From: Wei Yongjun <weiyongjun1@huawei.com>
Date: Mon, 17 Oct 2016 16:37:20 +0000 (+0000)
Subject: greybus: arche-platform: Add missing of_node_put() in arche_platform_change_state()
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=25633d1f5dd7ea35c77aae12c039a80e46abec01;p=linux-beck.git

greybus: arche-platform: Add missing of_node_put() in arche_platform_change_state()

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@huawei.com>
Acked-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/greybus/arche-platform.c b/drivers/staging/greybus/arche-platform.c
index e36ee984485b..34307ac3f255 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;
 	}