linux-kernel - Re: [PATCH 06/12] omapfb: add missing of_node_put after of_device_is

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Message-ID: <f06e8d3a-a98d-239b-d5e1-e5fad2bc4bb9@samsung.com>
Date:   Mon, 1 Apr 2019 14:07:17 +0200
From:   Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
To:     Julia Lawall <Julia.Lawall@...6.fr>
Cc:     kernel-janitors@...r.kernel.org, linux-omap@...r.kernel.org,
        linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 06/12] omapfb: add missing of_node_put after
 of_device_is_available


On 02/23/2019 02:20 PM, Julia Lawall wrote:
> Add an of_node_put when a tested device node is not available.
> 
> The semantic patch that fixes this problem is as follows
> (http://coccinelle.lip6.fr):
> 
> // <smpl>
> @@
> identifier f;
> local idexpression e;
> expression x;
> @@
> 
> e = f(...);
> ... when != of_node_put(e)
>     when != x = e
>     when != e = x
>     when any
> if (<+...of_device_is_available(e)...+>) {
>   ... when != of_node_put(e)
> (
>   return e;
> |
> + of_node_put(e);
>   return ...;
> )
> }
> // </smpl>
> 
> Fixes: f76ee892a99e6 ("omapfb: copy omapdss & displays for omapfb")
> Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>

Patch queued for v5.2, thanks.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics