Quoting Dan Carpenter (2021-08-30 04:59:31)
> On Sat, Aug 28, 2021 at 10:27:17PM -0700, Stephen Boyd wrote:
> > Quoting Christophe JAILLET (2021-04-23 00:02:26)
> > > If we exit the for_each_of_cpu_node loop early, the reference on the
> > > current node must be decremented, otherwise there is a leak.
> > >
> > > Fixes: f756e362d938 ("clk: mvebu: add CPU clock driver for Armada 7K/8K")
> > > Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
> > > ---
> > > Also, I wonder if the drivers in drivers/clk/mvebu are used by anyone.
> > > In order to compile-test the changes, I also had to change the 'bool' in Kconfig
> > > by 'bool "blah"'. Without this change, it was not possible to set
> > > CONFIG_ARMADA_AP_CPU_CLK required by Makefile.
> > >
> > > I don't know if I did something wrong, if it is an issue only on my environment
> > > or if something got broken at some time in the build chain but it looks
> > > spurious.
> > >
> > > If I'm right and that these drivers never compile and no-one noticed it,
> > > maybe removing them is better than fixing some unlikely issues and style.
> > > If these drivers should stay, Kconfig may need some love from someone.
> >
> > Nobody has said anything on this patch. So I'm not really sure what's
> > going on. Probably we never take the error path, or the whole system
> > fails to boot?
>
> You probably take this one.
>
> 106 /* If cpu2 or cpu3 is enabled */
> 107 if (cpu & APN806_CLUSTER_NUM_MASK) {
> 108 nclusters = 2;
> 109 + of_node_put(dn);
> 110 break;
> 111 }
>
> But, yeah, probably on one carse of "dn" can't be freed in real life.
>
> Still probably worth fixing though just for correctness. Otherwise it
> makes static analysis less effective if people deliberately leave bugs
> in the code.
Thanks. Can we turn that into a Reviewed-by?
