linux-kernel - Re: [PATCH v3] clk: qcom: Fix error checking for devm_clk_hw_get

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Message-ID: <abd2fd90-7ff3-48df-ad6d-64796000059f@web.de>
Date: Tue, 27 Aug 2024 22:08:09 +0200
From: Markus Elfring <Markus.Elfring@....de>
To: Stephen Boyd <sboyd@...nel.org>, linux-clk@...r.kernel.org,
 linux-arm-msm@...r.kernel.org, opensource.kernel@...o.com,
 Bjorn Andersson <andersson@...nel.org>,
 Michael Turquette <mturquette@...libre.com>, Yan Zhen <yanzhen@...o.com>
Cc: LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3] clk: qcom: Fix error checking for
 devm_clk_hw_get_clk()

> > The devm_clk_hw_get_clk() function returns error pointers.
> > It never returns NULL.  Update the check accordingly.
>
> It can return NULL if the 'hw' pointer passed in is NULL.

How does this view fit to a published function implementation?
https://elixir.bootlin.com/linux/v6.11-rc5/source/drivers/clk/clk.c#L4703

Regards,
Markus