Unverified Commit a1a641a7 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!1476 ipv6/addrconf: fix a potential refcount underflow for idev 

Merge Pull Request from: @ci-robot 
 
PR sync from: Ziyang Xuan <william.xuanziyang@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/5A5SKE5UUQPIEHB7CMKLHKSRWTO2SF4R/ 
 
https://gitee.com/openeuler/kernel/issues/I7M991 
 
Link:https://gitee.com/openeuler/kernel/pulls/1476

 

Reviewed-by: default avatarYue Haibing <yuehaibing@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents 7a13eafd 7c087997

net/ipv6/addrconf.c

+1 −2
Original line number Diff line number Diff line
@@ -314,9 +314,8 @@ static void addrconf_del_dad_work(struct inet6_ifaddr *ifp) 
static void addrconf_mod_rs_timer(struct inet6_dev *idev,

				  unsigned long when)

{

	if (!timer_pending(&idev->rs_timer))

	if (!mod_timer(&idev->rs_timer, jiffies + when))

		in6_dev_hold(idev);

	mod_timer(&idev->rs_timer, jiffies + when);

}



static void addrconf_mod_dad_work(struct inet6_ifaddr *ifp,