[libvirt] [PATCH] build: silence false positive clang report

[Eric Blake]

On 02/14/2011 02:57 PM, Laine Stump wrote:
> On 02/14/2011 04:37 PM, Eric Blake wrote:
>> clang complained that STREQ(group->controllers[i].mountPoint,...)  was
>> a NULL dereference when i==VIR_CGROUP_CONTROLLER_CPUSET, because it
>> assumes the worst about virCgroupPathOfController.  Marking the
>> argument const doesn't yet have an effect, per this clang bug:
>> http://llvm.org/bugs/show_bug.cgi?id=7758
>>
>> So, we use sa_assert, which was designed to shut up false positives
>> from tools like clang.
>>
>> * src/util/cgroup.c (virCgroupMakeGroup): Teach clang that there
>> is no NULL dereference.

>> +        /* As of Feb 2011, clang can't see that the above function
>> +         * call did not modify group. */
>> +        sa_assert(group->controllers[i].mountPoint);
>>
> 
> ACK.

Thanks; pushed.

-- 
Eric Blake   eblake at redhat.com    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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