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Date: Fri, 16 Mar 2012 16:35:11 -0700 From: Greg KH <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: torvalds@...ux-foundation.org, akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk, Li Wei <lw@...fujitsu.com>, "David S. Miller" <davem@...emloft.net> Subject: [ 24/38] IPv6: Fix not join all-router mcast group when forwarding set. 3.0-stable review patch. If anyone has any objections, please let me know. ------------------ From: Li Wei <lw@...fujitsu.com> [ Upstream commit d6ddef9e641d1229d4ec841dc75ae703171c3e92 ] When forwarding was set and a new net device is register, we need add this device to the all-router mcast group. Signed-off-by: Li Wei <lw@...fujitsu.com> Signed-off-by: David S. Miller <davem@...emloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- net/ipv6/addrconf.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -433,6 +433,10 @@ static struct inet6_dev * ipv6_add_dev(s /* Join all-node multicast group */ ipv6_dev_mc_inc(dev, &in6addr_linklocal_allnodes); + /* Join all-router multicast group if forwarding is set */ + if (ndev->cnf.forwarding && dev && (dev->flags & IFF_MULTICAST)) + ipv6_dev_mc_inc(dev, &in6addr_linklocal_allrouters); + return ndev; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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