mips: ralink: fix a refcount leak in ill_acc_of_setup()

[ Upstream commit 4a0a1436053b17e50b7c88858fb0824326641793 ]

of_node_put(np) needs to be called when pdev == NULL.

Signed-off-by: Hangyu Hua <hbh25y@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/arch/mips/ralink/ill_acc.c b/arch/mips/ralink/ill_acc.c
index bdf53807d7c2b543cb0faa50f3f41aa565905ac6..bea857c9da8b7aa605b08615951a5a414fdb0bdd 100644 (file)
--- a/arch/mips/ralink/ill_acc.c
+++ b/arch/mips/ralink/ill_acc.c
@@ -61,6 +61,7 @@ static int __init ill_acc_of_setup(void)
        pdev = of_find_device_by_node(np);
        if (!pdev) {
                pr_err("%pOFn: failed to lookup pdev\n", np);
+               of_node_put(np);
                return -EINVAL;
        }