linux-kernel - linux-next: build failure after merge of the final tree (net tree related)

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Message-Id: <20101115114651.8e6bad6c.sfr@canb.auug.org.au>
Date:	Mon, 15 Nov 2010 11:46:51 +1100
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	David Miller <davem@...emloft.net>, <netdev@...r.kernel.org>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Eric Dumazet <eric.dumazet@...il.com>
Subject: linux-next: build failure after merge of the final tree (net tree
 related)

Hi Dave,

After merging the final tree, today's linux-next build (powerpc
ppc44x_defconfig) failed like this:

net/ipv4/igmp.c: In function 'ip_mc_inc_group':
net/ipv4/igmp.c:1228: error: implicit declaration of function 'for_each_pmc_rtnl'
net/ipv4/igmp.c:1228: error: expected ';' before '{' token
net/ipv4/igmp.c: In function 'ip_mc_unmap':
net/ipv4/igmp.c:1333: error: expected ';' before 'igmp_group_dropped'
net/ipv4/igmp.c: In function 'ip_mc_remap':
net/ipv4/igmp.c:1343: error: expected ';' before 'igmp_group_added'
net/ipv4/igmp.c: In function 'ip_mc_down':
net/ipv4/igmp.c:1355: error: expected ';' before 'igmp_group_dropped'
net/ipv4/igmp.c: In function 'ip_mc_up':
net/ipv4/igmp.c:1400: error: expected ';' before 'igmp_group_added'
net/ipv4/igmp.c: In function 'ip_mc_del_src':
net/ipv4/igmp.c:1521: error: implicit declaration of function 'for_each_pmc_rcu'
net/ipv4/igmp.c:1521: error: expected ';' before '{' token
net/ipv4/igmp.c: In function 'ip_mc_add_src':
net/ipv4/igmp.c:1693: error: expected ';' before '{' token
net/ipv4/igmp.c: In function 'ip_mc_join_group':
net/ipv4/igmp.c:1800: error: expected ';' before '{' token
net/ipv4/igmp.c: In function 'ip_mc_source':
net/ipv4/igmp.c:1938: error: expected ';' before '{' token
net/ipv4/igmp.c: In function 'ip_mc_msfilter':
net/ipv4/igmp.c:2081: error: expected ';' before '{' token
net/ipv4/igmp.c: In function 'ip_mc_msfget':
net/ipv4/igmp.c:2159: error: expected ';' before '{' token
net/ipv4/igmp.c: In function 'ip_mc_gsfget':
net/ipv4/igmp.c:2212: error: expected ';' before '{' token
net/ipv4/igmp.c:2240: warning: label 'done' defined but not used
net/ipv4/igmp.c: In function 'ip_mc_sf_allow':
net/ipv4/igmp.c:2261: error: expected ';' before '{' token
net/ipv4/igmp.c: In function 'ip_check_mc':
net/ipv4/igmp.c:2326: error: expected ';' before '{' token
net/ipv4/igmp.c:2322: warning: unused variable 'psf'

Caused by commit 1d7138de878d1d4210727c1200193e69596f93b3 ("igmp: RCU
conversion of in_dev->mc_list").  The for_each_pmc_rtnl and
for_each_pmc_rcu definitions are protected by  CONFIG_IP_MULTICAST, but
the uses are not ...

I have reverted that commit for today.

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/

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