Re: list corruption on removal of snd_seq_dummy

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At Tue, 27 Jun 2006 12:58:19 -0400,
Dave Jones wrote:
> 
> On Tue, Jun 27, 2006 at 02:38:39PM +0200, Takashi Iwai wrote:
>  > > > No, list_move() can't move the whole elements without loop.
>  > > > 
>  > > > A solution is
>  > > > 
>  > > >       list_add(B, A);
>  > > >       list_del_init(A);
>  > > > 
>  > > > (although this introduces a bit more code :)
>  > > 
>  > > Shouldn't it be like this?
>  > > 
>  > >         ports_list_first = client->ports_list_head.next;
>  > >         list_del_init(client->ports_list_head);
>  > >         list_splice(ports_list_first, &deleted_list);
>  > 
>  > This requires INIT_LIST_HEAD(&deleted_list) first, so obviously
>  > a longer code :)
> 
> This is hardly a speed/size critical function. I'd go for readability
> over cute hacks any day.

Yeah, of course.
The code was already fixed on ALSA tree to use standard macros.


Takashi
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