[libvirt] [PATCH 1/2] Fix error detection in device change

[Eric Blake]

On 08/30/2011 08:59 AM, Philipp Hahn wrote:
> According to qemu-kvm/qerror.c all messages start with a capital
> "Device ", but the current code only scans for the lower case "device ".
> This results in "virDomainUpdateDeviceFlags()" to not detect locked
> CD-ROMs and reporting success even in the case of a failure:
> 	# virsh qemu-monitor-command "$VM" change\ drive-ide0-0-0\ \"/var/lib/libvirt/images/ucs_2.4-0-sec4-20110714145916-dvd-amd64.iso\"
> 	Device 'drive-ide0-0-0' is locked
> 	# virsh update-device "$VM" /dev/stdin<<<"<disk type='file' device='cdrom'><driver name='qemu' type='raw'/><source file='/var/lib/libvirt/images/ucs_2.4-0-sec4-20110714145916-dvd-amd64.iso'/><target dev='hda' bus='ide'/><readonly/><alias name='ide0-0-0'/><address type='drive' controller='0' bus='0' unit='0'/></disk>"
> 	Device updated successfully
>
> Signed-off-by: Philipp Hahn<hahn at univention.de>
> ---
>   src/qemu/qemu_monitor_text.c |    2 +-
>   1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/src/qemu/qemu_monitor_text.c b/src/qemu/qemu_monitor_text.c
> index 52d924a..98d9169 100644
> --- a/src/qemu/qemu_monitor_text.c
> +++ b/src/qemu/qemu_monitor_text.c
> @@ -1064,7 +1064,7 @@ int qemuMonitorTextChangeMedia(qemuMonitorPtr mon,
>       /* If the command failed qemu prints:
>        * device not found, device is locked ...
>        * No message is printed on success it seems */
> -    if (strstr(reply, "device ")) {
> +    if (c_strcasestr(reply, "device ")) {

ACK and pushed.

-- 
Eric Blake   eblake at redhat.com    +1-801-349-2682
Libvirt virtualization library http://libvirt.org