linux-kernel - Re: [PATCH 1/1] mips: cpc: Fix refcount leak in mips_cpc_default_phys

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Message-ID: <20220426143245.GF18291@alpha.franken.de>
Date:   Tue, 26 Apr 2022 16:32:45 +0200
From:   Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To:     Yuanjun Gong <ruc_gongyuanjun@....com>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] mips: cpc: Fix refcount leak in
 mips_cpc_default_phys_base

On Thu, Apr 07, 2022 at 12:26:57PM +0800, Yuanjun Gong wrote:
> From: Gong Yuanjun <ruc_gongyuanjun@....com>
> 
> Add the missing of_node_put() to release the refcount incremented
> by of_find_compatible_node().
> 
> Signed-off-by: Gong Yuanjun <ruc_gongyuanjun@....com>
> ---
>  arch/mips/kernel/mips-cpc.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/mips/kernel/mips-cpc.c b/arch/mips/kernel/mips-cpc.c
> index 17aff13cd7ce..3e386f7e1545 100644
> --- a/arch/mips/kernel/mips-cpc.c
> +++ b/arch/mips/kernel/mips-cpc.c
> @@ -28,6 +28,7 @@ phys_addr_t __weak mips_cpc_default_phys_base(void)
>  	cpc_node = of_find_compatible_node(of_root, NULL, "mti,mips-cpc");
>  	if (cpc_node) {
>  		err = of_address_to_resource(cpc_node, 0, &res);
> +		of_node_put(cpc_node);
>  		if (!err)
>  			return res.start;
>  	}
> -- 
> 2.17.1

applied to mips-next.

Thomas.

-- 
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