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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Zijun Hu <zijun_hu@icloud.com>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>,
	Davidlohr Bueso <dave@stgolabs.net>,
	Jonathan Cameron <jonathan.cameron@huawei.com>,
	Dave Jiang <dave.jiang@intel.com>,
	Alison Schofield <alison.schofield@intel.com>,
	Vishal Verma <vishal.l.verma@intel.com>,
	Ira Weiny <ira.weiny@intel.com>,
	Dan Williams <dan.j.williams@intel.com>,
	Takashi Sakamoto <o-takashi@sakamocchi.jp>,
	Timur Tabi <timur@kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	linux-kernel@vger.kernel.org, linux-cxl@vger.kernel.org,
	linux1394-devel@lists.sourceforge.net, netdev@vger.kernel.org,
	Zijun Hu <quic_zijuhu@quicinc.com>
Subject: Re: [PATCH 2/5] driver core: Introduce an API constify_device_find_child_helper()
Date: Tue, 13 Aug 2024 11:45:46 +0200	[thread overview]
Message-ID: <2024081314-marbling-clasp-442a@gregkh> (raw)
In-Reply-To: <20240811-const_dfc_prepare-v1-2-d67cc416b3d3@quicinc.com>

On Sun, Aug 11, 2024 at 08:18:08AM +0800, Zijun Hu wrote:
> From: Zijun Hu <quic_zijuhu@quicinc.com>
> 
> Introduce constify_device_find_child_helper() to replace existing
> device_find_child()'s usages whose match functions will modify
> caller's match data.

Ick, that's not a good name, it should be "noun_verb" with the subsystem being on the prefix always.

But why is this even needed?  Device pointers are NOT const for the
obvious reason that they can be changed by loads of different things.
Trying to force them to be const is going to be hard, if not impossible.

thanks,

greg k-h

  reply	other threads:[~2024-08-13  9:45 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-08-11  0:18 [PATCH 0/5] driver core: Prevent device_find_child() from modifying caller's match data Zijun Hu
2024-08-11  0:18 ` [PATCH 1/5] driver core: Add simple parameter checks for APIs device_(for_each|find)_child() Zijun Hu
2024-08-13  9:44   ` Greg Kroah-Hartman
2024-08-13 10:00     ` quic_zijuhu
2024-08-13 10:19       ` Greg Kroah-Hartman
2024-08-11  0:18 ` [PATCH 2/5] driver core: Introduce an API constify_device_find_child_helper() Zijun Hu
2024-08-13  9:45   ` Greg Kroah-Hartman [this message]
2024-08-13 10:50     ` quic_zijuhu
2024-08-13 10:57       ` Greg Kroah-Hartman
2024-08-13 11:15         ` quic_zijuhu
2024-08-11  0:18 ` [PATCH 3/5] cxl/region: Prevent device_find_child() from modifying caller's match data Zijun Hu
2024-08-12 12:54   ` Przemek Kitszel
2024-08-12 15:32     ` Zijun Hu
2024-08-11  0:18 ` [PATCH 4/5] firewire: core: " Zijun Hu
2024-08-11  0:18 ` [PATCH 5/5] net: qcom/emac: " Zijun Hu

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