Andrey Yurovsky 59615b5f9d mac80211: fix allocation in mesh_queue_preq ... We allocate a PREQ queue node in mesh_queue_preq, however the allocation may cause us to sleep. Use GFP_ATOMIC to prevent this. [ 1869.126498] BUG: scheduling while atomic: ping/1859/0x10000100 [ 1869.127164] Modules linked in: ath5k mac80211 ath [ 1869.128310] Pid: 1859, comm: ping Not tainted 2.6.30-wl #1 [ 1869.128754] Call Trace: [ 1869.129293] [<c1023a2b>] __schedule_bug+0x48/0x4d [ 1869.129866] [<c13b5533>] __schedule+0x77/0x67a [ 1869.130544] [<c1026f2e>] ? release_console_sem+0x17d/0x185 [ 1869.131568] [<c807cf47>] ? mesh_queue_preq+0x2b/0x165 [mac80211] [ 1869.132318] [<c13b5b3e>] schedule+0x8/0x1f [ 1869.132807] [<c1023c12>] __cond_resched+0x16/0x2f [ 1869.133478] [<c13b5bf0>] _cond_resched+0x27/0x32 [ 1869.134191] [<c108a370>] kmem_cache_alloc+0x1c/0xcf [ 1869.134714] [<c10273ae>] ? printk+0x15/0x17 [ 1869.135670] [<c807cf47>] mesh_queue_preq+0x2b/0x165 [mac80211] [ 1869.136731] [<c807d1f8>] mesh_nexthop_lookup+0xee/0x12d [mac80211] [ 1869.138130] [<c807417e>] ieee80211_xmit+0xe6/0x2b2 [mac80211] [ 1869.138935] [<c80be46d>] ? ath5k_hw_setup_rx_desc+0x0/0x66 [ath5k] [ 1869.139831] [<c80c97bc>] ? ath5k_tasklet_rx+0xba/0x506 [ath5k] [ 1869.140863] [<c8075191>] ieee80211_subif_start_xmit+0x6c9/0x6e4 [mac80211] [ 1869.141665] [<c105cf1c>] ? handle_level_irq+0x78/0x9d [ 1869.142390] [<c12e3f93>] dev_hard_start_xmit+0x168/0x1c7 [ 1869.143092] [<c12f1f17>] __qdisc_run+0xe1/0x1b7 [ 1869.143612] [<c12e25ff>] qdisc_run+0x18/0x1a [ 1869.144248] [<c12e62f4>] dev_queue_xmit+0x16a/0x25a [ 1869.144785] [<c13b6dcc>] ? _read_unlock_bh+0xe/0x10 [ 1869.145465] [<c12eacdb>] neigh_resolve_output+0x19c/0x1c7 [ 1869.146182] [<c130e2da>] ? ip_finish_output+0x0/0x51 [ 1869.146697] [<c130e2a0>] ip_finish_output2+0x182/0x1bc [ 1869.147358] [<c130e327>] ip_finish_output+0x4d/0x51 [ 1869.147863] [<c130e9d5>] ip_output+0x80/0x85 [ 1869.148515] [<c130cc49>] dst_output+0x9/0xb [ 1869.149141] [<c130dec6>] ip_local_out+0x17/0x1a [ 1869.149632] [<c130e0bc>] ip_push_pending_frames+0x1f3/0x255 [ 1869.150343] [<c13247ff>] raw_sendmsg+0x5e6/0x667 [ 1869.150883] [<c1033c55>] ? insert_work+0x6a/0x73 [ 1869.151834] [<c8071e00>] ? ieee80211_invoke_rx_handlers+0x17da/0x1ae8 [mac80211] [ 1869.152630] [<c132bd68>] inet_sendmsg+0x3b/0x48 [ 1869.153232] [<c12d7deb>] __sock_sendmsg+0x45/0x4e [ 1869.153740] [<c12d8537>] sock_sendmsg+0xb8/0xce [ 1869.154519] [<c80be46d>] ? ath5k_hw_setup_rx_desc+0x0/0x66 [ath5k] [ 1869.155289] [<c1036b25>] ? autoremove_wake_function+0x0/0x30 [ 1869.155859] [<c115992b>] ? __copy_from_user_ll+0x11/0xce [ 1869.156573] [<c1159d99>] ? copy_from_user+0x31/0x54 [ 1869.157235] [<c12df646>] ? verify_iovec+0x40/0x6e [ 1869.157778] [<c12d869a>] sys_sendmsg+0x14d/0x1a5 [ 1869.158714] [<c8072c40>] ? __ieee80211_rx+0x49e/0x4ee [mac80211] [ 