From: Liang He <windhl@126.com>
Date: Fri, 17 Jun 2022 14:58:03 +0000 (+0800)
Subject: ARM: OMAP2+: display: Fix refcount leak bug
X-Git-Tag: v5.10.137~447
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=88d556029a78999b098d26a330bb6a7de166f426;p=users%2Fdwmw2%2Flinux.git

ARM: OMAP2+: display: Fix refcount leak bug

[ Upstream commit 50b87a32a79bca6e275918a711fb8cc55e16d739 ]

In omapdss_init_fbdev(), of_find_node_by_name() will return a node
pointer with refcount incremented. We should use of_node_put() when
it is not used anymore.

Signed-off-by: Liang He <windhl@126.com>
Message-Id: <20220617145803.4050918-1-windhl@126.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c
index 6098666e928d0..fc635eed73abb 100644
--- a/arch/arm/mach-omap2/display.c
+++ b/arch/arm/mach-omap2/display.c
@@ -211,6 +211,7 @@ static int __init omapdss_init_fbdev(void)
 	node = of_find_node_by_name(NULL, "omap4_padconf_global");
 	if (node)
 		omap4_dsi_mux_syscon = syscon_node_to_regmap(node);
+	of_node_put(node);
 
 	return 0;
 }