From: Max Reitz <mreitz@redhat.com>
To: qemu-block@nongnu.org
Cc: qemu-devel@nongnu.org, Kevin Wolf <kwolf@redhat.com>
Subject: Re: [Qemu-devel] [PATCH] qemu-img: Make resize error message more general
Date: Fri, 23 Feb 2018 14:50:53 +0100 [thread overview]
Message-ID: <3ed4d8fa-8461-084a-acff-30dc631911a9@redhat.com> (raw)
In-Reply-To: <20180205162745.23650-1-mreitz@redhat.com>
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On 2018-02-05 17:27, Max Reitz wrote:
> The issue:
>
> $ qemu-img resize -f qcow2 foo.qcow2
> qemu-img: Expecting one image file name
> Try 'qemu-img --help' for more information
>
> So we gave an image file name, but we omitted the length. qemu-img
> thinks the last argument is always the size and removes it immediately
> from argv (by decrementing argc), and tries to verify that it is a valid
> size only at a later point.
>
> So we do not actually know whether that last argument we called "size"
> is indeed a size or whether the user instead forgot to specify that size
> but did give a file name.
>
> Therefore, the error message should be more general.
>
> Bug: https://bugzilla.redhat.com/show_bug.cgi?id=1523458
> Signed-off-by: Max Reitz <mreitz@redhat.com>
> ---
> qemu-img.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Applied to my block branch.
Max
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prev parent reply other threads:[~2018-02-23 13:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-05 16:27 [Qemu-devel] [PATCH] qemu-img: Make resize error message more general Max Reitz
2018-02-05 18:55 ` [Qemu-devel] [Qemu-block] " John Snow
2018-02-05 19:24 ` [Qemu-devel] " Eric Blake
2018-02-23 13:50 ` Max Reitz [this message]
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