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From: Scott Moser <smoser@ubuntu.com>
To: "Dale R. Worley" <worley@alum.mit.edu>
Cc: util-linux@vger.kernel.org
Subject: Re: GPT writing of unknown partition uuids
Date: Wed, 15 Jul 2015 09:28:32 -0400 (EDT)	[thread overview]
Message-ID: <alpine.DEB.2.02.1507150920190.30147@brickies> (raw)
In-Reply-To: <87mvyymf1p.fsf@hobgoblin.ariadne.com>

On Tue, 14 Jul 2015, Dale R. Worley wrote:

> Scott Moser <smoser@ubuntu.com> writes:
> > If sfdisk does not know the uuid provided, it silently falls back to
> > 0FC63DAF-8483-4772-8E79-3D69D8477DE4 (Linux filesystem).
> >
> > It seems like if the user provided you with a GUID, sfdisk should trust
> > them, or at very least exit failure if it refuses to use the provided
> > GUID.
>
> Ugh, you're right!  Silent disobedience is pernicious.

My hack / "will this work" to fdisk_label_parse_parttype seemed to get a
functional fdisk_new_unknown_parttype that would be used.

diff --git a/libfdisk/src/parttype.c b/libfdisk/src/parttype.c
index aedf4e8..bda850a 100644
--- a/libfdisk/src/parttype.c
+++ b/libfdisk/src/parttype.c
@@ -335,6 +335,7 @@ struct fdisk_parttype *fdisk_label_parse_parttype(
 		if (ret)
 			goto done;

+		typestr = str;
 		/* maybe specified by order number */
 		errno = 0;
 		i = strtol(str, &end, 0);
@@ -347,7 +348,7 @@ struct fdisk_parttype *fdisk_label_parse_parttype(

 	ret = fdisk_new_unknown_parttype(code, typestr);
 done:
-	DBG(PARTTYPE, ul_debugobj(ret, "returns parsed '%s' partition type", ret->name));
+	DBG(PARTTYPE, ul_debugobj(ret, "returns parsed '%s' partition type (%s)", ret->name, ret->typestr));
 	return ret;
 }


  reply	other threads:[~2015-07-15 13:28 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-14 20:16 GPT writing of unknown partition uuids Scott Moser
2015-07-15  0:37 ` Dale R. Worley
2015-07-15 13:28   ` Scott Moser [this message]
2015-07-15 13:42 ` Karel Zak
2015-07-15 14:56   ` Scott Moser
2015-07-15 15:02     ` Karel Zak
2015-07-15 15:09     ` Vadim Kochan
2015-07-15 15:12       ` Vadim Kochan

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