On Sun, Jul 21, 2013 at 11:58:13PM +0530, Srivatsa S. Bhat wrote:
> I'm seeing this on every boot.
>
> Version: Latest mainline (commit ea45ea70b)
Thanks for the report! Could you try the following patch?
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 583e8d4..373906c 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -1601,9 +1601,9 @@ int ip6mr_sk_done(struct sock *sk)
struct mr6_table *mrt;
rtnl_lock();
+ write_lock_bh(&mrt_lock);
ip6mr_for_each_table(mrt, net) {
if (sk == mrt->mroute6_sk) {
- write_lock_bh(&mrt_lock);
mrt->mroute6_sk = NULL;
net->ipv6.devconf_all->mc_forwarding--;
inet6_netconf_notify_devconf(net,
@@ -1611,14 +1611,14 @@ int ip6mr_sk_done(struct sock *sk)
NETCONFA_IFINDEX_ALL,
net->ipv6.devconf_all);
write_unlock_bh(&mrt_lock);
-
mroute_clean_tables(mrt);
err = 0;
- break;
+ goto out;
}
}
+ write_unlock_bh(&mrt_lock);
+out:
rtnl_unlock();
-
return err;
}
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