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| author | Arnd Bergmann <arnd@arndb.de> | 2013-04-09 18:40:45 +0400 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2013-04-09 18:40:45 +0400 |
| commit | b8250dc4192c6adab0b9a713a11bf19afc462c96 (patch) | |
| tree | 830299d0edad314367e075012ef9ca841a3026d1 /net/ipv6/ip6_input.c | |
| parent | 56734ee2835caaf62168c28281403b61b5826841 (diff) | |
| parent | 7a9819950f47dbf319895ee78220f2761f3687a3 (diff) | |
| download | linux-b8250dc4192c6adab0b9a713a11bf19afc462c96.tar.xz | |
Merge tag 'omap-for-v3.10/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
From Tony Lindgren <tony@atomide.com>:
Changes needed for enabling SOC_BUS for the SoC revision
information. Also enable few HW errata workarounds for omap4.
* tag 'omap-for-v3.10/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (236 commits)
ARM: OMAP4: Enable fix for Cortex-A9 erratas
ARM: OMAP2+: Export SoC information to userspace
ARM: OMAP2+: SoC name and revision unification
ARM: OMAP2+: Move common part of late init into common function
Includes an update to Linux 3.9-rc6
Conflicts:
arch/arm/mach-omap2/cclock44xx_data.c
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'net/ipv6/ip6_input.c')
| -rw-r--r-- | net/ipv6/ip6_input.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c index e33fe0ab2568..2bab2aa59745 100644 --- a/net/ipv6/ip6_input.c +++ b/net/ipv6/ip6_input.c @@ -118,6 +118,18 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt ipv6_addr_loopback(&hdr->daddr)) goto err; + /* RFC4291 Errata ID: 3480 + * Interface-Local scope spans only a single interface on a + * node and is useful only for loopback transmission of + * multicast. Packets with interface-local scope received + * from another node must be discarded. + */ + if (!(skb->pkt_type == PACKET_LOOPBACK || + dev->flags & IFF_LOOPBACK) && + ipv6_addr_is_multicast(&hdr->daddr) && + IPV6_ADDR_MC_SCOPE(&hdr->daddr) == 1) + goto err; + /* RFC4291 2.7 * Nodes must not originate a packet to a multicast address whose scope * field contains the reserved value 0; if such a packet is received, it |