Re: [PATCH] powerpc/pseries: Fix of_node_put() underflow during pseries remove

From: David Gibson
Date: Sun Jul 23 2017 - 21:00:31 EST


On Fri, Jul 21, 2017 at 04:51:39PM +0200, Laurent Vivier wrote:
> As for commit 68baf692c435 ("powerpc/pseries: Fix of_node_put()
> underflow during DLPAR remove"), the call to of_node_put()
> must be removed from pSeries_reconfig_remove_node().
>
> dlpar_detach_node() and pSeries_reconfig_remove_node() call
> of_detach_node(), and thus the node should not be released
> in this case too.
>
> Signed-off-by: Laurent Vivier <lvivier@xxxxxxxxxx>

Reviewed-by: David Gibson <david@xxxxxxxxxxxxxxxxxxxxx>

> ---
> arch/powerpc/platforms/pseries/reconfig.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c
> index e5bf1e8..011ef21 100644
> --- a/arch/powerpc/platforms/pseries/reconfig.c
> +++ b/arch/powerpc/platforms/pseries/reconfig.c
> @@ -82,7 +82,6 @@ static int pSeries_reconfig_remove_node(struct device_node *np)
>
> of_detach_node(np);
> of_node_put(parent);
> - of_node_put(np); /* Must decrement the refcount */
> return 0;
> }
>

--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
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