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Eric Dumazet c37ccc0d4e udp: add a missing smp_wmb() in udp_lib_get_port() 
Corey Minyard spotted a missing memory barrier in udp_lib_get_port()

We need to make sure a reader cannot read the new 'sk->sk_next' value
and previous value of 'sk->sk_hash'. Or else, an item could be deleted
from a chain, and inserted into another chain. If new chain was empty
before the move, 'next' pointer is NULL, and lockless reader can
not detect it missed following items in original chain.

This patch is temporary, since we expect an upcoming patch
to introduce another way of handling the problem.

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2008-11-01 21:19:18 -07:00
..
9p 9p: fix sparse warnings 2008-10-22 18:54:47 -05:00
802 net: convert print_mac to %pM 2008-10-27 17:06:18 -07:00
8021q vlan: propogate ethtool speed values 2008-10-28 23:02:34 -07:00
appletalk net: convert print_mac to %pM 2008-10-27 17:06:18 -07:00
atm net: replace NIPQUAD() in net/*/ 2008-10-31 00:54:56 -07:00
ax25 ax25: Quick fix for making sure unaccepted sockets get destroyed. 2008-10-06 12:53:50 -07:00
bluetooth Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-10-17 08:58:52 -07:00
bridge net: replace NIPQUAD() in net/*/ 2008-10-31 00:54:56 -07:00
can net: Remove CONFIG_KMOD from net/ (towards removing CONFIG_KMOD entirely) 2008-10-16 15:24:51 -07:00
core mac80211: Re-enable aggregation 2008-10-31 19:02:14 -04:00
dccp net: replace NIPQUAD() in net/*/ 2008-10-31 00:54:56 -07:00
decnet Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-10-17 08:58:52 -07:00
dsa dsa: fix compile bug on s390 2008-10-13 18:58:48 -07:00
econet netns: Use net_eq() to compare net-namespaces for optimization. 2008-07-19 22:34:43 -07:00
ethernet dsa: add support for Trailer tagging format 2008-10-08 17:24:16 -07:00
ieee80211 wireless: avoid some net/ieee80211.h vs. linux/ieee80211.h conflicts 2008-10-31 19:00:50 -04:00
ipv4 udp: add a missing smp_wmb() in udp_lib_get_port() 2008-11-01 21:19:18 -07:00
ipv6 xfrm6: handling fragment 2008-11-01 21:12:07 -07:00
ipx netns: Use net_eq() to compare net-namespaces for optimization. 2008-07-19 22:34:43 -07:00
irda net: convert print_mac to %pM 2008-10-27 17:06:18 -07:00
iucv iucv: Fix mismerge again. 2008-09-30 03:03:35 -07:00
key af_key: fix SADB_X_SPDDELETE response 2008-10-10 14:07:03 -07:00
lapb
…
llc net: convert print_mac to %pM 2008-10-27 17:06:18 -07:00
mac80211 mac80211: fix two kernel-doc warnings 2008-10-31 19:02:36 -04:00
netfilter net: replace NIPQUAD() in net/netfilter/ 2008-10-31 00:54:29 -07:00
netlabel net: replace NIPQUAD() in net/*/ 2008-10-31 00:54:56 -07:00
netlink netlink: constify struct nlattr * arg to parsing functions 2008-10-28 11:59:11 -07:00
netrom netrom: Fix sock_orphan() use in nr_release 2008-10-06 12:54:57 -07:00
packet net: convert BUG_TRAP to generic WARN_ON 2008-07-25 21:43:18 -07:00
phonet Phonet: do not reply to indication reset packets 2008-10-26 23:07:25 -07:00
rfkill rfkill: rate-limit rfkill-input workqueue usage (v3) 2008-10-31 19:00:10 -04:00
rose netdev: Handle ->addr_list_lock just like ->_xmit_lock for lockdep. 2008-07-22 14:16:42 -07:00
rxrpc net: replace NIPQUAD() in net/*/ 2008-10-31 00:54:56 -07:00
sched pkt_sched: Add peek emulation for non-work-conserving qdiscs. 2008-10-31 00:47:01 -07:00
sctp net: replace NIPQUAD() in net/*/ 2008-10-31 00:54:56 -07:00
sunrpc net: replace NIPQUAD() in net/*/ 2008-10-31 00:54:56 -07:00
tipc net: convert print_mac to %pM 2008-10-27 17:06:18 -07:00
unix [PATCH] assorted path_lookup() -> kern_path() conversions 2008-10-23 05:12:52 -04:00
wanrouter wanmain.c doesn't need syncppp.h 2008-07-23 23:00:36 +02:00
wireless wireless regulatory: move ignore_request 2008-10-31 19:02:32 -04:00
x25 netns: Use net_eq() to compare net-namespaces for optimization. 2008-07-19 22:34:43 -07:00
xfrm net: replace NIPQUAD() in net/*/ 2008-10-31 00:54:56 -07:00
Kconfig netns: Coexist with the sysfs limitations v2 2008-10-27 17:51:47 -07:00
Makefile net: Distributed Switch Architecture protocol support 2008-10-08 17:15:19 -07:00
TUNABLE
…
compat.c flag parameters: paccept 2008-07-24 10:47:27 -07:00
nonet.c
…
socket.c net: Remove CONFIG_KMOD from net/ (towards removing CONFIG_KMOD entirely) 2008-10-16 15:24:51 -07:00
sysctl_net.c missing bits of net-namespace / sysctl 2008-07-27 09:45:34 -07:00