Commit ae3264a2 authored by Yue Haibing's avatar Yue Haibing Committed by Jakub Kicinski
Browse files

ipv6: mcast: Delay put pmc->idev in mld_del_delrec() 



pmc->idev is still used in ip6_mc_clear_src(), so as mld_clear_delrec()
does, the reference should be put after ip6_mc_clear_src() return.

Fixes: 63ed8de4 ("mld: add mc_lock for protecting per-interface mld data")
Signed-off-by: default avatarYue Haibing <yuehaibing@huawei.com>
Link: https://patch.msgid.link/20250714141957.3301871-1-yuehaibing@huawei.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 69a46a5b

net/ipv6/mcast.c

+1 −1
Original line number Diff line number Diff line
@@ -807,8 +807,8 @@ static void mld_del_delrec(struct inet6_dev *idev, struct ifmcaddr6 *im) 
		} else {

			im->mca_crcount = idev->mc_qrv;

		}

		in6_dev_put(pmc->idev);

		ip6_mc_clear_src(pmc);

		in6_dev_put(pmc->idev);

		kfree_rcu(pmc, rcu);

	}

}