linux-kernel - Re: [PATCH 3/4] ARM: rockchip: fix a leaked reference by adding missing of_node

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Message-ID: <2700593.YbihCcEB6N@phil>
Date:   Tue, 23 Apr 2019 19:54:34 +0200
From:   Heiko Stuebner <heiko@...ech.de>
To:     Wen Yang <wen.yang99@....com.cn>
Cc:     linux-kernel@...r.kernel.org, wang.yi59@....com.cn,
        Russell King <linux@...linux.org.uk>,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org
Subject: Re: [PATCH 3/4] ARM: rockchip: fix a leaked reference by adding missing of_node_put

Am Dienstag, 5. März 2019, 12:32:56 CEST schrieb Wen Yang:
> The call to of_get_next_child returns a node pointer with refcount
> incremented thus it must be explicitly decremented after the last
> usage.
> 
> Detected by coccinelle with the following warnings:
> ./arch/arm/mach-rockchip/platsmp.c:250:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 241, but without a corresponding object release within this function.
> ./arch/arm/mach-rockchip/platsmp.c:260:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 241, but without a corresponding object release within this function.
> ./arch/arm/mach-rockchip/platsmp.c:263:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 241, but without a corresponding object release within this function.
> 
> Signed-off-by: Wen Yang <wen.yang99@....com.cn>
> Cc: Russell King <linux@...linux.org.uk>
> Cc: Heiko Stuebner <heiko@...ech.de>
> Cc: linux-arm-kernel@...ts.infradead.org
> Cc: linux-rockchip@...ts.infradead.org
> Cc: linux-kernel@...r.kernel.org

applied for 5.2 after adapting the patch subject a little bit

Thanks
Heiko