linux-kernel - Re: [PATCH] clk: mediatek: Fix error handling in runtime PM setup

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Message-ID: <176913282359.4027.16928737563389647276@lazor>
Date: Thu, 22 Jan 2026 18:47:03 -0700
From: Stephen Boyd <sboyd@...nel.org>
To: Haotian Zhang <vulab@...as.ac.cn>, angelogioacchino.delregno@...labora.com, matthias.bgg@...il.com, mturquette@...libre.com
Cc: nfraprado@...labora.com, laura.nao@...labora.com, wenst@...omium.org, linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org, Haotian Zhang <vulab@...as.ac.cn>
Subject: Re: [PATCH] clk: mediatek: Fix error handling in runtime PM setup

Quoting Haotian Zhang (2025-11-23 08:43:15)
> devm_pm_runtime_enable() can fail due to memory allocation. The current
> code ignores its return value, and when pm_runtime_resume_and_get() fails,
> it returns directly without unmapping the shared_io region.
> 
> Add error handling for devm_pm_runtime_enable(). Reorder cleanup labels
> to properly unmap shared_io on pm_runtime_resume_and_get() failure.
> 
> Fixes: 2f7b1d8b5505 ("clk: mediatek: Do a runtime PM get on controllers during probe")
> Signed-off-by: Haotian Zhang <vulab@...as.ac.cn>
> ---

Applied to clk-next