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6e07a1e0b5
linux/drivers/net
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Alexander Aring 6e07a1e0b5 at86rf230: fix lockdep splats 
This patch fix a lockdep in the at86rf230 driver, otherwise we get:

[   30.206517] =================================
[   30.211078] [ INFO: inconsistent lock state ]
[   30.215647] 3.14.0-20140108-1-00994-g32e9426 #163 Not tainted
[   30.221660] ---------------------------------
[   30.226222] inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage.
[   30.232514] systemd-udevd/157 [HC1[1]:SC0[0]:HE0:SE1] takes:
[   30.238439]  (&(&lp->lock)->rlock){?.+...}, at: [<c03600f8>] at86rf230_isr+0x18/0x44
[   30.246621] {HARDIRQ-ON-W} state was registered at:
[   30.251728]   [<c0061ce4>] __lock_acquire+0x7a4/0x18d8
[   30.257135]   [<c0063500>] lock_acquire+0x68/0x7c
[   30.262071]   [<c0588820>] _raw_spin_lock+0x28/0x38
[   30.267203]   [<c0361240>] at86rf230_xmit+0x1c/0x144
[   30.272412]   [<c057ba6c>] mac802154_xmit_worker+0x88/0x148
[   30.278271]   [<c0047844>] process_one_work+0x274/0x404
[   30.283761]   [<c00484c0>] worker_thread+0x228/0x374
[   30.288971]   [<c004cfb8>] kthread+0xd0/0xe4
[   30.293455]   [<c000dac8>] ret_from_fork+0x14/0x2c
[   30.298493] irq event stamp: 8948
[   30.301963] hardirqs last  enabled at (8947): [<c00cb290>] __kmalloc+0xb4/0x110
[   30.309636] hardirqs last disabled at (8948): [<c00115d4>] __irq_svc+0x34/0x5c
[   30.317215] softirqs last  enabled at (8452): [<c0037324>] __do_softirq+0x1dc/0x264
[   30.325243] softirqs last disabled at (8439): [<c0037638>] irq_exit+0x80/0xf4

We use the lp->lock inside the isr of at86rf230, that's why we need the
irqsave spinlock calls.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-13 15:44:24 -04:00
..
appletalk
arcnet drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
bonding bonding: correctly handle out of range parameters for lp_interval 2014-03-06 17:06:17 -05:00
caif drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
can can: flexcan: factor out soft reset into seperate funtion 2014-03-03 14:29:51 +01:00
cris
dsa
ethernet net/mlx4_en: Deregister multicast vxlan steering rules when going down 2014-03-13 13:35:40 -04:00
fddi drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
hamradio Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-01-06 17:37:45 -05:00
hippi drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
hyperv hyperv: Move state setting for link query 2014-03-05 20:40:25 -05:00
ieee802154 at86rf230: fix lockdep splats 2014-03-13 15:44:24 -04:00
irda irtty-sir.c: Do not set_termios() on irtty_close() 2014-02-17 16:27:51 -05:00
phy phy: fix compiler array bounds warning on settings[] 2014-03-06 16:07:25 -05:00
plip net: plip: slight optimization of addr compare 2013-12-31 16:48:33 -05:00
ppp ppp: slight optimization of addr compare 2013-12-26 13:31:33 -05:00
slip
team netdevice: add queue selection fallback handler for ndo_select_queue 2014-02-17 00:36:34 -05:00
usb r8152: disable the ECM mode 2014-03-05 20:40:24 -05:00
vmxnet3 vmxnet3: fix building without CONFIG_PCI_MSI 2014-03-13 12:56:38 -04:00
wan wan: dlci: Remove unused netdev_priv pointer 2014-02-09 18:40:56 -08:00
wimax
wireless Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem 2014-03-07 15:09:32 -05:00
xen-netback xen-netback: use skb_is_gso in xenvif_start_xmit 2014-03-12 15:36:32 -04:00
dummy.c
eql.c eql: use __dev_get_by_name instead of dev_get_by_name to find interface 2014-01-14 18:50:46 -08:00
ifb.c
Kconfig net: fix macvtap type name in Kconfig 2014-02-13 15:48:31 -05:00
LICENSE.SRC
loopback.c drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
macvlan.c macvlan: Add support for 'always_on' offload features 2014-03-03 16:43:56 -05:00
macvtap.c drivers/net: delete non-required instances of include <linux/init.h> 2014-01-16 11:53:26 -08:00
Makefile
mdio.c mdio: unused ethtool functions 2013-12-26 13:29:35 -05:00
mii.c
netconsole.c
nlmon.c
ntb_netdev.c
rionet.c
sb1000.c
Space.c drivers: net: Include new header file in sbni.c 2013-12-19 18:51:20 -05:00
sungem_phy.c
tun.c tun: remove bogus hardware vlan acceleration flags from vlan_features 2014-02-20 02:15:38 -05:00
veth.c veth: Fix vlan_features so as to be able to use stacked vlan interfaces 2014-02-20 02:15:38 -05:00
virtio_net.c virtio-net: alloc big buffers also when guest can receive UFO 2014-02-24 18:19:52 -05:00
vxlan.c vxlan: remove extra newline after function definition 2014-02-01 16:58:02 -08:00
xen-netfront.c xen-netfront: reset skb network header before checksum 2014-02-19 16:52:51 -05:00