ARM: OMAP2+: display: Fix refcount leak bug

[ Upstream commit 10b0e785270613bfa3571d815843fe4a8be3ab26 ]

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 1bd64f6ba8cfeb666258e73d2ae4fc909158c3d4..d3b531d5d920293124d8f410620708f4ab474fe6 100644 (file)
--- 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;
 }