[PATCH -next] greybus: arche-platform: Add missing of_node_put() in arche_platform_change_state()

[Wei Yongjun]

From: Wei Yongjun <weiyongjun1@xxxxxxxxxx>

This node pointer is returned by of_find_compatible_node() with
refcount incremented in this function. of_node_put() on it before
exitting this function.

This is detected by Coccinelle semantic patch.

Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
---
 drivers/staging/greybus/arche-platform.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/greybus/arche-platform.c b/drivers/staging/greybus/arche-platform.c
index a850f6b..389ed36 100644
--- a/drivers/staging/greybus/arche-platform.c
+++ b/drivers/staging/greybus/arche-platform.c
@@ -128,6 +128,7 @@ int arche_platform_change_state(enum arche_platform_state state,
 	pdev = of_find_device_by_node(np);
 	if (!pdev) {
 		pr_err("arche-platform device not found\n");
+		of_node_put(np);
 		return -ENODEV;
 	}