linux-next: build failure after merge of the net-next tree

Stephen Rothwell
2021-05-14T03:41:00Z

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Hi all,

After merging the net-next tree, today's linux-next build (powerpc
pseries_le_defconfig) failed like this:

net/bridge/br_multicast.c: In function '__br_multicast_enable_port':
net/bridge/br_multicast.c:1743:3: error: implicit declaration of function 'br_ip6_multicast_add_router'; did you mean 'br_ip4_multicast_add_router'? [-Werror=implicit-function-declaration]
1743 | br_ip6_multicast_add_router(br, port);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
| br_ip4_multicast_add_router
net/bridge/br_multicast.c: At top level:
net/bridge/br_multicast.c:2804:13: warning: conflicting types for 'br_ip6_multicast_add_router'
2804 | static void br_ip6_multicast_add_router(struct net_bridge *br,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
net/bridge/br_multicast.c:2804:13: error: static declaration of 'br_ip6_multicast_add_router' follows non-static declaration
net/bridge/br_multicast.c:1743:3: note: previous implicit declaration of 'br_ip6_multicast_add_router' was here
1743 | br_ip6_multicast_add_router(br, port);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~

Caused by commit

a3c02e769efe ("net: bridge: mcast: split multicast router state for IPv4 and IPv6")

# CONFIG_IPV6 is not set

I have reverted that commit for today (along with commit

3b85f9ba3480 ("net: bridge: mcast: export multicast router presence adjacent to a port")

in case it depends on a3c02e769efe).

--
Cheers,
Stephen Rothwell

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