[PATCH] fbdev: omapfb: Call of_node_put(ep) only once in omapdss_of_find_source_for_first_ep()
Helge Deller
deller at gmx.de
Wed Sep 25 19:35:37 UTC 2024
On 9/25/24 21:21, Markus Elfring wrote:
> From: Markus Elfring <elfring at users.sourceforge.net>
> Date: Wed, 25 Sep 2024 21:12:36 +0200
>
> An of_node_put(ep) call was immediately used after a pointer check
> for a of_graph_get_remote_port() call in this function implementation.
> Thus call such a function only once instead directly before the check.
>
> This issue was transformed by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring at users.sourceforge.net>
applied.
Thanks!
Helge
> ---
> drivers/video/fbdev/omap2/omapfb/dss/dss-of.c | 7 ++-----
> 1 file changed, 2 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dss-of.c b/drivers/video/fbdev/omap2/omapfb/dss/dss-of.c
> index 4040e247e026..d5a43b3bf45e 100644
> --- a/drivers/video/fbdev/omap2/omapfb/dss/dss-of.c
> +++ b/drivers/video/fbdev/omap2/omapfb/dss/dss-of.c
> @@ -129,12 +129,9 @@ omapdss_of_find_source_for_first_ep(struct device_node *node)
> return ERR_PTR(-EINVAL);
>
> src_port = of_graph_get_remote_port(ep);
> - if (!src_port) {
> - of_node_put(ep);
> - return ERR_PTR(-EINVAL);
> - }
> -
> of_node_put(ep);
> + if (!src_port)
> + return ERR_PTR(-EINVAL);
>
> src = omap_dss_find_output_by_port_node(src_port);
>
> --
> 2.46.1
>
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