Each iteration of for_each_child_of_node puts the previous node, but in the case of a return from the middle of the loop, there is no put, thus causing a memory leak. Hence add an of_node_put before the return in three places. Issue found with Coccinelle. Signed-off-by: Nishka Dasgupta <nishkadg.linux@xxxxxxxxx> --- drivers/input/keyboard/sun4i-lradc-keys.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/input/keyboard/sun4i-lradc-keys.c b/drivers/input/keyboard/sun4i-lradc-keys.c index 6ffdc26b9c89..4a796bed48ac 100644 --- a/drivers/input/keyboard/sun4i-lradc-keys.c +++ b/drivers/input/keyboard/sun4i-lradc-keys.c @@ -198,18 +198,21 @@ static int sun4i_lradc_load_dt_keymap(struct device *dev, error = of_property_read_u32(pp, "channel", &channel); if (error || channel != 0) { dev_err(dev, "%pOFn: Inval channel prop\n", pp); + of_node_put(pp); return -EINVAL; } error = of_property_read_u32(pp, "voltage", &map->voltage); if (error) { dev_err(dev, "%pOFn: Inval voltage prop\n", pp); + of_node_put(pp); return -EINVAL; } error = of_property_read_u32(pp, "linux,code", &map->keycode); if (error) { dev_err(dev, "%pOFn: Inval linux,code prop\n", pp); + of_node_put(pp); return -EINVAL; } -- 2.19.1