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
