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From: Thierry Reding <thierry.reding@gmail.com>
To: Julia Lawall <Julia.Lawall-L2FTfq7BK8M@public.gmane.org>
Cc: kernel-janitors-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	"Terje Bergström"
	<tbergstrom-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
	"David Airlie" <airlied-cv59FeDIM0c@public.gmane.org>,
	"Stephen Warren"
	<swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>,
	"Alexandre Courbot"
	<gnurou-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@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 5/9] drm/tegra: dc: add missing of_node_put
Date: Mon, 14 Dec 2015 13:35:39 +0000	[thread overview]
Message-ID: <20151214133539.GA986@ulmo.nvidia.com> (raw)
In-Reply-To: <1445697755-26341-6-git-send-email-Julia.Lawall-L2FTfq7BK8M@public.gmane.org>

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On Sat, Oct 24, 2015 at 04:42:31PM +0200, Julia Lawall wrote:
> for_each_matching_node performs an of_node_get on each iteration, so
> a break out of the loop requires an of_node_put.
> 
> A simplified version of the semantic patch that fixes this problem is as
> follows (http://coccinelle.lip6.fr):
> 
> // <smpl>
> @@
> local idexpression n;
> expression e;
> @@
> 
>  for_each_matching_node(n,...) {
>    ...
> (
>    of_node_put(n);
> |
>    e = n
> |
> +  of_node_put(n);
> ?  break;
> )
>    ...
>  }
> ... when != n
> // </smpl>
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
> 
> ---
>  drivers/gpu/drm/tegra/dc.c |    4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

Applied, thanks.

Thierry

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WARNING: multiple messages have this Message-ID (diff)
From: Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Julia Lawall <Julia.Lawall-L2FTfq7BK8M@public.gmane.org>
Cc: kernel-janitors-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	"Terje Bergström"
	<tbergstrom-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
	"David Airlie" <airlied-cv59FeDIM0c@public.gmane.org>,
	"Stephen Warren"
	<swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>,
	"Alexandre Courbot"
	<gnurou-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@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 5/9] drm/tegra: dc: add missing of_node_put
Date: Mon, 14 Dec 2015 14:35:39 +0100	[thread overview]
Message-ID: <20151214133539.GA986@ulmo.nvidia.com> (raw)
In-Reply-To: <1445697755-26341-6-git-send-email-Julia.Lawall-L2FTfq7BK8M@public.gmane.org>

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On Sat, Oct 24, 2015 at 04:42:31PM +0200, Julia Lawall wrote:
> for_each_matching_node performs an of_node_get on each iteration, so
> a break out of the loop requires an of_node_put.
> 
> A simplified version of the semantic patch that fixes this problem is as
> follows (http://coccinelle.lip6.fr):
> 
> // <smpl>
> @@
> local idexpression n;
> expression e;
> @@
> 
>  for_each_matching_node(n,...) {
>    ...
> (
>    of_node_put(n);
> |
>    e = n
> |
> +  of_node_put(n);
> ?  break;
> )
>    ...
>  }
> ... when != n
> // </smpl>
> 
> Signed-off-by: Julia Lawall <Julia.Lawall-L2FTfq7BK8M@public.gmane.org>
> 
> ---
>  drivers/gpu/drm/tegra/dc.c |    4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

Applied, thanks.

Thierry

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WARNING: multiple messages have this Message-ID (diff)
From: Thierry Reding <thierry.reding@gmail.com>
To: Julia Lawall <Julia.Lawall@lip6.fr>
Cc: kernel-janitors@vger.kernel.org,
	"Terje Bergström" <tbergstrom@nvidia.com>,
	"David Airlie" <airlied@linux.ie>,
	"Stephen Warren" <swarren@wwwdotorg.org>,
	"Alexandre Courbot" <gnurou@gmail.com>,
	dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	"Russell King - ARM Linux" <linux@arm.linux.org.uk>,
	"Thomas Petazzoni" <thomas.petazzoni@free-electrons.com>,
	"Andrew Lunn" <andrew@lunn.ch>,
	"Bjorn Helgaas" <bhelgaas@google.com>,
	"Jason Cooper" <jason@lakedaemon.net>
Subject: Re: [PATCH 5/9] drm/tegra: dc: add missing of_node_put
Date: Mon, 14 Dec 2015 14:35:39 +0100	[thread overview]
Message-ID: <20151214133539.GA986@ulmo.nvidia.com> (raw)
In-Reply-To: <1445697755-26341-6-git-send-email-Julia.Lawall@lip6.fr>

