linux-kernel - Re: [PATCH v2 4/5] ACPI / extlog: Switch to use new generic UUID API

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Date:   Mon, 5 Jun 2017 18:06:26 +0200
From:   Christoph Hellwig <hch@....de>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Christoph Hellwig <hch@....de>, linux-kernel@...r.kernel.org,
        "Rafael J . Wysocki " <rjw@...ysocki.net>,
        linux-acpi@...r.kernel.org,
        Dan Williams <dan.j.williams@...el.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Borislav Petkov <bp@...e.de>, intel-gfx@...ts.freedesktop.org
Subject: Re: [PATCH v2 4/5] ACPI / extlog: Switch to use new generic UUID
        API

> @@ -165,11 +165,11 @@ static int extlog_print(struct notifier_block *nb, unsigned long val,
>  	err_seq++;
>  	gdata = (struct acpi_hest_generic_data *)(tmp + 1);
>  	if (gdata->validation_bits & CPER_SEC_VALID_FRU_ID)
> -		fru_id = (uuid_le *)gdata->fru_id;
> +		fru_id = (guid_t *)gdata->fru_id;
>  	if (gdata->validation_bits & CPER_SEC_VALID_FRU_TEXT)
>  		fru_text = gdata->fru_text;
> -	sec_type = (uuid_le *)gdata->section_type;
> -	if (!uuid_le_cmp(*sec_type, CPER_SEC_PLATFORM_MEM)) {
> +	sec_type = (guid_t *)gdata->section_type;

>From a quick look over the tree it seems like both fru_id and
section_type should be declared as guid_t in
struct acpi_hest_generic_data.

> +	if (!guid_equal(sec_type, &CPER_SEC_PLATFORM_MEM)) {

The "!" seems incorrect here.