[libvirt] [PATCH v3 08/12] nodedev: Dereference the obj/def in virNodeDeviceObjListFind* APIs
John Ferlan
jferlan at redhat.com
Fri Jun 30 17:08:22 UTC 2017
On 06/30/2017 08:06 AM, Erik Skultety wrote:
> On Sat, Jun 03, 2017 at 09:11:58AM -0400, John Ferlan wrote:
>> Create local @obj and @def for the API's rather than referencing the
>> devs->objs[i][->def->]. It'll make future patches easier to read.
^^^^^^^^^ [1]
>>
>> Signed-off-by: John Ferlan <jferlan at redhat.com>
>> ---
>> src/conf/virnodedeviceobj.c | 60 ++++++++++++++++++++++++++++-----------------
>> 1 file changed, 37 insertions(+), 23 deletions(-)
>>
>> diff --git a/src/conf/virnodedeviceobj.c b/src/conf/virnodedeviceobj.c
>> index fab1cfd..a9187be 100644
>> --- a/src/conf/virnodedeviceobj.c
>> +++ b/src/conf/virnodedeviceobj.c
>> @@ -172,12 +172,16 @@ virNodeDeviceObjListFindBySysfsPath(virNodeDeviceObjListPtr devs,
>> size_t i;
>>
>> for (i = 0; i < devs->count; i++) {
>> - virNodeDeviceObjLock(devs->objs[i]);
>> - if ((devs->objs[i]->def->sysfs_path != NULL) &&
>> - (STREQ(devs->objs[i]->def->sysfs_path, sysfs_path))) {
>> - return devs->objs[i];
>> + virNodeDeviceObjPtr obj = devs->objs[i];
>> + virNodeDeviceDefPtr def;
>
> Although with good intension, I think having virNodeDeviceObjPtr obj = foo only
> will make all the difference, thus dereferencing @def is IMHO not that much
> more beneficial.
[1] I'm trying to avoid syntax such as:
devs->objs[i]->def->sysfs_path
or
objs->def->sysfs_path
If some day ->def is "owned-by" some vir*Object, then -> def would need
to be fetched, e.g. def = virObject*GetDef(obj), so this just makes that
future easier.
John
>
> ACK with that.
>
> Erik
>
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