media: mtk-vcodec: Add missing of_node_put() in mtk_vdec_hw_prob_done()

of_find_compatible_node() will increment the refcount of the returned
device_node. Calling of_node_put() to avoid the refcount leak.

Link: https://lore.kernel.org/linux-media/20220316123452.186166-1-wangxiongfeng2@huawei.com
Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_hw.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_hw.c
index 8d2a641..60da596 100644 (file)
--- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_hw.c
+++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_hw.c
@@ -47,6 +47,8 @@ static int mtk_vdec_hw_prob_done(struct mtk_vcodec_dev *vdec_dev)
                if (!subdev_node)
                        continue;
 
+               of_node_put(subdev_node);
+
                hw_idx = (enum mtk_vdec_hw_id)(uintptr_t)of_id->data;
                if (!test_bit(hw_idx, vdec_dev->subdev_bitmap)) {
                        dev_err(&pdev->dev, "vdec %d is not ready", hw_idx);