[PATCH 5.4 396/475] mips: ralink: fix a refcount leak in ill_acc_of_setup()

From: Greg Kroah-Hartman
Date: Thu Apr 14 2022 - 11:19:52 EST


From: Hangyu Hua <hbh25y@xxxxxxxxx>

[ Upstream commit 4a0a1436053b17e50b7c88858fb0824326641793 ]

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

Signed-off-by: Hangyu Hua <hbh25y@xxxxxxxxx>
Signed-off-by: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
arch/mips/ralink/ill_acc.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/mips/ralink/ill_acc.c b/arch/mips/ralink/ill_acc.c
index 0ddeb31afa93..45ca2b84f096 100644
--- 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;
}

--
2.35.1