linux-kernel - Re: [PATCH] [media] media: mtk-mdp: fix reference count on old device tree

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Date:   Fri, 21 Jun 2019 15:22:41 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Matthias Brugger <matthias.bgg@...il.com>
Cc:     minghsiu.tsai@...iatek.com, houlong.wei@...iatek.com,
        andrew-ct.chen@...iatek.com, mchehab@...nel.org,
        djkurtz@...omium.org, linux-media@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org
Subject: Re: [PATCH] [media] media: mtk-mdp: fix reference count on old
 device tree

On Fri, Jun 21, 2019 at 01:32:50PM +0200, Matthias Brugger wrote:
> of_get_next_child() increments the reference count of the returning
> device_node. Decrement it in the check if we are using the old or the
> new DTB.
> 
> Fixes: ba1f1f70c2c0 ("[media] media: mtk-mdp: Fix mdp device tree")
> Signed-off-by: Matthias Brugger <matthias.bgg@...il.com>
> ---
>  drivers/media/platform/mtk-mdp/mtk_mdp_core.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read:
    https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.

</formletter>