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Date: Wed, 21 Oct 2015 16:14:58 -0700
From: Stephen Boyd <sboyd@codeaurora.org>
To: Julia Lawall <Julia.Lawall@lip6.fr>
Cc: Michael Turquette <mturquette@baylibre.com>,
        kernel-janitors@vger.kernel.org, linux-clk@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 2/5] clk: si5351: add missing of_node_put
Message-ID: <20151021231458.GI19782@codeaurora.org>
References: <1445460100-26727-1-git-send-email-Julia.Lawall@lip6.fr>
 <1445460100-26727-3-git-send-email-Julia.Lawall@lip6.fr>
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On 10/21, Julia Lawall wrote:
> for_each_child_of_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>
> @@
> 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 ...;
> )
>    ...
>  }
> // </smpl>
> 
> The resulting puts were manually moved to the end of the function for
> conciseness.
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
> 
> ---

Applied to clk-next

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project

From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Boyd <sboyd@codeaurora.org>
Date: Wed, 21 Oct 2015 23:14:58 +0000
Subject: Re: [PATCH 2/5] clk: si5351: add missing of_node_put
Message-Id: <20151021231458.GI19782@codeaurora.org>
List-Id: <kernel-janitors.vger.kernel.org>
References: <1445460100-26727-1-git-send-email-Julia.Lawall@lip6.fr>
 <1445460100-26727-3-git-send-email-Julia.Lawall@lip6.fr>
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To: Julia Lawall <Julia.Lawall@lip6.fr>
Cc: Michael Turquette <mturquette@baylibre.com>, kernel-janitors@vger.kernel.org, linux-clk@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>

On 10/21, Julia Lawall wrote:
> for_each_child_of_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>
> @@
> 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 ...;
> )
>    ...
>  }
> // </smpl>
> 
> The resulting puts were manually moved to the end of the function for
> conciseness.
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
> 
> ---

Applied to clk-next

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project