From: Miaoqian Lin linmq006@gmail.com
[ Upstream commit 3a149169e4a2f9127022fec6ef5d71b4e804b3b9 ]
Every iteration of for_each_available_child_of_node() decrements the reference counter of the previous node. There is no decrement when break out from the loop and results in refcount leak. Add missing of_node_put() to fix this.
Fixes: 5fc537bfd000 ("drm/mcde: Add new driver for ST-Ericsson MCDE") Signed-off-by: Miaoqian Lin linmq006@gmail.com Signed-off-by: Linus Walleij linus.walleij@linaro.org Link: https://patchwork.freedesktop.org/patch/msgid/20220525115411.65455-1-linmq00... Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/mcde/mcde_dsi.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/mcde/mcde_dsi.c b/drivers/gpu/drm/mcde/mcde_dsi.c index 180ebbccbeda..0b58d7f4ba78 100644 --- a/drivers/gpu/drm/mcde/mcde_dsi.c +++ b/drivers/gpu/drm/mcde/mcde_dsi.c @@ -1111,6 +1111,7 @@ static int mcde_dsi_bind(struct device *dev, struct device *master, bridge = of_drm_find_bridge(child); if (!bridge) { dev_err(dev, "failed to find bridge\n"); + of_node_put(child); return -EINVAL; } }