[libvirt] [PATCH] Set bitmap size when allocating a bitmap
Jim Fehlig
jfehlig at novell.com
Wed Dec 22 20:54:12 UTC 2010
Eric Blake wrote:
> On 12/22/2010 01:02 PM, Jim Fehlig wrote:
>
>> I began noticing a race when reserving VNC ports as described here
>>
>> https://www.redhat.com/archives/libvir-list/2010-November/msg00379.html
>>
>> Turns out that we were not initializing the size field of bitmap
>> struct when allocating the bitmap. This subsequently caused
>> virBitmapSetBit() to fail since bitmap->size is 0, hence we never
>> actually reserved the port.
>> ---
>> src/util/bitmap.c | 1 +
>> 1 files changed, 1 insertions(+), 0 deletions(-)
>>
>> diff --git a/src/util/bitmap.c b/src/util/bitmap.c
>> index 1b0c9da..9741668 100644
>> --- a/src/util/bitmap.c
>> +++ b/src/util/bitmap.c
>> @@ -73,6 +73,7 @@ virBitmapPtr virBitmapAlloc(size_t size)
>> return NULL;
>> }
>>
>> + bitmap->size = size;
>> return bitmap;
>>
>
> Oh dear; sorry for overlooking that when I reviewed your series in May.
>
Yeah, that's a rather embarrassing oversight on my part.
> ACK.
>
Thanks. Pushed.
Regards,
Jim
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