8 Dec
2021
8 Dec
'21
2:05 p.m.
On Tue, Dec 07, 2021 at 04:56:58AM -0800, Qing Wang wrote:
From: Wang Qing wangqing@vivo.com
of_find_device_by_node() takes a reference to the embedded struct device which needs to be dropped when error return.
...
data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); if (!data) {
put_device(&cpu_pdev->dev);
If it's of_find_device_by_node() you need an of_node_put() since you're dropping a reference on the OF node.