linux-kernel - [PATCH] tty/sysrq: add of_node

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Message-Id: <20181121131214.22343-1-tiny.windzz@gmail.com>
Date:   Wed, 21 Nov 2018 08:12:14 -0500
From:   Yangtao Li <tiny.windzz@...il.com>
To:     gregkh@...uxfoundation.org, jslaby@...e.com
Cc:     linux-kernel@...r.kernel.org, Yangtao Li <tiny.windzz@...il.com>
Subject: [PATCH] tty/sysrq: 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/tty/sysrq.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c
index ad1ee5d01b53..4bba54e62204 100644
--- a/drivers/tty/sysrq.c
+++ b/drivers/tty/sysrq.c
@@ -736,6 +736,8 @@ static void sysrq_of_get_keyreset_config(void)
 
 	/* Get reset timeout if any. */
 	of_property_read_u32(np, "timeout-ms", &sysrq_reset_downtime_ms);
+
+	of_node_put(np);
 }
 #else
 static void sysrq_of_get_keyreset_config(void)
-- 
2.17.0