linux-kernel - Re: [PATCH 12/15] ARM: vexpress: fix a leaked reference by addingmissing of_node

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Date:   Mon, 4 Mar 2019 14:46:06 +0000
From:   Sudeep Holla <sudeep.holla@....com>
To:     Wen Yang <wen.yang99@....com.cn>
Cc:     liviu.dudau@....com, lorenzo.pieralisi@....com,
        linux@...linux.org.uk, linux-arm-kernel@...ts.infradead.org,
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Subject: Re: [PATCH 12/15] ARM: vexpress: fix a leaked reference by
 addingmissing of_node_put

On Fri, Mar 01, 2019 at 04:56:53PM +0800, Wen Yang wrote:
> 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-vexpress/dcscb.c:150:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 145, but without a corresponding object release within this function.
> ./arch/arm/mach-vexpress/dcscb.c:160:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 145, but without a corresponding object release within this function.
> ./arch/arm/mach-vexpress/dcscb.c:171:1-7: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 145, but without a corresponding object release within this function.
> 
> Signed-off-by: Wen Yang <wen.yang99@....com.cn>
> Cc: Liviu Dudau <liviu.dudau@....com>
> Cc: Sudeep Holla <sudeep.holla@....com>

Looks good, assuming you want to take this as a series. Please shout if
you want us to take this.

Acked-by: Sudeep Holla <sudeep.holla@....com>

--
Regards,
Sudeep