[libvirt] [PATCH] conf: reject controllers with duplicate indexes
Ján Tomko
jtomko at redhat.com
Thu Apr 25 16:02:24 UTC 2013
On 04/25/2013 04:36 PM, Eric Blake wrote:
> On 04/25/2013 05:41 AM, Ján Tomko wrote:
>> Reject multiple controllers with the same index,
>> except for USB controllers.
>> Multi-function USB controllers can have the same index.
>> ---
>
> Compared to the earlier version you posted as patch 6/5 on the pci
> patches, you changed to a stack allocation of the bitmaps.
>
>> src/conf/domain_conf.c | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++
>> 1 file changed, 59 insertions(+)
>>
>
>> +virDomainDefRejectDuplicateControllers(virDomainDefPtr def)
>> +{
>> + int max_idx[VIR_DOMAIN_CONTROLLER_TYPE_LAST];
>> + virBitmapPtr bitmaps[VIR_DOMAIN_CONTROLLER_TYPE_LAST] = { NULL };
>> + virDomainControllerDefPtr cont;
>> + size_t nbitmaps = 0;
>> + int ret = -1;
>> + bool b;
>> + int i;
>> +
>> + memset(max_idx, -1, sizeof(max_idx)/sizeof(max_idx[0]));
>
> That's too small. If VIR_DOMAIN_CONTROLLER_TYPE_LAST is 8, it only sets
> 2 entries and leaves the last 6 uninitialized. You want:
>
> memset(max_idx, -1, sizeof(max_idx));
>
> ACK with the fixed initialization.
>
Thanks, I've fixed it and pushed it.
Jan
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