From: Eric Sandeen <sandeen@sandeen.net>
To: xfs@oss.sgi.com
Subject: Re: [PATCH 15/19] mkfs: don't treat files as though they are block devices
Date: Fri, 8 Apr 2016 23:12:12 -0500 [thread overview]
Message-ID: <5708811C.5090909@sandeen.net> (raw)
In-Reply-To: <CACj3i73JEzCj-4kp3=H9mjXCKYgcOUYCOyq-aZSWZFXUih+0MA@mail.gmail.com>
On 4/8/16 9:58 AM, Jan Tulak wrote:
> This one causes at least one interesting issue:
>
> #mkfs/mkfs.xfs
> Error accessing specified device (null): Bad address
> Usage: mkfs.xfs
> ...
>
> because:
>
> check_device_type(dfile, &xi.disfile, !dsize, !dfile,
> Nflag ? NULL : &xi.dcreat, force_overwrite, "d");
>
> so "dfile" can be NULL, but that function immediately tries to stat it.
>
>
> A simple if NULL, then usage() should take care of this...
Well, think hard about that. If dfile == NULL and bails with usage(), then
what is the point of having !dfile as a function argument?
Validation of having a target specified as either -dfile= or as the last argument
should probably happen before the call to check_device_type.
-Eric
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next prev parent reply other threads:[~2016-04-09 4:12 UTC|newest]
Thread overview: 88+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-24 11:15 [PATCH 00/19] mkfs cleaning jtulak
2016-03-24 11:15 ` [PATCH 01/19] xfsprogs: use common code for multi-disk detection jtulak
2016-03-31 20:25 ` Eric Sandeen
2016-04-06 9:05 ` Jan Tulak
2016-03-24 11:15 ` [PATCH 02/19] mkfs: sanitise ftype parameter values jtulak
2016-03-24 16:33 ` Eric Sandeen
2016-03-29 16:11 ` Jan Tulak
2016-03-29 16:17 ` Eric Sandeen
2016-03-29 16:20 ` Jan Tulak
2016-03-29 17:14 ` Jan Tulak
2016-03-24 11:15 ` [PATCH 03/19] mkfs: Sanitise the superblock feature macros jtulak
2016-04-01 2:05 ` Eric Sandeen
2016-04-06 9:12 ` Jan Tulak
2016-04-06 21:01 ` Dave Chinner
2016-04-07 11:53 ` Jan Tulak
2016-04-07 0:12 ` Eric Sandeen
2016-04-07 1:43 ` Eric Sandeen
2016-04-07 13:09 ` Jan Tulak
2016-04-07 13:18 ` Eric Sandeen
2016-04-07 13:27 ` Jan Tulak
2016-03-24 11:15 ` [PATCH 04/19] mkfs: validate all input values jtulak
2016-04-06 23:02 ` Eric Sandeen
2016-04-07 11:15 ` Jan Tulak
2016-03-24 11:15 ` [PATCH 05/19] mkfs: factor boolean option parsing jtulak
2016-04-07 2:48 ` Eric Sandeen
2016-03-24 11:15 ` [PATCH 06/19] mkfs: validate logarithmic parameters sanely jtulak
2016-04-07 2:52 ` Eric Sandeen
2016-03-24 11:15 ` [PATCH 07/19] mkfs: structify input parameter passing jtulak
2016-04-07 3:14 ` Eric Sandeen
2016-04-07 11:43 ` Jan Tulak
2016-03-24 11:15 ` [PATCH 08/19] mkfs: getbool is redundant jtulak
2016-04-07 17:25 ` Eric Sandeen
2016-04-08 10:30 ` Jan Tulak
2016-04-08 17:41 ` Eric Sandeen
2016-03-24 11:15 ` [PATCH 09/19] mkfs: use getnum_checked for all ranged parameters jtulak
2016-04-07 19:02 ` Eric Sandeen
2016-04-08 10:47 ` Jan Tulak
2016-04-08 15:52 ` Eric Sandeen
2016-03-24 11:15 ` [PATCH 10/19] mkfs: add respecification detection to generic parsing jtulak
2016-04-07 19:06 ` Eric Sandeen
2016-03-24 11:15 ` [PATCH 11/19] mkfs: table based parsing for converted parameters jtulak
2016-04-07 19:08 ` Eric Sandeen
2016-03-24 11:15 ` [PATCH 12/19] mkfs: merge getnum jtulak
2016-04-07 19:14 ` Eric Sandeen
2016-03-24 11:15 ` [PATCH 13/19] mkfs: encode conflicts into parsing table jtulak
2016-04-07 22:40 ` Eric Sandeen
2016-03-24 11:15 ` [PATCH 14/19] mkfs: add string options to generic parsing jtulak
2016-04-07 22:49 ` Eric Sandeen
2016-03-24 11:15 ` [PATCH 15/19] mkfs: don't treat files as though they are block devices jtulak
2016-04-08 0:25 ` Eric Sandeen
2016-04-08 0:32 ` Eric Sandeen
2016-04-08 14:58 ` Jan Tulak
2016-04-08 15:50 ` Eric Sandeen
2016-04-08 15:56 ` Jan Tulak
2016-04-09 4:12 ` Eric Sandeen [this message]
2016-04-13 15:43 ` Jan Tulak
2016-04-14 9:49 ` Jan Tulak
2016-04-20 9:51 ` Jan Tulak
2016-04-20 13:17 ` Jan Tulak
2016-04-20 16:53 ` Eric Sandeen
2016-04-21 9:22 ` Jan Tulak
2016-03-24 11:15 ` [PATCH 16/19] mkfs: move spinodes crc check jtulak
2016-03-24 11:15 ` [PATCH 17/19] xfsprogs: disable truncating of files jtulak
2016-04-06 21:42 ` Eric Sandeen
2016-04-07 9:41 ` Jan Tulak
2016-04-08 0:09 ` Dave Chinner
2016-04-08 10:06 ` Jan Tulak
2016-04-08 23:08 ` Dave Chinner
2016-04-13 15:08 ` Jan Tulak
2016-04-13 16:17 ` Eric Sandeen
2016-04-13 16:23 ` Jan Tulak
2016-04-13 16:25 ` Eric Sandeen
2016-04-13 21:37 ` Dave Chinner
2016-04-14 12:31 ` Jan Tulak
2016-03-24 11:15 ` [PATCH 18/19] mkfs: unit conversions are case insensitive jtulak
2016-04-06 21:10 ` Eric Sandeen
2016-04-07 10:50 ` Jan Tulak
2016-04-08 0:41 ` Eric Sandeen
2016-04-08 1:03 ` Dave Chinner
2016-04-08 9:08 ` Jan Tulak
2016-04-08 15:51 ` Eric Sandeen
2016-03-24 11:15 ` [PATCH 19/19] mkfs: add optional 'reason' for illegal_option jtulak
2016-04-06 22:23 ` Eric Sandeen
-- strict thread matches above, loose matches on Subject: below --
2016-04-21 9:39 [PATCH 00/19 v2] mkfs cleaning Jan Tulak
2016-04-21 9:39 ` [PATCH 15/19] mkfs: don't treat files as though they are block devices Jan Tulak
2016-04-21 12:43 ` Jan Tulak
2016-04-21 20:13 ` Eric Sandeen
2016-04-22 7:46 ` Jan Tulak
2016-05-02 23:13 ` Eric Sandeen
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