for_each_available_child_of_node will get and put the node properly, the following of_node_put will lead to the double put. So just remove it. Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx> --- drivers/gpu/drm/zte/zx_drm_drv.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/gpu/drm/zte/zx_drm_drv.c b/drivers/gpu/drm/zte/zx_drm_drv.c index 6f4205e8..d7b9870 100644 --- a/drivers/gpu/drm/zte/zx_drm_drv.c +++ b/drivers/gpu/drm/zte/zx_drm_drv.c @@ -161,10 +161,8 @@ static int zx_drm_probe(struct platform_device *pdev) if (ret) return ret; - for_each_available_child_of_node(parent, child) { + for_each_available_child_of_node(parent, child) component_match_add(dev, &match, compare_of, child); - of_node_put(child); - } return component_master_add_with_match(dev, &zx_drm_master_ops, match); } -- 1.7.12.4 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel