On Sun, Apr 18, 2021 at 10:16:07PM +0200, Linus Lüssing wrote: > On Sun, Apr 18, 2021 at 10:14:22PM +0200, Linus Lüssing wrote: > > [...] > > diff --git a/net/batman-adv/multicast.c b/net/batman-adv/multicast.c > > index 28166402..1d63c8cb 100644 > > --- a/net/batman-adv/multicast.c > > +++ b/net/batman-adv/multicast.c > > @@ -454,8 +454,9 @@ batadv_mcast_mla_softif_get_ipv6(struct net_device *dev, > > return 0; > > } > > > > - read_lock_bh(&in6_dev->lock); > > - for (pmc6 = in6_dev->mc_list; pmc6; pmc6 = pmc6->next) { > > + for (pmc6 = rcu_dereference(in6_dev->mc_list); > > + pmc6; > > + pmc6 = rcu_dereference(pmc6->next)) { > > if (IPV6_ADDR_MC_SCOPE(&pmc6->mca_addr) < > > IPV6_ADDR_SCOPE_LINKLOCAL) > > continue; > > @@ -484,7 +485,6 @@ batadv_mcast_mla_softif_get_ipv6(struct net_device *dev, > > hlist_add_head(&new->list, mcast_list); > > ret++; > > } > > - read_unlock_bh(&in6_dev->lock); > > rcu_read_unlock(); > > > > return ret; > > -- > > Ups, accidentally added this. Will remove that in the next > version.
Ah, no, sorry, should be in there, changed my mind :D. Sorry for the noise.