linux-kernel - Re: [PATCH v3] arm/mm: Fix refcount leak bugs in cache

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Date:   Wed, 22 Jun 2022 10:58:49 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Liang He <windhl@....com>, linux@...linux.org.uk,
        rmk+kernel@...linux.org.uk, wangkefeng.wang@...wei.com,
        ardb@...nel.org, arnd@...db.de, akpm@...ux-foundation.org,
        rppt@...nel.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] arm/mm: Fix refcount leak bugs in cache

On 19/06/2022 03:39, Liang He wrote:
> In feroceon_of_init() and tauros2_init(), of_find_matching_node()
> will return a node pointer with refcount incremented. We should
> use of_node_put() in fail path or when it is not used anymore.
> 
> Signed-off-by: Liang He <windhl@....com>
> ---
>  changelog:
> 
>  v3: (1) merge arm/mm leak bugs (2) fix bugs intro-ed by v2
>  v2: (1) use real name (2) normalize coding style
>  v1: (1) fix leak bug
> 

Before applying the patch please check it carefully. Previous evidence
[1][2] suggests that not it was not even compiled.



[1] https://lore.kernel.org/all/202206221602.odN70SHs-lkp@intel.com/

[2]
https://lore.kernel.org/all/16f9a971.44e5.1817068ee3c.Coremail.windhl@126.com/


Best regards,
Krzysztof