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From: Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Julia Lawall <Julia.Lawall-L2FTfq7BK8M@public.gmane.org>
Cc: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>,
	kernel-janitors-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Alexandre Courbot
	<gnurou-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Russell King - ARM Linux
	<linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>,
	Thomas Petazzoni
	<thomas.petazzoni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
	Andrew Lunn <andrew-g2DYL2Zd6BY@public.gmane.org>,
	Bjorn Helgaas <bhelgaas-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
	Jason Cooper <jason-NLaQJdtUoK4Be96aLqz0jA@public.gmane.org>
Subject: Re: [PATCH 1/2] memory: tegra: delete unneeded of_node_put
Date: Tue, 14 Jun 2016 11:38:38 +0200	[thread overview]
Message-ID: <20160614093838.GC22567@ulmo.ba.sec> (raw)
In-Reply-To: <1444412861-2580-2-git-send-email-Julia.Lawall-L2FTfq7BK8M@public.gmane.org>

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On Fri, Oct 09, 2015 at 07:47:40PM +0200, Julia Lawall wrote:
> for_each_child_of_node performs an of_node_put on each iteration, so
> putting an of_node_put before a continue results in a double put.
> 
> The semantic match that finds 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_get(child)
> *  of_node_put(child);
>    ...
> *  continue;
> }
> // </smpl>
> 
> Signed-off-by: Julia Lawall <Julia.Lawall-L2FTfq7BK8M@public.gmane.org>
> 
> ---
>  drivers/memory/tegra/mc.c           |    4 +---
>  drivers/memory/tegra/tegra124-emc.c |    4 +---
>  2 files changed, 2 insertions(+), 6 deletions(-)

Applied, thanks.

Thierry

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  parent reply	other threads:[~2016-06-14  9:38 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-09 17:47 [PATCH 0/2] delete unneeded of_node_put Julia Lawall
2015-10-09 17:47 ` [PATCH 1/2] memory: tegra: " Julia Lawall
     [not found]   ` <1444412861-2580-2-git-send-email-Julia.Lawall-L2FTfq7BK8M@public.gmane.org>
2016-06-14  9:38     ` Thierry Reding [this message]
2015-10-09 17:47 ` [PATCH 2/2] clk: " Julia Lawall
2015-10-12 18:52   ` Stephen Boyd

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