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Stephen Hemminger a9b3cd7f32 rcu: convert uses of rcu_assign_pointer(x, NULL) to RCU_INIT_POINTER 
When assigning a NULL value to an RCU protected pointer, no barrier
is needed. The rcu_assign_pointer, used to handle that but will soon
change to not handle the special case.

Convert all rcu_assign_pointer of NULL value.

//smpl
@@ expression P; @@

- rcu_assign_pointer(P, NULL)
+ RCU_INIT_POINTER(P, NULL)

// </smpl>

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-08-02 04:29:23 -07:00
..
9p net/9p: Fix the msize calculation. 2011-07-23 09:32:52 -05:00
802 rcu: convert uses of rcu_assign_pointer(x, NULL) to RCU_INIT_POINTER 2011-08-02 04:29:23 -07:00
8021q rcu: convert uses of rcu_assign_pointer(x, NULL) to RCU_INIT_POINTER 2011-08-02 04:29:23 -07:00
appletalk appletalk: Reduce switch/case indent 2011-07-01 16:11:15 -07:00
atm atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
ax25
batman-adv netdevice: Kill 'feature' test macros. 2011-07-12 12:28:58 -07:00
bluetooth net: Audit drivers to identify those needing IFF_TX_SKB_SHARING cleared 2011-07-27 22:39:30 -07:00
bridge rcu: convert uses of rcu_assign_pointer(x, NULL) to RCU_INIT_POINTER 2011-08-02 04:29:23 -07:00
caif rcu: convert uses of rcu_assign_pointer(x, NULL) to RCU_INIT_POINTER 2011-08-02 04:29:23 -07:00
can rcu: convert uses of rcu_assign_pointer(x, NULL) to RCU_INIT_POINTER 2011-08-02 04:29:23 -07:00
ceph Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client 2011-07-26 13:38:50 -07:00
core rcu: convert uses of rcu_assign_pointer(x, NULL) to RCU_INIT_POINTER 2011-08-02 04:29:23 -07:00
dcb dcbnl: unlock on an error path in dcbnl_cee_fill() 2011-07-08 09:01:14 -07:00
dccp dccp ccid-2: check Ack Ratio when reducing cwnd 2011-08-01 07:52:36 -06:00
decnet rcu: convert uses of rcu_assign_pointer(x, NULL) to RCU_INIT_POINTER 2011-08-02 04:29:23 -07:00
dns_resolver
dsa DSA: Enable cascading in multi-chip 6131 configuration 2011-06-29 05:53:49 -07:00
econet af_econet: Use current logging styles and neatening 2011-07-03 20:05:16 -07:00
ethernet net: add IFF_SKB_TX_SHARED flag to priv_flags 2011-07-27 22:39:30 -07:00
ieee802154 ieee802154: free skb buffer if dev isn't running 2011-06-30 16:18:09 +04:00
ipv4 rcu: convert uses of rcu_assign_pointer(x, NULL) to RCU_INIT_POINTER 2011-08-02 04:29:23 -07:00
ipv6 rcu: convert uses of rcu_assign_pointer(x, NULL) to RCU_INIT_POINTER 2011-08-02 04:29:23 -07:00
ipx
irda Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2011-06-20 22:29:08 -07:00
iucv atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
key net: Remove casts of void * 2011-06-16 23:19:27 -04:00
l2tp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2011-07-28 05:58:19 -07:00
lapb lapb: Reduce switch/case indent 2011-07-01 16:11:16 -07:00
llc
mac80211 rcu: convert uses of rcu_assign_pointer(x, NULL) to RCU_INIT_POINTER 2011-08-02 04:29:23 -07:00
netfilter rcu: convert uses of rcu_assign_pointer(x, NULL) to RCU_INIT_POINTER 2011-08-02 04:29:23 -07:00
netlabel rcu: convert uses of rcu_assign_pointer(x, NULL) to RCU_INIT_POINTER 2011-08-02 04:29:23 -07:00
netlink Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem 2011-06-24 15:25:51 -04:00
netrom netrom: Reduce switch/case indent 2011-07-01 16:11:16 -07:00
nfc NFC: add the NFC socket raw protocol 2011-07-05 15:26:58 -04:00
packet af-packet: fix - avoid reading stale data 2011-07-14 08:36:33 -07:00
phonet rcu: convert uses of rcu_assign_pointer(x, NULL) to RCU_INIT_POINTER 2011-08-02 04:29:23 -07:00
rds notifiers: cpu: move cpu notifiers into cpu.h 2011-07-25 20:57:14 -07:00
rfkill
rose rose: Delete commented out references to ancient firewalling code. 2011-07-07 02:41:59 -07:00
rxrpc
sched net: Abstract dst->neighbour accesses behind helpers. 2011-07-17 23:11:35 -07:00
sctp Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2011-07-21 13:38:42 -07:00
sunrpc rcu: convert uses of rcu_assign_pointer(x, NULL) to RCU_INIT_POINTER 2011-08-02 04:29:23 -07:00
tipc atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
unix new helpers: kern_path_create/user_path_create 2011-07-20 01:44:05 -04:00
wanrouter
wimax
wireless wireless: fix a typo in ignore_reg_update 2011-07-26 16:27:32 -04:00
x25 x25: Reduce switch/case indent 2011-07-01 16:11:16 -07:00
xfrm rcu: convert uses of rcu_assign_pointer(x, NULL) to RCU_INIT_POINTER 2011-08-02 04:29:23 -07:00
compat.c
Kconfig NFC: add nfc subsystem core 2011-07-05 15:26:57 -04:00
Makefile NFC: add nfc subsystem core 2011-07-05 15:26:57 -04:00
nonet.c
socket.c rcu: convert uses of rcu_assign_pointer(x, NULL) to RCU_INIT_POINTER 2011-08-02 04:29:23 -07:00
sysctl_net.c