On Mon, 2010-07-05 at 08:41 +0200, Takashi Iwai wrote:
quoted text
> sorry for the late reply, as I've been on vacation in the last week
> (and shut off mails intentionally :)

Envy forbids me from saying that's OK.

quoted text
> At Mon, 28 Jun 2010 12:44:48 -0500,
> James Bottomley wrote:
> > 
> > Since every caller has to squirrel away the returned pointer anyway,
> > they might as well supply the memory area.  This fixes a bug in a few of
> > the call sites where the returned pointer was dereferenced without
> > checking it for NULL (which gets returned if the kzalloc failed).
> > 
> > I'd like to hear how sound and netdev feels about this: it will add
> > about two more pointers worth of data to struct netdev and struct
> > snd_pcm_substream .. but I think it's worth it.  If you're OK, I'll add
> > your acks and send through the pm tree.
> > 
> > This also looks to me like an android independent clean up (even though
> > it renders the request_add atomically callable).  I also added include
> > guards to include/linux/pm_qos_params.h
> 
> I like the patch very well, too.
> But, just wondering...
> 
> > @@ -262,6 +260,11 @@ void pm_qos_update_request(struct pm_qos_request_list *pm_qos_req,
> >  	if (!pm_qos_req) /*guard against callers passing in null */
> >  		return;
> >  
> > +	if (pm_qos_request_active(pm_qos_req)) {
> > +		WARN(1, KERN_ERR "pm_qos_update_request() called for unknown object\n");
> > +		return;
> > +	}
> > +
> 
> Is this correct...?  Shouldn't it be a negative check?

Yes, it should be a negative check ... I'll update the patch.  I guess
this still means that no-one has managed to test it on a functional
system ...

James


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