linux-kernel - Re: [PATCH v2] efi: take size of partition entry from GPT header

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Message-ID: <20180912083844.iegei2kobcz4b7ag@ws.net.home>
Date:   Wed, 12 Sep 2018 10:38:44 +0200
From:   Karel Zak <kzak@...hat.com>
To:     Eugene Korenevsky <ekorenevsky@...il.com>,
        Davidlohr Bueso <dave@...olabs.net>, linux-efi@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>
Subject: Re: [PATCH v2] efi: take size of partition entry from GPT header

On Tue, Sep 11, 2018 at 07:15:27PM +0300, Eugene Korenevsky wrote:
> +static gpt_entry *get_gpt_entry(gpt_header *gpt_hdr, gpt_entry *ptes, u32 index)
> +{
> +	return (gpt_entry *)((u8 *)ptes + gpt->sizeof_partition_entry * index);

I guess header use LE, so you need:

               le32_to_cpu(gpt_hdr->sizeof_partition_entry)

    Karel

-- 
 Karel Zak  <kzak@...hat.com>
 http://karelzak.blogspot.com