linux-kernel - Re: [PATCH] mtd: maps: Fix refcount leak in of_flash_probe

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Message-ID: <CACRpkda=YCUCVzHLn9YHANsNk48PHEBUmP2gvPhh-S+4rCikbw@mail.gmail.com>
Date:   Tue, 24 May 2022 09:25:11 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Miaoqian Lin <linmq006@...il.com>
Cc:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mtd: maps: Fix refcount leak in of_flash_probe_versatile

On Mon, May 23, 2022 at 4:02 PM Miaoqian Lin <linmq006@...il.com> wrote:

> of_find_matching_node_and_match() returns a node pointer with refcount
> incremented, we should use of_node_put() on it when not need anymore.
> Add missing of_node_put() to avoid refcount leak.
>
> Fixes: b0afd44bc192 ("mtd: physmap_of: add a hook for Versatile write protection")
> Signed-off-by: Miaoqian Lin <linmq006@...il.com>

Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij