From: Dinghao Liu <dinghao.liu@xxxxxxxxxx>
[ Upstream commit 937425d4cd3ae4e2882b41e332bbbab616bcf0ad ]
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>
Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20200824031230.31050-1-dinghao.liu@xxxxxxxxxx
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Signed-off-by: Wim Van Sebroeck <wim@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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 d772dff789f3c..c2065615fd6ca 100644
--- a/drivers/watchdog/watchdog_dev.c
+++ b/drivers/watchdog/watchdog_dev.c
@@ -1020,7 +1020,7 @@ 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;
}
}
--
2.25.1
