clk: samsung: exynos4: fix refcount leak in exynos4_get_xom()

The of_find_compatible_node() returns a node pointer with refcount
incremented, but there is the lack of use of the of_node_put() when
done. Add the missing of_node_put() to release the refcount.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Fixes: e062b571777f ("clk: exynos4: register clocks using common clock framework")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c
index 59d4d46667ce51d0043bb9d02e5f2d8b82179c93..54066e6508d3eeb259e89c82e1bf318d0379fa81 100644 (file)
--- a/drivers/clk/samsung/clk-exynos4.c
+++ b/drivers/clk/samsung/clk-exynos4.c
@@ -1028,6 +1028,7 @@ static unsigned long __init exynos4_get_xom(void)
                        xom = readl(chipid_base + 8);
 
                iounmap(chipid_base);
+               of_node_put(np);
        }
 
        return xom;