1869.159641] [<c80c83fe>] ? ath5k_rxbuf_setup+0x6d/0x8d [ath5k] [ 1869.160543] [<c80be46d>] ? ath5k_hw_setup_rx_desc+0x0/0x66 [ath5k] [ 1869.161434] [<c80beba4>] ? ath5k_hw_get_rxdp+0xe/0x10 [ath5k] [ 1869.162319] [<c80c97bc>] ? ath5k_tasklet_rx+0xba/0x506 [ath5k] [ 1869.163063] [<c1005627>] ? enable_8259A_irq+0x40/0x43 [ 1869.163594] [<c101edb8>] ? __dequeue_entity+0x23/0x27 [ 1869.164793] [<c100187a>] ? __switch_to+0x2b/0x105 [ 1869.165442] [<c1021d5f>] ? finish_task_switch+0x5b/0x74 [ 1869.166129] [<c12d963a>] sys_socketcall+0x14b/0x17b [ 1869.166612] [<c1002b95>] syscall_call+0x7/0xb Signed-off-by: Andrey Yurovsky <andrey@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>		2009-07-07 12:55:27 -04:00
..
aes_ccm.c	mac80211: aes_ccm.c remove crypto wrapper and extra args	2008-07-08 14:16:02 -04:00
aes_ccm.h	mac80211: pass scratch buffer directly, remove additional pointers	2008-07-08 14:16:02 -04:00
aes_cmac.c	mac80211: 802.11w - Add BIP (AES-128-CMAC)	2009-01-29 16:00:02 -05:00
aes_cmac.h	mac80211: 802.11w - Add BIP (AES-128-CMAC)	2009-01-29 16:00:02 -05:00
agg-rx.c	mac80211: Add a timeout for frames in the RX reorder buffer	2009-05-06 15:15:04 -04:00
agg-tx.c	mac80211: Fix the way ADDBA request count being modified	2009-06-10 13:28:38 -04:00
cfg.c	mac80211: don't use master netdev name	2009-06-10 13:28:39 -04:00
cfg.h	[MAC80211]: rename ieee80211_cfg.h to cfg.h	2007-10-10 16:52:34 -07:00
debugfs_key.c	mac80211: 802.11w - Use BIP (AES-128-CMAC)	2009-01-29 16:00:03 -05:00
debugfs_key.h	mac80211: 802.11w - Use BIP (AES-128-CMAC)	2009-01-29 16:00:03 -05:00
debugfs_netdev.c	mac80211: split IBSS/managed code	2009-02-27 14:51:42 -05:00
debugfs_netdev.h	mac80211: revamp virtual interface handling	2008-07-14 14:30:07 -04:00
debugfs_sta.c	mac80211: 802.11w - STA flag for MFP	2009-01-29 16:00:00 -05:00
debugfs_sta.h	mac80211: RCU-ify STA info structure access	2008-03-06 15:30:46 -05:00
debugfs.c	mac80211: add queue debugfs file	2009-06-15 15:05:57 -04:00
debugfs.h
driver-ops.h	cfg80211: add rfkill support	2009-06-03 14:06:14 -04:00
event.c	nl80211: Add Michael MIC failure event	2009-04-22 16:54:28 -04:00
ht.c	cfg80211: clean up includes	2009-04-22 16:57:17 -04:00
ibss.c	mac80211: fix parameter confusion when finding IBSS	2009-05-20 14:46:36 -04:00
ieee80211_i.h	mac80211: disconnect when user changes channel	2009-06-15 15:05:58 -04:00
iface.c	cfg80211: add rfkill support	2009-06-03 14:06:14 -04:00
Kconfig	cfg80211: fix Kconfig for users of cfg80211	2009-06-03 14:09:08 -04:00
key.c	nl80211: Validate NL80211_ATTR_KEY_SEQ length	2009-05-20 14:46:25 -04:00
key.h	nl80211: Add RSC configuration for new keys	2009-05-13 15:44:39 -04:00
led.c	mac80211: rename files	2008-04-08 16:44:45 -04:00
led.h	mac80211: rename files	2008-04-08 16:44:45 -04:00
main.c	mac80211: do not pass PS frames out of mac80211 again	2009-06-10 13:28:37 -04:00
Makefile	mac80211: split IBSS/managed code	2009-02-27 14:51:42 -05:00
mesh_hwmp.c	mac80211: fix allocation in mesh_queue_preq	2009-07-07 12:55:27 -04:00
mesh_pathtbl.c	mac80211: mesh portal functionality support	2008-09-24 16:18:02 -04:00
mesh_plink.c	mac80211: cancel/restart all timers across suspend/resume	2009-05-20 14:46:25 -04:00
mesh.c	mac80211: Use rcu_barrier() on unload.	2009-06-26 13:51:36 -07:00
mesh.h	wireless: move some utility functions from mac80211 to cfg80211	2009-05-22 14:06:02 -04:00
michael.c	mac80211: remove ieee80211_get_hdr_info	2008-07-08 14:16:01 -04:00
michael.h	mac80211: remove ieee80211_get_hdr_info	2008-07-08 14:16:01 -04:00
mlme.c	mac80211: fix wext bssid/ssid setting	2009-06-15 15:05:59 -04:00
pm.c	mac80211: cancel/restart all timers across suspend/resume	2009-05-20 14:46:25 -04:00
rate.c	mac80211: rate control status only for controlled packets	2009-03-27 20:13:15 -04:00
rate.h	mac80211: rate control status only for controlled packets	2009-03-27 20:13:15 -04:00
rc80211_minstrel_debugfs.c	mac80211: correct warnings in minstrel rate control algorithm	2008-10-27 17:46:11 -04:00
rc80211_minstrel.c	mac80211: fix minstrel single-rate memory corruption	2009-06-10 13:27:51 -04:00
rc80211_minstrel.h	minstrel: improve performance for non-MRR drivers	2008-10-31 19:00:36 -04:00
rc80211_pid_algo.c	Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6	2009-05-18 21:08:20 -07:00
rc80211_pid_debugfs.c	mac80211/drivers: rewrite the rate control API	2008-10-31 19:00:23 -04:00
rc80211_pid.h	mac80211/drivers: rewrite the rate control API	2008-10-31 19:00:23 -04:00
rx.c	mac80211: do not pass PS frames out of mac80211 again	2009-06-10 13:28:37 -04:00
scan.c	mac80211: cancel/restart all timers across suspend/resume	2009-05-20 14:46:25 -04:00
spectmgmt.c	mac80211: move channel switch code	2009-05-20 14:46:25 -04:00
sta_info.c	mac80211: extend sta kdoc - explain when they are added	2009-06-03 14:06:15 -04:00
sta_info.h	mac80211: fix kernel-doc	2009-05-20 14:46:32 -04:00
tkip.c	mac80211: add driver ops wrappers	2009-05-06 15:14:37 -04:00
tkip.h	mac80211: tkip.c consolidate tkip IV writing in helper	2008-06-14 12:18:13 -04:00
tx.c	net: use symbolic values for ndo_start_xmit() return codes	2009-06-13 01:18:50 -07:00
util.c	mac80211: disconnect when user changes channel	2009-06-15 15:05:58 -04:00
wep.c	mac80211: rewrite fragmentation	2009-03-27 20:13:21 -04:00
wep.h	mac80211: minor code cleanups	2008-10-31 18:05:59 -04:00
wext.c	mac80211: disconnect when user changes channel	2009-06-15 15:05:58 -04:00
wme.c	mac80211: do not pass PS frames out of mac80211 again	2009-06-10 13:28:37 -04:00
wme.h	mac80211: fix aggregation for hardware with ampdu queues	2009-02-27 14:51:42 -05:00
wpa.c	nl80211: Add Michael MIC failure event	2009-04-22 16:54:28 -04:00
wpa.h	mac80211: 802.11w - Add BIP (AES-128-CMAC)	2009-01-29 16:00:02 -05:00