linux-kernel - Re: [PATCH] pinctrl: imx1-core: add missing of_node

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Message-ID: <CACRpkdaR1Xi9CU4OY6joCugsAeO5g-sVq1Z3PRBJR1VK_W+ayQ@mail.gmail.com>
Date:	Tue, 17 Nov 2015 15:02:20 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Vaishali Thakkar <vthakkar1994@...il.com>
Cc:	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] pinctrl: imx1-core: add missing of_node_put

On Sun, Nov 15, 2015 at 5:04 AM, Vaishali Thakkar
<vthakkar1994@...il.com> wrote:

> for_each_child_of_node performs an of_node_get on each iteration,
> so of_node_put is required on break out of the loop.
>
> This is done using Coccinelle. And semantic patch used for this is
> as follows:
>
> @@
> expression root,e;
> local idexpression child;
> @@
>
>  for_each_child_of_node(root, child) {
>    ... when != of_node_put(child)
>        when != e = child
> (
>    return child;
> |
> +  of_node_put(child);
> ?  return ...;
> )
>    ...
>  }
>
> Signed-off-by: Vaishali Thakkar <vthakkar1994@...il.com>

Patch applied for fixes, thanks!

Yours,
Linus Walleij
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