From: Yanteng Si <si.yanteng@linux.dev>
To: Philipp Stanner <pstanner@redhat.com>,
Philipp Stanner <phasta@kernel.org>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Alexandre Torgue <alexandre.torgue@foss.st.com>,
Huacai Chen <chenhuacai@kernel.org>,
Yinggang Gu <guyinggang@loongson.cn>,
Feiyang Chen <chenfeiyang@loongson.cn>,
Jiaxun Yang <jiaxun.yang@flygoat.com>,
Qing Zhang <zhangqing@loongson.cn>
Cc: netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next v3 2/4] stmmac: loongson: Remove surplus loop
Date: Wed, 26 Feb 2025 09:57:03 +0800 [thread overview]
Message-ID: <3db2c2fd-5125-4664-83d0-a0706ef2050f@linux.dev> (raw)
In-Reply-To: <7df6e1846ed6932c789a913c6a10aa8df5e26519.camel@redhat.com>
在 2/25/25 5:15 PM, Philipp Stanner 写道:
> On Tue, 2025-02-25 at 17:06 +0800, Yanteng Si wrote:
>> 在 2/24/25 9:53 PM, Philipp Stanner 写道:
>>> loongson_dwmac_probe() contains a loop which doesn't have an
>>> effect,
>>> because it tries to call pcim_iomap_regions() with the same
>>> parameters
>>> several times. The break statement at the loop's end furthermore
>>> ensures
>>> that the loop only runs once anyways.
>>>
>>> Remove the surplus loop.
>>>
>>> Signed-off-by: Philipp Stanner <phasta@kernel.org>
>> It seems that the fix-tag has been forgotten, next two patches as
>> well.
> Not forgotten, I just think that patches 2-4 are code improvements, not
> bug fixes.
>
> The issue in patch 1 would cause actual misbehavior (a useless debug
> information print in case of a resource collision), whereas 2-4 are
> just ugly code, but not actual bugs: the loop always just runs once;
> and unmapping the PCI resources manually is valid, but obviously
> unnecessary.
>
> Agreed?
You bet!
Thanks,
Yanteng
>
next prev parent reply other threads:[~2025-02-26 1:59 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-24 13:53 [PATCH net-next v3 0/4] stmmac: Several PCI-related improvements Philipp Stanner
2025-02-24 13:53 ` [PATCH net-next v3 1/4] stmmac: loongson: Pass correct arg to PCI function Philipp Stanner
2025-02-24 19:55 ` Andrew Lunn
2025-02-25 9:00 ` Yanteng Si
2025-02-24 13:53 ` [PATCH net-next v3 2/4] stmmac: loongson: Remove surplus loop Philipp Stanner
2025-02-24 19:55 ` Andrew Lunn
2025-02-25 9:06 ` Yanteng Si
2025-02-25 9:15 ` Philipp Stanner
2025-02-26 1:57 ` Yanteng Si [this message]
2025-02-25 9:29 ` Huacai Chen
2025-02-24 13:53 ` [PATCH net-next v3 3/4] stmmac: Remove pcim_* functions for driver detach Philipp Stanner
2025-02-24 19:56 ` Andrew Lunn
2025-02-25 9:10 ` Yanteng Si
2025-02-25 9:19 ` Huacai Chen
2025-02-24 13:53 ` [PATCH net-next v3 4/4] stmmac: Replace deprecated PCI functions Philipp Stanner
2025-02-24 19:57 ` Andrew Lunn
2025-02-25 7:16 ` Philipp Stanner
2025-02-25 9:14 ` Yanteng Si
2025-02-25 9:30 ` Huacai Chen
2025-02-25 8:42 ` [PATCH net-next v3 0/4] stmmac: Several PCI-related improvements Henry Chen
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