gpu: ipu-v3: common: Add of_node_put() for reference returned by of_graph_get_port_by...

In ipu_add_client_devices(), we need to call of_node_put() for
reference returned by of_graph_get_port_by_id() in fail path.

Fixes: 17e052175039 ("gpu: ipu-v3: Do not bail out on missing optional port nodes")
Signed-off-by: Liang He <windhl@126.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/20220720152227.1288413-1-windhl@126.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220720152227.1288413-1-windhl@126.com

diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c
index 118318513e2d2a747c313a2e7d89bb485a1ac9f7..c35eac1116f5f8a7945bd85f16f40e7fbb83af83 100644 (file)
--- a/drivers/gpu/ipu-v3/ipu-common.c
+++ b/drivers/gpu/ipu-v3/ipu-common.c
@@ -1165,6 +1165,7 @@ static int ipu_add_client_devices(struct ipu_soc *ipu, unsigned long ipu_base)
                pdev = platform_device_alloc(reg->name, id++);
                if (!pdev) {
                        ret = -ENOMEM;
+                       of_node_put(of_node);
                        goto err_register;
                }