[PATCH] sbus: char: Fix refcount leak bug in openrom.c

[Liang He]

In opiocgetnext(), we need a of_node_put() to keep refcount balance
for device_node pointer returned by of_find_node_by_phandle() or
of_find_node_by_path().

Signed-off-by: Liang He <windhl@xxxxxxx>
---
 drivers/sbus/char/openprom.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/sbus/char/openprom.c b/drivers/sbus/char/openprom.c
index 30b9751aad30..701978db0f0f 100644
--- a/drivers/sbus/char/openprom.c
+++ b/drivers/sbus/char/openprom.c
@@ -518,6 +518,7 @@ static int opiocgetnext(unsigned int cmd, void __user *argp)
 	}
 	if (dp)
 		nd = dp->phandle;
+	of_node_put(dp);
 	if (copy_to_user(argp, &nd, sizeof(phandle)))
 		return -EFAULT;
 
-- 
2.25.1