On Mon, Oct 17, 2011 at 6:17 PM, Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote:
> On 10/17/2011 12:17 PM, Kevin Wolf wrote:
>>
>> > > > +
>> > > > +static int qemu_block_queue_handler(BlockQueueAIOCB *request)
>> > > > +{
>> > > > + int ret;
>> > > > + BlockDriverAIOCB *res;
>> > > > +
>> > > > + res = request->handler(request->common.bs,
>> > > > request->sector_num,
>> > > > + request->qiov, request->nb_sectors,
>> > > > + qemu_block_queue_callback, request);
>> > > > + if (res) {
>> > > > + request->real_acb = res;
>> > > > + }
>> > > > +
>> > > > + ret = (res == NULL) ? 0 : 1;
>> > > > +
>> > > > + return ret;
>> > >
>> > > You mean return (res != NULL); and want to have bool as the return
>> > > value
>> > > of this function.
>> >
>> > Yeah, thanks. i will modify as below:
>> > ret = (res == NULL) ? false : true;
>>
>> ret = (res != NULL) is really more readable.
>
> "return (res != NULL);" is even nicer! :)
Great, thanks
>
> Paolo
>
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--
Regards,
Zhi Yong Wu
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