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netfilter: bridge: build br_nf_core only if required

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Eric reports build failure with
CONFIG_BRIDGE_NETFILTER=n

We insist to build br_nf_core.o unconditionally, but we must only do so
if br_netfilter was enabled, else it fails to build due to
functions being defined to empty stubs (and some structure members
being defined out).

Also, BRIDGE_NETFILTER=y|m makes no sense when BRIDGE=n.

Fixes: 34666d467 (netfilter: bridge: move br_netfilter out of the core)
Reported-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Westphal 2014-09-30 10:59:18 +02:00 committed by David S. Miller
parent 213d61386e
commit 57f5877c11
2 changed files with 4 additions and 3 deletions
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2
net/Kconfig
View File

@ -177,7 +177,7 @@ config NETFILTER_ADVANCED
config BRIDGE_NETFILTER
tristate "Bridged IP/ARP packets filtering"
depends on (BRIDGE || BRIDGE=n)
depends on BRIDGE
depends on NETFILTER && INET
depends on NETFILTER_ADVANCED
default m

5
net/bridge/Makefile
View File

@ -6,11 +6,12 @@ obj-$(CONFIG_BRIDGE) += bridge.o
bridge-y := br.o br_device.o br_fdb.o br_forward.o br_if.o br_input.o \
br_ioctl.o br_stp.o br_stp_bpdu.o \
br_stp_if.o br_stp_timer.o br_netlink.o \
br_nf_core.o
br_stp_if.o br_stp_timer.o br_netlink.o
bridge-$(CONFIG_SYSFS) += br_sysfs_if.o br_sysfs_br.o
bridge-$(subst m,y,$(CONFIG_BRIDGE_NETFILTER)) += br_nf_core.o
obj-$(CONFIG_BRIDGE_NETFILTER) += br_netfilter.o
bridge-$(CONFIG_BRIDGE_IGMP_SNOOPING) += br_multicast.o br_mdb.o