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

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[ Upstream commit ae3264a25a ]

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: 63ed8de4be ("mld: add mc_lock for protecting per-interface mld data")
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Link: https://patch.msgid.link/20250714141957.3301871-1-yuehaibing@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Yue Haibing 2025-07-14 22:19:57 +08:00 committed by Greg Kroah-Hartman
parent be948f78e3
commit 728db00a14
1 changed files with 1 additions and 1 deletions
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2
net/ipv6/mcast.c
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@ -803,8 +803,8 @@ 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);
}
}