[libvirt] [PATCHv2] Ignore bridge template names with multiple printf conversions
John Ferlan
jferlan at redhat.com
Wed May 13 15:10:00 UTC 2015
On 05/13/2015 10:58 AM, Eric Blake wrote:
> On 05/13/2015 04:55 AM, Ján Tomko wrote:
>>>> Okay, I see your counterargument. Still, strstr() is pretty expensive
>>>> compared to just:
>>>>
>>>> if (def->bridge &&
>>>> (p = strchr(def->bridge, '%')) == strrchr(def->bridge, '%') &&
>>>> p[1] == 'd')
>>>>
>>>
>>> Coverity complains :
>>>
>>> Event returned_null: "strchr" returns null (checked 273 out of 288 times).
>>
>> strchr does not return NULL here because networkFindUnusedBridgeName is
>> only called if either def->bridge is NULL or def->bridge contains "%d".
>
> Adding "p &&" just before "p[1] == 'd'" should silence the false
> positive, right?
>
Yes. I'll send something in a bit - there's another two that are queued
up as well.
John
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