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From: Karel Zak <kzak@redhat.com>
To: Doug Anderson <dianders@chromium.org>
Cc: linux-kernel@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	Jens Axboe <axboe@kernel.dk>,
	Matt Fleming <matt.fleming@intel.com>,
	Sean Paul <seanpaul@chromium.org>,
	Olof Johansson <olof@lixom.net>,
	Bill Richardson <wfrichar@chromium.org>,
	Josh Triplett <josh@joshtriplett.org>,
	Davidlohr Bueso <davidlohr@hp.com>
Subject: Re: [PATCH] partitions/efi: treat size mismatch as a warning, not an error
Date: Fri, 11 Oct 2013 11:51:39 +0200	[thread overview]
Message-ID: <20131011095139.GA24613@x2.net.home> (raw)
In-Reply-To: <1381447702-6240-1-git-send-email-dianders@chromium.org>

On Thu, Oct 10, 2013 at 04:28:22PM -0700, Doug Anderson wrote:
> +	 *
> +	 * Consider a bad value here to be a warning to support dd-ing
> +	 * an image from a smaller disk to a bigger disk.
>  	 */
>  	if (ret == GPT_MBR_PROTECTIVE) {
>  		sz = le32_to_cpu(mbr->partition_record[part].size_in_lba);
>  		if (sz != (uint32_t) total_sectors - 1 && sz != 0xFFFFFFFF)
> -			ret = 0;
> +			pr_warn("%s: mbr size mismatch (%u != %u)\n", __func__,
> +				sz, (uint32_t)((uint32_t) total_sectors - 1));
>  	}

 I did the same change to util-linux v2.24 fdisk, so you can use the fdisk
 to update your protective MBR and boot without warnings.

    Karel

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

  parent reply	other threads:[~2013-10-11  9:52 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-09 23:26 Regression parsing GPT (EFI) partition tables Josh Triplett
2013-10-10  0:37 ` Davidlohr Bueso
2013-10-10 20:15   ` Doug Anderson
2013-10-10 21:26     ` Davidlohr Bueso
2013-10-10 21:53       ` Bill Richardson
2013-10-10 22:31         ` Davidlohr Bueso
2013-10-10 23:40           ` Doug Anderson
2013-10-10 22:29       ` Doug Anderson
2013-10-10 22:49         ` Davidlohr Bueso
2013-10-10 23:28 ` [PATCH] partitions/efi: treat size mismatch as a warning, not an error Doug Anderson
2013-10-11  0:25   ` Josh Triplett
2013-10-11  0:31   ` Davidlohr Bueso
2013-10-11 15:48     ` Doug Anderson
2013-10-11  9:51   ` Karel Zak [this message]
2013-10-11 15:53     ` Doug Anderson
2013-10-11 15:47   ` [PATCH v2] " Doug Anderson
2013-10-11 16:11     ` Davidlohr Bueso

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