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ipv4, ipv6: kill ip_mc_{join, leave}_group and ipv6_sock_mc_{join, drop}

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in favor of their inner __ ones, which doesn't grab rtnl.

As these functions need to operate on a locked socket, we can't be
grabbing rtnl by then. It's too late and doing so causes reversed
locking.

So this patch:
- move rtnl handling to callers instead while already fixing some
  reversed locking situations, like on vxlan and ipvs code.
- renames __ ones to not have the __ mark:
  __ip_mc_{join,leave}_group -> ip_mc_{join,leave}_group
  __ipv6_sock_mc_{join,drop} -> ipv6_sock_mc_{join,drop}

Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Marcelo Ricardo Leitner
2015-03-18 14:50:43 -03:00
committed by David S. Miller
parent baf606d9c9
commit 54ff9ef36b
11 changed files with 51 additions and 87 deletions
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4
net/tipc/udp_media.c
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@@ -246,11 +246,11 @@ static int enable_mcast(struct udp_bearer *ub, struct udp_media_addr *remote)
return 0;
mreqn.imr_multiaddr = remote->ipv4;
mreqn.imr_ifindex = ub->ifindex;
err = __ip_mc_join_group(sk, &mreqn);
err = ip_mc_join_group(sk, &mreqn);
} else {
if (!ipv6_addr_is_multicast(&remote->ipv6))
return 0;
err = __ipv6_sock_mc_join(sk, ub->ifindex, &remote->ipv6);
err = ipv6_sock_mc_join(sk, ub->ifindex, &remote->ipv6);
}
return err;
}