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Re: [libvirt] [PATCH]: Fix Qemu CD-ROM with no source



On Tue, Jul 29, 2008 at 12:07:37PM +0200, Chris Lalancette wrote:
> The new generic domain re-factor introduced a small regression into the drive
> handling code.  In particular, if you had a section of XML like:
> 
>     <disk type='file' device='cdrom'>
>       <target dev='hdc' bus='ide'/>
>       <readonly/>
>     </disk>
> 
> This used to work with older libvirt, but now fails.  This is because we are
> actually passing the literal string (null) to the qemu command-line, which qemu
> barfs on.  This patch fixes it up by making it blank, which allows qemu to
> continue on it's merry way.
> 
> Signed-off-by: Chris Lalancette <clalance redhat com>

ACK, looks fine. The other branch for QEMU without -drive, will simply
omit the '-cdrom' arg, which is correct behaviour because QEMU adds an
implicit CDROM device in that case.


Daniel
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