[libvirt] [PATCH] qemu: Don't allocate zero bytes
Matthias Bolte
matthias.bolte at googlemail.com
Wed Jan 20 21:48:14 UTC 2010
2010/1/20 Daniel Veillard <veillard at redhat.com>:
> On Wed, Jan 20, 2010 at 02:45:19AM +0100, Matthias Bolte wrote:
>> ---
>> src/qemu/qemu_conf.c | 2 +-
>> 1 files changed, 1 insertions(+), 1 deletions(-)
>>
>> diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
>> index 38eb3fd..92a9348 100644
>> --- a/src/qemu/qemu_conf.c
>> +++ b/src/qemu/qemu_conf.c
>> @@ -836,7 +836,7 @@ qemudCapsInitGuest(virCapsPtr caps,
>> return -1;
>> }
>>
>> - if (VIR_ALLOC_N(machines, nmachines) < 0) {
>> + if (VIR_ALLOC_N(machines, 1) < 0) {
>> virReportOOMError(NULL);
>> VIR_FREE(machine->name);
>> VIR_FREE(machine);
>
> Hum, it's more serious than that apparently since we're doing
> machines[0] = machine;
> nmachines = 1;
> just after the allocation.
>
> Seems to me that moving the
> nmachines = 1;
> is a bit easier to understand and more natural, but ACK either way
>
> Daniel
>
You're right moving nmachines = 1 before the allocation is better.
I'll change the patch to do that and push it.
Matthias
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