mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-29 22:02:02 +00:00
Code Issues Releases Wiki Activity

Drivers: hv: vmbus: fix possible memory leak in vmbus_device_register()

Browse source 
If device_register() returns error in vmbus_device_register(),
the name allocated by dev_set_name() must be freed. As comment
of device_register() says, it should use put_device() to give
up the reference in the error path. So fix this by calling
put_device(), then the name can be freed in kobject_cleanup().

Fixes: 09d50ff8a2 ("Staging: hv: make the Hyper-V virtual bus code build")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/20221119081135.1564691-3-yangyingliang@huawei.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
This commit is contained in:
Yang Yingliang 2022-11-19 16:11:35 +08:00 committed by Wei Liu
parent f92a4b50f0
commit 25c94b0515
1 changed files with 1 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
drivers/hv/vmbus_drv.c
View file

@ -2082,6 +2082,7 @@ int vmbus_device_register(struct hv_device *child_device_obj)
ret = device_register(&child_device_obj->device);
if (ret) {
pr_err("Unable to register child device\n");
put_device(&child_device_obj->device);
return ret;
}