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Re: [Qemu-devel] [PATCH] qemu-img: Make resize error message more genera
From: |
Max Reitz |
Subject: |
Re: [Qemu-devel] [PATCH] qemu-img: Make resize error message more general |
Date: |
Fri, 23 Feb 2018 14:50:53 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 |
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 <address@hidden>
> ---
> qemu-img.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Applied to my block branch.
Max
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