linux-kernel - [PATCH] drm/pl111: add of_node

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Message-Id: <20181121131723.22431-1-tiny.windzz@gmail.com>
Date:   Wed, 21 Nov 2018 08:17:23 -0500
From:   Yangtao Li <tiny.windzz@...il.com>
To:     eric@...olt.net, airlied@...ux.ie
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Yangtao Li <tiny.windzz@...il.com>
Subject: [PATCH] drm/pl111: add of_node_put()

of_find_node_by_path() acquires a reference to the node
returned by it and that reference needs to be dropped by its caller.
bl_idle_init() doesn't do that, so fix it.

Signed-off-by: Yangtao Li <tiny.windzz@...il.com>
---
 drivers/gpu/drm/pl111/pl111_vexpress.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/pl111/pl111_vexpress.c b/drivers/gpu/drm/pl111/pl111_vexpress.c
index 5fa0441bb6df..38c938c9adda 100644
--- a/drivers/gpu/drm/pl111/pl111_vexpress.c
+++ b/drivers/gpu/drm/pl111/pl111_vexpress.c
@@ -55,6 +55,8 @@ int pl111_vexpress_clcd_init(struct device *dev,
 		}
 	}
 
+	of_node_put(root);
+
 	/*
 	 * If there is a coretile HDLCD and it has a driver,
 	 * do not mux the CLCD on the motherboard to the DVI.
-- 
2.17.0