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On Sat, Oct 24, 2015 at 04:42:31PM +0200, Julia Lawall wrote:
> for_each_matching_node performs an of_node_get on each iteration, so
> a break out of the loop requires an of_node_put.
> 
> A simplified version of the semantic patch that fixes this problem is as
> follows (http://coccinelle.lip6.fr):
> 
> // <smpl>
> @@
> local idexpression n;
> expression e;
> @@
> 
>  for_each_matching_node(n,...) {
>    ...
> (
>    of_node_put(n);
> |
>    e = n
> |
> +  of_node_put(n);
> ?  break;
> )
>    ...
>  }
> ... when != n
> // </smpl>
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
> 
> ---
>  drivers/gpu/drm/tegra/dc.c |    4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

Applied, thanks.

Thierry

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  parent reply	other threads:[~2015-12-14 13:35 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-24 14:42 [PATCH 0/9] add missing of_node_put Julia Lawall
2015-10-24 14:42 ` Julia Lawall
2015-10-24 14:42 ` Julia Lawall
2015-10-24 14:42 ` Julia Lawall
2015-10-24 14:42 ` [PATCH 1/9] powerpc/powernv: " Julia Lawall
2015-10-24 14:42   ` Julia Lawall
2015-10-24 14:42 ` [PATCH 2/9] leds: bcm6358: " Julia Lawall
2015-10-24 14:42   ` Julia Lawall
2015-10-24 14:42 ` [PATCH 3/9] leds: bcm6328: " Julia Lawall
2015-10-24 14:42   ` Julia Lawall
2015-10-24 14:42 ` [PATCH 4/9] leds: 88pm860x: " Julia Lawall
2015-10-24 14:42   ` Julia Lawall
2015-10-24 14:42 ` [PATCH 5/9] drm/tegra: dc: " Julia Lawall
2015-10-24 14:42   ` Julia Lawall
2015-10-24 14:42   ` Julia Lawall
     [not found]   ` <1445697755-26341-6-git-send-email-Julia.Lawall-L2FTfq7BK8M@public.gmane.org>
2015-12-14 13:35     ` Thierry Reding [this message]
2015-12-14 13:35       ` Thierry Reding
2015-12-14 13:35       ` Thierry Reding
2015-10-24 14:42 ` [PATCH 6/9] Bluetooth: btmrvl: " Julia Lawall
2015-10-24 14:42   ` Julia Lawall
2015-10-25 19:54   ` Marcel Holtmann
2015-10-25 19:54     ` Marcel Holtmann
2015-10-24 14:42 ` [PATCH 7/9] gpu: host1x: " Julia Lawall
2015-10-24 14:42   ` Julia Lawall
2015-10-24 14:42   ` Julia Lawall
2015-10-24 14:42 ` [PATCH 8/9] soc: ti: knav_qmss_queue: " Julia Lawall
2015-10-24 14:42   ` Julia Lawall
2015-10-24 14:42   ` Julia Lawall
2015-10-24 14:42 ` [PATCH 9/9] pinctrl: at91: " Julia Lawall
2015-10-24 14:42   ` Julia Lawall
2015-10-24 14:42   ` Julia Lawall
2015-10-26  9:52   ` Ludovic Desroches
2015-10-26  9:52     ` Ludovic Desroches
2015-10-26  9:52     ` Ludovic Desroches
2015-10-26  9:52     ` Ludovic Desroches
2015-10-27 16:18   ` Linus Walleij
2015-10-27 16:18     ` Linus Walleij
2015-10-27 16:18     ` Linus Walleij
2015-10-26  8:48 ` [PATCH 0/9] " Jacek Anaszewski
2015-10-26  8:48   ` Jacek Anaszewski
2015-10-26  8:48   ` Jacek Anaszewski

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