From: Jinjie Ruan <ruanjinjie@huawei.com>
To: Jakub Kicinski <kuba@kernel.org>
Cc: <andrew@lunn.ch>, <f.fainelli@gmail.com>, <olteanv@gmail.com>,
<davem@davemloft.net>, <edumazet@google.com>, <pabeni@redhat.com>,
<netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH -next] net: dsa: Simplify with scoped for each OF child loop
Date: Thu, 22 Aug 2024 10:07:25 +0800 [thread overview]
Message-ID: <2d67e112-75a0-3111-3f3a-91e6a982652f@huawei.com> (raw)
In-Reply-To: <20240821171817.3b935a9d@kernel.org>
On 2024/8/22 8:18, Jakub Kicinski wrote:
> On Tue, 20 Aug 2024 14:58:04 +0800 Jinjie Ruan wrote:
>> Use scoped for_each_available_child_of_node_scoped() when iterating over
>> device nodes to make code a bit simpler.
>
> Could you add more info here that confirms this works with gotos?
> I don't recall the details but I thought sometimes the scoped
> constructs don't do well with gotos. I checked 5 random uses
> of this loop and 4 of them didn't have gotos.
Hi, Jakub
From what I understand, for_each_available_child_of_node_scoped() is not
related to gotos, it only let the iterating child node self-declared and
automatic release, so the of_node_put(iterating_child_node) can be removed.
For example, the following use case has goto and use this macro:
Link:
https://lore.kernel.org/all/20240813-b4-cleanup-h-of-node-put-other-v1-6-cfb67323a95c@linaro.org/
next prev parent reply other threads:[~2024-08-22 2:07 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-20 6:58 Jinjie Ruan
2024-08-22 0:18 ` Jakub Kicinski
2024-08-22 2:07 ` Jinjie Ruan [this message]
2024-08-22 14:39 ` Krzysztof Kozlowski
2024-08-22 15:05 ` Jakub Kicinski
2024-08-23 2:20 ` Jinjie Ruan
2024-08-22 14:51 ` Jakub Kicinski
2024-08-23 2:22 ` Jinjie Ruan
2024-08-23 6:35 ` Jinjie Ruan
2024-08-25 23:28 ` Andrew Lunn
2024-08-26 3:52 ` Jinjie Ruan
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