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48e81a15fa
linux/drivers/net
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Vladimir Kondratiev 48e81a15fa wil6210: cfg80211_rx_mgmt to use GFP_ATOMIC 
Internally, cfg80211_rx_mgmt() takes lock:
spin_lock_bh(&wdev->mgmt_registrations_lock);

and therefore one can't use it with GFP_KERNEL allocation flags.
When called with GFP_KERNEL, "sleep while atomic" warning triggered:

<3>[242645.446224] BUG: sleeping function called from invalid context at kernel/mm/slub.c:926
<3>[242645.455516] in_atomic(): 1, irqs_disabled(): 0, pid: 18881, name: kworker/u16:0
<6>[242645.462868] CPU: 0 PID: 18881 Comm: kworker/u16:0 Tainted: G           O 3.10.40-g619a884-00001-g357fa9c #2
<6>[242645.463044] Workqueue: wil6210_wmi wmi_event_worker [wil6210]
<6>[242645.463087] Call trace:
<6>[242645.463157] [<ffffffc000087390>] dump_backtrace+0x0/0x144
<6>[242645.463205] [<ffffffc0000874e4>] show_stack+0x10/0x1c
<6>[242645.463259] [<ffffffc0009abc04>] dump_stack+0x1c/0x28
<6>[242645.463313] [<ffffffc0000c10c0>] __might_sleep+0xe0/0xf0
<6>[242645.463365] [<ffffffc00015a514>] kmem_cache_alloc+0x48/0x1e4
<6>[242645.463414] [<ffffffc00080d468>] __alloc_skb+0x48/0x164
<6>[242645.463466] [<ffffffc00097f2c4>] nl80211_send_mgmt+0x4c/0x1dc
<6>[242645.463511] [<ffffffc000980268>] cfg80211_rx_mgmt+0x1bc/0x25c
<6>[242645.463647] [<ffffffbffc005d64>] wmi_evt_rx_mgmt+0x21c/0x23c [wil6210]
<6>[242645.463783] [<ffffffbffc0073b8>] wmi_event_worker+0x230/0x2f8 [wil6210]
<6>[242645.463838] [<ffffffc0000afffc>] process_one_work+0x258/0x3d0
<6>[242645.463887] [<ffffffc0000b0fe0>] worker_thread+0x1f0/0x310
<6>[242645.463946] [<ffffffc0000b642c>] kthread+0xac/0xb8

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-25 16:17:38 -04:00
..
appletalk
arcnet PCI changes for the v3.17 merge window (part 2): 2014-08-14 18:10:33 -06:00
bonding Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-08-05 18:46:26 -07:00
caif net: set name_assign_type in alloc_netdev() 2014-07-15 16:12:48 -07:00
can can: flexcan: handle state passive -> warning transition 2014-08-21 10:50:00 +02:00
cris eth_v10: remove unnecessary break after return 2014-07-20 21:29:49 -07:00
dsa
ethernet net: ethernet: broadcom: bnx2x: Remove redundant #ifdef 2014-08-22 11:29:58 -07:00
fddi PCI: Remove DEFINE_PCI_DEVICE_TABLE macro use 2014-08-12 12:15:14 -06:00
hamradio net: set name_assign_type in alloc_netdev() 2014-07-15 16:12:48 -07:00
hippi PCI: Remove DEFINE_PCI_DEVICE_TABLE macro use 2014-08-12 12:15:14 -06:00
hyperv hyperv: Adjust the size of sendbuf region to support ws2008r2 2014-08-06 13:52:07 -07:00
ieee802154 net: set name_assign_type in alloc_netdev() 2014-07-15 16:12:48 -07:00
irda PCI changes for the v3.17 merge window (part 2): 2014-08-14 18:10:33 -06:00
phy net: phy: smsc: move smsc_phy_config_init reset part in a soft_reset function 2014-08-16 20:15:54 -07:00
plip
ppp net: filter: split 'struct sk_filter' into socket and bpf parts 2014-08-02 15:03:58 -07:00
slip net: set name_assign_type in alloc_netdev() 2014-07-15 16:12:48 -07:00
team team: Simplify return path of team_newlink 2014-08-05 16:37:51 -07:00
usb net: fix USB network driver config option. 2014-08-06 16:00:20 -07:00
vmxnet3 PCI: Remove DEFINE_PCI_DEVICE_TABLE macro use 2014-08-12 12:15:14 -06:00
wan PCI changes for the v3.17 merge window (part 2): 2014-08-14 18:10:33 -06:00
wimax net: set name_assign_type in alloc_netdev() 2014-07-15 16:12:48 -07:00
wireless wil6210: cfg80211_rx_mgmt to use GFP_ATOMIC 2014-08-25 16:17:38 -04:00
xen-netback xen-netback: remove loop waiting function 2014-08-13 20:07:44 -07:00
dummy.c net: set name_assign_type in alloc_netdev() 2014-07-15 16:12:48 -07:00
eql.c net: set name_assign_type in alloc_netdev() 2014-07-15 16:12:48 -07:00
ifb.c net: set name_assign_type in alloc_netdev() 2014-07-15 16:12:48 -07:00
Kconfig vxlan: Call udp_sock_create 2014-07-14 16:12:15 -07:00
LICENSE.SRC
loopback.c net: set name_assign_type in alloc_netdev() 2014-07-15 16:12:48 -07:00
macvlan.c macvlan: Allow setting multicast filter on all macvlan types 2014-08-21 16:54:25 -07:00
macvtap.c
Makefile net: reduce USB network driver config options. 2014-08-05 16:48:59 -07:00
mdio.c
mii.c
netconsole.c
nlmon.c
ntb_netdev.c
rionet.c
sb1000.c
Space.c
sungem_phy.c
tun.c net: set name_assign_type in alloc_netdev() 2014-07-15 16:12:48 -07:00
veth.c net: rtnetlink - make create_link take name_assign_type 2014-07-15 16:13:07 -07:00
virtio_net.c virtio-net: rx busy polling support 2014-07-23 15:12:02 -07:00
vxlan.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-07-30 13:25:49 -07:00
xen-netfront.c xen-netfront: Fix handling packets on compound pages with skb_linearize 2014-08-11 14:46:41 -07:00