[libvirt] [PATCH] qemu: fix guestfwd chardev option back how it was

Martin Kletzander mkletzan at redhat.com
Thu Jun 26 14:55:46 UTC 2014


On Thu, Jun 26, 2014 at 04:48:23PM +0200, Ján Tomko wrote:
>On 06/26/2014 04:36 PM, Martin Kletzander wrote:
>> Since commit d86c876a66e320b55220d00113027c9ad6199cff we are using
>> guestfwd=tcp:IP:PORT,chardev=ID for guestfwd specification, however,
>> that has not changed in qemu, so guestfwd does not work since.
>>
>> Apart from that, guestfwd is not working with older qemu that doesn't
>> have QEMU_CAPS_DEVICE.
>>
>> Both regressions exist since late 2009 and nobody found that (until
>> now), so I'm only fixing the first one.
>>
>> Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1112066
>>
>> Signed-off-by: Martin Kletzander <mkletzan at redhat.com>
>> ---
>>  src/qemu/qemu_command.c                                   | 2 +-
>>  tests/qemuxml2argvdata/qemuxml2argv-channel-guestfwd.args | 2 +-
>>  2 files changed, 2 insertions(+), 2 deletions(-)
>
>ACK
>
>>
>> diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
>> index 93d303e..5074aa1 100644
>> --- a/src/qemu/qemu_command.c
>> +++ b/src/qemu/qemu_command.c
>> @@ -9186,7 +9186,7 @@ qemuBuildChannelChrDeviceStr(char **deviceStr,
>>          port = virSocketAddrGetPort(chr->target.addr);
>>
>>          if (virAsprintf(deviceStr,
>> -                        "user,guestfwd=tcp:%s:%i,chardev=char%s,id=user-%s",
>> +                        "user,guestfwd=tcp:%s:%i-chardev:char%s,id=user-%s",
>>                          addr, port, chr->info.alias, chr->info.alias) < 0) {
>>              virReportOOMError();
>
>The OOM error is redundant here and right above it in
>qemuBuildParallelChrDeviceStr.
>

And few other places all over the code as well.  Since this is
pre-existing and not related to this code I won't change it in this
patch, but cleanup for more of these would be nice.

'git grep virReportOOMError src/ tests/' reports 273 matching lines
and I'm _pretty_ certain we don't have that many allocation functions.

Thanks, pushed.

Martin
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