We should use put_device() instead of freeing device directly after device_initialize(). Fixes: cb36e29bb0e4b ("watchdog: initialize device before misc_register") Signed-off-by: Dinghao Liu <dinghao.liu@xxxxxxxxxx> --- Changelog: v2: - Use put_device() instead of just removing kfree. Move the memleak part to a separate patch. --- drivers/watchdog/watchdog_dev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/watchdog/watchdog_dev.c b/drivers/watchdog/watchdog_dev.c index 6798addabd5a..b0fa7f31b1b6 100644 --- a/drivers/watchdog/watchdog_dev.c +++ b/drivers/watchdog/watchdog_dev.c @@ -1021,7 +1021,7 @@ static int watchdog_cdev_register(struct watchdog_device *wdd) pr_err("%s: a legacy watchdog module is probably present.\n", wdd->info->identity); old_wd_data = NULL; - kfree(wd_data); + put_device(&wd_data->dev); return err; } } -- 2.17.1