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Eric W. Biederman d90a909e1f net: Fix userspace RTM_NEWLINK notifications. 
I received some bug reports about userspace programs having problems
because after RTM_NEWLINK was received they could not immediate access
files under /proc/sys/net/ because they had not been registered yet.

The original problem was trivially fixed by moving the userspace
notification from rtnetlink_event() to the end of
register_netdevice().

When testing that change I discovered I was still getting RTM_NEWLINK
events before I could access proc and I was also getting RTM_NEWLINK
events after I was seeing RTM_DELLINK.  Things practically guaranteed
to confuse userspace.

After a little more investigation these extra notifications proved to
be from the new notifiers NETDEV_POST_INIT and NETDEV_UNREGISTER_BATCH
hitting the default case in rtnetlink_event, and triggering
unnecessary RTM_NEWLINK messages.

rtnetlink_event now explicitly handles NETDEV_UNREGISTER_BATCH and
NETDEV_POST_INIT to avoid sending the incorrect userspace
notifications.

Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-12-13 19:45:22 -08:00
..
9p net: Move && and || to end of previous line 2009-11-29 16:55:45 -08:00
802 sysctl net: Remove unused binary sysctl code 2009-11-12 02:05:06 -08:00
8021q netdevice: provide common routine for macvlan and vlan operstate management 2009-12-03 15:59:22 -08:00
appletalk Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2009-12-08 07:55:01 -08:00
atm atm: [br2684] allow routed mode operation again 2009-12-08 20:22:31 -08:00
ax25 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2009-12-08 07:55:01 -08:00
bluetooth Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-12-09 19:43:33 -08:00
bridge Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2009-12-08 07:55:01 -08:00
can net: Move && and || to end of previous line 2009-11-29 16:55:45 -08:00
core net: Fix userspace RTM_NEWLINK notifications. 2009-12-13 19:45:22 -08:00
dcb net: Move && and || to end of previous line 2009-11-29 16:55:45 -08:00
dccp tcp: Fix a connect() race with timewait sockets 2009-12-08 20:17:51 -08:00
decnet Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2009-12-08 07:55:01 -08:00
dsa netdev: convert pseudo-devices to netdev_tx_t 2009-09-01 01:13:07 -07:00
econet net: use net_eq to compare nets 2009-11-25 15:14:13 -08:00
ethernet remove deprecated and not used: print_mac() 2009-11-15 22:21:34 -08:00
ieee802154 net: use net_eq to compare nets 2009-11-25 15:14:13 -08:00
ipv4 udp: udp_lib_get_port() fix 2009-12-13 19:32:39 -08:00
ipv6 tcp: Fix a connect() race with timewait sockets 2009-12-08 20:17:51 -08:00
ipx Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2009-12-08 07:55:01 -08:00
irda Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-12-09 19:43:33 -08:00
iucv iucv: add work_queue cleanup for suspend 2009-11-13 20:46:58 -08:00
key xfrm: Fix truncation length of authentication algorithms installed via PF_KEY 2009-12-11 15:07:57 -08:00
lapb net: remove NET_RX_BAD and NET_RX_CN* defines 2009-07-05 19:15:35 -07:00
llc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2009-12-08 07:55:01 -08:00
mac80211 Merge branch 'master' of /home/davem/src/GIT/linux-2.6/ 2009-12-11 17:12:17 -08:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2009-12-08 07:55:01 -08:00
netlabel Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-12-09 19:43:33 -08:00
netlink net: use net_eq to compare nets 2009-11-25 15:14:13 -08:00
netrom Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2009-12-08 07:55:01 -08:00
packet net: Move && and || to end of previous line 2009-11-29 16:55:45 -08:00
phonet Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2009-12-08 07:55:01 -08:00
rds Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2009-12-08 07:55:01 -08:00
rfkill net/rfkill/core.c: work around gcc-4.0.2 silliness 2009-12-07 16:51:23 -05:00
rose Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2009-12-08 07:55:01 -08:00
rxrpc net: use net_eq to compare nets 2009-11-25 15:14:13 -08:00
sched Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-12-09 19:43:33 -08:00
sctp Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-12-09 19:43:33 -08:00
sunrpc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-12-09 19:43:33 -08:00
tipc net: Move && and || to end of previous line 2009-11-29 16:55:45 -08:00
unix Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2009-12-08 07:55:01 -08:00
wanrouter headers: smp_lock.h redux 2009-07-12 12:22:34 -07:00
wimax Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-12-09 19:43:33 -08:00
wireless wireless: update old static regulatory domain rules 2009-12-10 16:21:51 -05:00
x25 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2009-12-08 07:55:01 -08:00
xfrm Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2009-12-08 07:55:01 -08:00
compat.c net: use compat helper functions in compat_sys_recvmmsg 2009-12-11 15:07:57 -08:00
Kconfig net/compat/wext: send different messages to compat tasks 2009-07-15 08:53:39 -07:00
Makefile net: remove redundant sched/ in net/Makefile 2009-07-12 20:11:14 -07:00
nonet.c
socket.c net: compat_mmsghdr must be used in sys_recvmmsg 2009-12-02 01:23:23 -08:00
sysctl_net.c net: sysctl_net - use net_eq to compare nets 2009-03-16 16:23:30 +01:00
TUNABLE