Re: [PATCH 3/4] drm/rockchip: add missing of_node_put

[Daniel Vetter]

On Sun, Jan 13, 2019 at 07:48:49PM +0100, Heiko Stuebner wrote:
> Am Sonntag, 13. Januar 2019, 09:47:43 CET schrieb Julia Lawall:
> > The device node iterators perform an of_node_get on each iteration, so a
> > jump out of the loop requires an of_node_put.
> > 
> > The semantic patch that fixes this problem is as follows
> > (http://coccinelle.lip6.fr):
> > 
> > // <smpl>
> > @@
> > expression root,e;
> > local idexpression child;
> > iterator name for_each_child_of_node;
> > @@
> > 
> >  for_each_child_of_node(root, child) {
> >    ... when != of_node_put(child)
> >        when != e = child
> > +  of_node_put(child);
> > ?  break;
> >    ...
> > }
> > ... when != child
> > // </smpl>
> > 
> > Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>
> 
> I've added a fixes+stable tag and applied it to drm-misc-fixes

All of them or just this one here? These cleanup patches have a high
chance of falling through cracks, so taking them all usually works out
better ...
-Daniel

> 
> Thanks for catching that
> Heiko
> 
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch