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authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-17 23:53:52 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-17 23:53:52 -0400
commitf205ce83a766c08965ec78342f138cdc00631fba (patch)
tree7a9d2db6c16594ef7c730ca93a87131cf0abca41 /net/ieee802154/netlink.c
parent3dc95666df0e1ae5b7381a8ec97a583bb3ce4306 (diff)
parentb31c50a7f9e93a61d14740dedcbbf2c376998bc7 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (66 commits) be2net: fix some cmds to use mccq instead of mbox atl1e: fix 2.6.31-git4 -- ATL1E 0000:03:00.0: DMA-API: device driver frees DMA pkt_sched: Fix qstats.qlen updating in dump_stats ipv6: Log the affected address when DAD failure occurs wl12xx: Fix print_mac() conversion. af_iucv: fix race when queueing skbs on the backlog queue af_iucv: do not call iucv_sock_kill() twice af_iucv: handle non-accepted sockets after resuming from suspend af_iucv: fix race in __iucv_sock_wait() iucv: use correct output register in iucv_query_maxconn() iucv: fix iucv_buffer_cpumask check when calling IUCV functions iucv: suspend/resume error msg for left over pathes wl12xx: switch to %pM to print the mac address b44: the poll handler b44_poll must not enable IRQ unconditionally ipv6: Ignore route option with ROUTER_PREF_INVALID bonding: make ab_arp select active slaves as other modes cfg80211: fix SME connect rc80211_minstrel: fix contention window calculation ssb/sdio: fix printk format warnings p54usb: add Zcomax XG-705A usbid ...
Diffstat (limited to 'net/ieee802154/netlink.c')
-rw-r--r--net/ieee802154/netlink.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/ieee802154/netlink.c b/net/ieee802154/netlink.c
index 2106ecbf030..ca767bde17a 100644
--- a/net/ieee802154/netlink.c
+++ b/net/ieee802154/netlink.c
@@ -35,6 +35,7 @@
35#include <net/ieee802154_netdev.h> 35#include <net/ieee802154_netdev.h>
36 36
37static unsigned int ieee802154_seq_num; 37static unsigned int ieee802154_seq_num;
38static DEFINE_SPINLOCK(ieee802154_seq_lock);
38 39
39static struct genl_family ieee802154_coordinator_family = { 40static struct genl_family ieee802154_coordinator_family = {
40 .id = GENL_ID_GENERATE, 41 .id = GENL_ID_GENERATE,
@@ -57,12 +58,15 @@ static struct sk_buff *ieee802154_nl_create(int flags, u8 req)
57{ 58{
58 void *hdr; 59 void *hdr;
59 struct sk_buff *msg = nlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC); 60 struct sk_buff *msg = nlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC);
61 unsigned long f;
60 62
61 if (!msg) 63 if (!msg)
62 return NULL; 64 return NULL;
63 65
66 spin_lock_irqsave(&ieee802154_seq_lock, f);
64 hdr = genlmsg_put(msg, 0, ieee802154_seq_num++, 67 hdr = genlmsg_put(msg, 0, ieee802154_seq_num++,
65 &ieee802154_coordinator_family, flags, req); 68 &ieee802154_coordinator_family, flags, req);
69 spin_unlock_irqrestore(&ieee802154_seq_lock, f);
66 if (!hdr) { 70 if (!hdr) {
67 nlmsg_free(msg); 71 nlmsg_free(msg);
68 return NULL; 72 return NULL;