Alexander Holler 6407d74c51 bridge: provide a cow_metrics method for fake_ops ... Like in commit 0972ddb237 (provide cow_metrics() methods to blackhole dst_ops), we must provide a cow_metrics for bridges fake_dst_ops as well. This fixes a regression coming from commits 62fa8a846d (net: Implement read-only protection and COW'ing of metrics.) and 33eb9873a2 (bridge: initialize fake_rtable metrics) ip link set mybridge mtu 1234 --> [ 136.546243] Pid: 8415, comm: ip Tainted: P 2.6.39.1-00006-g40545b7 #103 ASUSTeK Computer Inc. V1Sn /V1Sn [ 136.546256] EIP: 0060:[<00000000>] EFLAGS: 00010202 CPU: 0 [ 136.546268] EIP is at 0x0 [ 136.546273] EAX: f14a389c EBX: 000005d4 ECX: f80d32c0 EDX: f80d1da1 [ 136.546279] ESI: f14a3000 EDI: f255bf10 EBP: f15c3b54 ESP: f15c3b48 [ 136.546285] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 [ 136.546293] Process ip (pid: 8415, ti=f15c2000 task=f4741f80 task.ti=f15c2000) [ 136.546297] Stack: [ 136.546301] f80c658f f14a3000 ffffffed f15c3b64 c12cb9c8 f80d1b80 ffffffa1 f15c3bbc [ 136.546315] c12da347 c12d9c7d 00000000 f7670b00 00000000 f80d1b80 ffffffa6 f15c3be4 [ 136.546329] 00000004 f14a3000 f255bf20 00000008 f15c3bbc c11d6cae 00000000 00000000 [ 136.546343] Call Trace: [ 136.546359] [<f80c658f>] ? br_change_mtu+0x5f/0x80 [bridge] [ 136.546372] [<c12cb9c8>] dev_set_mtu+0x38/0x80 [ 136.546381] [<c12da347>] do_setlink+0x1a7/0x860 [ 136.546390] [<c12d9c7d>] ? rtnl_fill_ifinfo+0x9bd/0xc70 [ 136.546400] [<c11d6cae>] ? nla_parse+0x6e/0xb0 [ 136.546409] [<c12db931>] rtnl_newlink+0x361/0x510 [ 136.546420] [<c1023240>] ? vmalloc_sync_all+0x100/0x100 [ 136.546429] [<c1362762>] ? error_code+0x5a/0x60 [ 136.546438] [<c12db5d0>] ? rtnl_configure_link+0x80/0x80 [ 136.546446] [<c12db27a>] rtnetlink_rcv_msg+0xfa/0x210 [ 136.546454] [<c12db180>] ? __rtnl_unlock+0x20/0x20 [ 136.546463] [<c12ee0fe>] netlink_rcv_skb+0x8e/0xb0 [ 136.546471] [<c12daf1c>] rtnetlink_rcv+0x1c/0x30 [ 136.546479] [<c12edafa>] netlink_unicast+0x23a/0x280 [ 136.546487] [<c12ede6b>] netlink_sendmsg+0x26b/0x2f0 [ 136.546497] [<c12bb828>] sock_sendmsg+0xc8/0x100 [ 136.546508] [<c10adf61>] ? __alloc_pages_nodemask+0xe1/0x750 [ 136.546517] [<c11d0602>] ? _copy_from_user+0x42/0x60 [ 136.546525] [<c12c5e4c>] ? verify_iovec+0x4c/0xc0 [ 136.546534] [<c12bd805>] sys_sendmsg+0x1c5/0x200 [ 136.546542] [<c10c2150>] ? __do_fault+0x310/0x410 [ 136.546549] [<c10c2c46>] ? do_wp_page+0x1d6/0x6b0 [ 136.546557] [<c10c47d1>] ? handle_pte_fault+0xe1/0x720 [ 136.546565] [<c12bd1af>] ? sys_getsockname+0x7f/0x90 [ 136.546574] [<c10c4ec1>] ? handle_mm_fault+0xb1/0x180 [ 136.546582] [<c1023240>] ? vmalloc_sync_all+0x100/0x100 [ 136.546589] [<c10233b3>] ? do_page_fault+0x173/0x3d0 [ 136.546596] [<c12bd87b>] ? sys_recvmsg+0x3b/0x60 [ 136.546605] [<c12bdd83>] sys_socketcall+0x293/0x2d0 [ 136.546614] [<c13629d0>] sysenter_do_call+0x12/0x26 [ 136.546619] Code: Bad EIP value. [ 136.546627] EIP: [<00000000>] 0x0 SS:ESP 0068:f15c3b48 [ 136.546645] CR2: 0000000000000000 [ 136.546652] ---[ end trace 6909b560e78934fa ]--- Signed-off-by: Alexander Holler <holler@ahsoftware.de> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2011-06-07 00:51:35 -07:00
..
netfilter	netfilter: Fix several warnings in compat_mtw_from_user().	2011-05-26 19:09:07 +02:00
Kconfig	net: bridge builtin vs. ipv6 modular	2011-03-10 13:45:57 -08:00
Makefile	bridge: Add core IGMP snooping support	2010-02-28 00:48:45 -08:00
br.c	bridge: allow creating bridge devices with netlink	2011-04-04 17:22:28 -07:00
br_device.c	bridge: convert br_features_recompute() to ndo_fix_features	2011-04-28 13:33:08 -07:00
br_fdb.c	Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6	2011-04-11 13:44:25 -07:00
br_forward.c	net: bridge: check the length of skb after nf_bridge_maybe_copy_header()	2011-01-06 11:33:05 -08:00
br_if.c	net: remove synchronize_net() from netdev_set_master()	2011-05-22 21:01:20 -04:00
br_input.c	Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6	2011-04-26 12:16:46 -07:00
br_ioctl.c	Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6	2011-04-11 13:44:25 -07:00
br_multicast.c	inet: constify ip headers and in6_addr	2011-04-22 11:04:14 -07:00
br_netfilter.c	bridge: provide a cow_metrics method for fake_ops	2011-06-07 00:51:35 -07:00
br_netlink.c	net: dont hold rtnl mutex during netlink dump callbacks	2011-05-02 15:26:28 -07:00
br_notify.c	bridge: convert br_features_recompute() to ndo_fix_features	2011-04-28 13:33:08 -07:00
br_private.h	bridge: convert br_features_recompute() to ndo_fix_features	2011-04-28 13:33:08 -07:00
br_private_stp.h	bridge: range check STP parameters	2011-04-04 17:22:29 -07:00
br_stp.c	bridge: range check STP parameters	2011-04-04 17:22:29 -07:00
br_stp_bpdu.c	Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6	2011-01-04 11:57:25 -08:00
br_stp_if.c	bridge: range check STP parameters	2011-04-04 17:22:29 -07:00
br_stp_timer.c	bridge: control carrier based on ports online	2011-03-14 14:29:02 -07:00
br_sysfs_br.c	bridge: range check STP parameters	2011-04-04 17:22:29 -07:00
br_sysfs_if.c	bridge: range check STP parameters	2011-04-04 17:22:29 -07:00