABLE_APPS_INDEX);
> +	DEBUGFS_IMAGE_VARIANT(variant, apps, SMEM_IMAGE_TABLE_APPS_INDEX);
> +	DEBUGFS_IMAGE_OEM(oem, apps, SMEM_IMAGE_TABLE_APPS_INDEX);
> +
> +	qcom_socinfo->mpss = debugfs_create_dir("mpss",
> +						qcom_socinfo->dbg_root);
> +	if (!qcom_socinfo->mpss) {
> +		pr_err("Cannot create mpss image directory\n");
> +		return;
> +	}

Yet again...

> +
> +	DEBUGFS_IMAGE_NAME(name, mpss, SMEM_IMAGE_TABLE_MPSS_INDEX);
> +	DEBUGFS_IMAGE_VARIANT(variant, mpss, SMEM_IMAGE_TABLE_MPSS_INDEX);
> +	DEBUGFS_IMAGE_OEM(oem, mpss, SMEM_IMAGE_TABLE_MPSS_INDEX);
> +
> +	qcom_socinfo->adsp = debugfs_create_dir("adsp",
> +						qcom_socinfo->dbg_root);
> +	if (!qcom_socinfo->adsp) {
> +		pr_err("Cannot create adsp image directory\n");
> +		return;
> +	}

And again...

> +
> +	DEBUGFS_IMAGE_NAME(name, adsp, SMEM_IMAGE_TABLE_ADSP_INDEX);
> +	DEBUGFS_IMAGE_VARIANT(variant, adsp, SMEM_IMAGE_TABLE_ADSP_INDEX);
> +	DEBUGFS_IMAGE_OEM(oem, adsp, SMEM_IMAGE_TABLE_ADSP_INDEX);
> +
> +	qcom_socinfo->cnss = debugfs_create_dir("cnss",
> +						qcom_socinfo->dbg_root);
> +	if (!qcom_socinfo->cnss) {
> +		pr_err("Cannot create cnss image directory\n");
> +		return;
> +	}

And again...

> +
> +	DEBUGFS_IMAGE_NAME(name, cnss, SMEM_IMAGE_TABLE_CNSS_INDEX);
> +	DEBUGFS_IMAGE_VARIANT(variant, cnss, SMEM_IMAGE_TABLE_CNSS_INDEX);
> +	DEBUGFS_IMAGE_OEM(oem, cnss, SMEM_IMAGE_TABLE_CNSS_INDEX);
> +
> +	qcom_socinfo->video = debugfs_create_dir("video",
> +						 qcom_socinfo->dbg_root);
> +	if (!qcom_socinfo->video) {
> +		pr_err("Cannot create video image directory\n");
> +		return;
> +	}

And one last time.

There, you get to delete a bunch of code, that's always fun :)

thanks,

greg k-h