linux-kernel - [PATCH 11/11] media: platform: mtk-mdp3: add missing of_node

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Message-Id: <20230907095521.14053-12-Julia.Lawall@inria.fr>
Date:   Thu,  7 Sep 2023 11:55:21 +0200
From:   Julia Lawall <Julia.Lawall@...ia.fr>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>
Cc:     kernel-janitors@...r.kernel.org,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: [PATCH 11/11] media: platform: mtk-mdp3: add missing of_node_put

for_each_child_of_node performs an of_node_get on each
iteration, so a break out of the loop requires an
of_node_put.

This was done using the Coccinelle semantic patch
iterators/for_each_child.cocci

Signed-off-by: Julia Lawall <Julia.Lawall@...ia.fr>

---
 drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c |    1 +
 1 file changed, 1 insertion(+)

diff -u -p a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c
--- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c
+++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c
@@ -1137,6 +1137,7 @@ int mdp_comp_config(struct mdp_dev *mdp)
 		comp = mdp_comp_create(mdp, node, id);
 		if (IS_ERR(comp)) {
 			ret = PTR_ERR(comp);
+			of_node_put(node);
 			goto err_init_comps;
 		}