linux-kernel - Re: [PATCH] firmware: arm_scmi: Fix leak in scmi_mailbox

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Message-ID: <20190410155000.GD3952@e107155-lin>
Date:   Wed, 10 Apr 2019 16:50:00 +0100
From:   Sudeep Holla <sudeep.holla@....com>
To:     Steven Price <steven.price@....com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Sudeep Holla <sudeep.holla@....com>
Subject: Re: [PATCH] firmware: arm_scmi: Fix leak in scmi_mailbox_check

On Mon, Mar 25, 2019 at 05:37:22PM +0000, Steven Price wrote:
> of_parse_phandle_with_args() requires the caller to call of_node_put() on
> the returned args->np pointer. Otherwise the reference count will remain
> incremented.
>

Good find and thanks for the fix.

> However, in this case, since we don't actually use the returned pointer,
> we can simply pass in NULL.
>
> Fixes: aa4f886f3893f ("firmware: arm_scmi: add basic driver infrastructure for SCMI")
> Signed-off-by: Steven Price <steven.price@....com>

Applied.

--
Regards,
Sudeep