[PATCH] mailbox: mtk: add missing of_node_put before return

From: Qing Wang
Date: Mon Dec 13 2021 - 04:49:51 EST


From: Wang Qing <wangqing@xxxxxxxx>

Fix following coccicheck warning:
WARNING: Function "for_each_child_of_node"
should have of_node_put() before return.

Early exits from for_each_child_of_node should decrement the
node reference counter.

Signed-off-by: Wang Qing <wangqing@xxxxxxxx>
---
drivers/mailbox/mtk-cmdq-mailbox.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/mailbox/mtk-cmdq-mailbox.c b/drivers/mailbox/mtk-cmdq-mailbox.c
index a8845b1..03abad5
--- a/drivers/mailbox/mtk-cmdq-mailbox.c
+++ b/drivers/mailbox/mtk-cmdq-mailbox.c
@@ -573,6 +573,7 @@ static int cmdq_probe(struct platform_device *pdev)
cmdq->clocks[alias_id].id = clk_names[alias_id];
cmdq->clocks[alias_id].clk = of_clk_get(node, 0);
if (IS_ERR(cmdq->clocks[alias_id].clk)) {
+ of_node_put(node);
dev_err(dev, "failed to get gce clk: %d\n", alias_id);
return PTR_ERR(cmdq->clocks[alias_id].clk);
}
--
2.7.4