Re: [PATCH 01/15] ARM: actions: fix a leaked reference by addingmissing of_node_put

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On Fri, Mar 1, 2019 at 4:55 PM Manivannan Sadhasivam
<manivannan.sadhasivam@xxxxxxxxxx> wrote:
> Hi Wen,
>
> On Fri, Mar 01, 2019 at 04:56:42PM +0800, Wen Yang wrote:
> > The call to of_get_next_child returns a node pointer with refcount
> > incremented thus it must be explicitly decremented after the last
> > usage.
> >
> > Detected by coccinelle with the following warnings:
> > ./arch/arm/mach-actions/platsmp.c:112:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 103, but without a corresponding object release within this function.
> > ./arch/arm/mach-actions/platsmp.c:124:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 115, but without a corresponding object release within this function.
> > ./arch/arm/mach-actions/platsmp.c:137:3-9: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 128, but without a corresponding object release within this function.
> >
>
> We have a floating patch for this:
> https://www.spinics.net/lists/arm-kernel/msg694544.html
>
> Andreas: Can you please take a second look at the patchset submitted by Linus
> Walleij and Russel for simplifying the Actions startup code?

Andreas wrote a version of simplifying secondary startup in the
same spirit as Russell's patches, and it's merged and all
is fine I think.

If this patch applied on top of the current upstream code I'd say
just forget about my patch and merge Wen's patch instead.

Yours,
Linus Walleij

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