Stanislav Yakovlev aac495a800 net/wireless: ipw2100: Fix WARN_ON occurring in wiphy_register called by ipw2100_pci_init_one ... The problem was found by Larry Finger: http://marc.info/?l=linux-wireless&m=133702401700614&w=2 The problem is identical to the one for ipw2200 which is already fixed: http://marc.info/?l=linux-wireless&m=133457257407196&w=2 [ 17.766431] ------------[ cut here ]------------ [ 17.766467] WARNING: at net/wireless/core.c:562 wiphy_register+0x34c/0x3c0 [cfg80211]() [ 17.766471] Hardware name: Latitude D600 [ 17.766474] Modules linked in: ipw2100(+) libipw pcmcia cfg80211 ppdev parport_pc yenta_socket sr_mod pcmcia_rsrc parport iTCO_wdt cdrom sg rfkill pcmcia_ core lib80211 tg3 video button battery ac iTCO_vendor_support joydev shpchp pcspkr pciehp pci_hotplug autofs4 radeon ttm drm_kms_helper uhci_hcd ehci_hcd rtc _cmos thermal drm hwmon i2c_algo_bit i2c_core processor usbcore usb_common ata_generic ata_piix ahci libahci libata [ 17.766525] Pid: 474, comm: modprobe Not tainted 3.4.0-rc7-wl+ #6 [ 17.766528] Call Trace: [ 17.766541] [<c066ad08>] ? printk+0x28/0x2a [ 17.766552] [<c0230edd>] warn_slowpath_common+0x6d/0xa0 [ 17.766563] [<e0b253bc>] ? wiphy_register+0x34c/0x3c0 [cfg80211] [ 17.766573] [<e0b253bc>] ? wiphy_register+0x34c/0x3c0 [cfg80211] [ 17.766578] [<c0230f2d>] warn_slowpath_null+0x1d/0x20 [ 17.766588] [<e0b253bc>] wiphy_register+0x34c/0x3c0 [cfg80211] [ 17.766605] [<e0b5b0d6>] ipw2100_wdev_init+0x196/0x1c0 [ipw2100] [ 17.766616] [<e0b5d962>] ipw2100_pci_init_one+0x2b2/0x694 [ipw2100] [ 17.766632] [<c047ce52>] local_pci_probe+0x42/0xb0 [ 17.766637] [<c047e2b0>] pci_device_probe+0x60/0x90 [ 17.766645] [<c0376de2>] ? sysfs_create_link+0x12/0x20 [ 17.766654] [<c050f1f6>] really_probe+0x56/0x2e0 [ 17.766659] [<c037636d>] ? create_dir+0x5d/0xa0 [ 17.766667] [<c0518c6b>] ? pm_runtime_barrier+0x3b/0xa0 [ 17.766672] [<c050f5e4>] driver_probe_device+0x44/0xa0 [ 17.766677] [<c047e227>] ? pci_match_device+0x97/0xa0 [ 17.766681] [<c050f6c9>] __driver_attach+0x89/0x90 [ 17.766686] [<c050f640>] ? driver_probe_device+0xa0/0xa0 [ 17.766691] [<c050da2a>] bus_for_each_dev+0x3a/0x70 [ 17.766695] [<c050ee6c>] driver_attach+0x1c/0x30 [ 17.766699] [<c050f640>] ? driver_probe_device+0xa0/0xa0 [ 17.766704] [<c050ea77>] bus_add_driver+0x187/0x280 [ 17.766710] [<c045b9cd>] ? kset_find_obj+0x2d/0x60 [ 17.766715] [<c047e2e0>] ? pci_device_probe+0x90/0x90 [ 17.766719] [<c047e2e0>] ? pci_device_probe+0x90/0x90 [ 17.766724] [<c050fb85>] driver_register+0x65/0x110 [ 17.766729] [<c047e09d>] __pci_register_driver+0x3d/0xa0 [ 17.766738] [<e09f705c>] ipw2100_init+0x5c/0x1000 [ipw2100] [ 17.766743] [<c020110f>] do_one_initcall+0x2f/0x170 [ 17.766749] [<e09f7000>] ? 0xe09f6fff [ 17.766757] [<c0287ce8>] sys_init_module+0xa8/0x210 [ 17.766766] [<c067a075>] syscall_call+0x7/0xb [ 17.766769] ---[ end trace 559898c6bb0d1c75 ]--- [ 17.767093] ipw2100: probe of 0000:02:03.0 failed with error -5 This warning appears only if we apply Ben Hutchings' fix http://marc.info/?l=linux-wireless&m=132720204412667&w=2 for the bug reported by Cesare Leonardi http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=656813 with cfg80211 warning during device registration ("cfg80211: failed to add phy80211 symlink to netdev!"). We separate device bring up and registration with network stack to avoid the problem. Signed-off-by: Stanislav Yakovlev <stas.yakovlev@gmail.com> Tested-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>		2012-06-08 13:43:57 -04:00
..
appletalk	Remove all #inclusions of asm/system.h	2012-03-28 18:30:03 +01:00
arcnet	arcnet: rimi: Fix device name in debug output	2012-04-17 22:22:43 -04:00
bonding	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	2012-05-16 22:17:37 -04:00
caif	caif: include linux/io.h	2012-04-21 15:28:47 -04:00
can	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2012-05-22 19:22:50 -07:00
cris	net:removed the unused variable	2012-04-03 13:09:18 +02:00
dsa
ethernet	fec_mpc52xx: fix timestamp filtering	2012-06-02 17:09:08 -04:00
fddi
hamradio	Remove all #inclusions of asm/system.h	2012-03-28 18:30:03 +01:00
hippi	hippi: fix printk format in rrunner.c	2012-04-16 23:48:38 -04:00
hyperv	usb/net: rndis: merge command codes	2012-05-12 15:11:18 -04:00
irda	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2012-05-22 19:22:50 -07:00
phy	netdev/phy: Make get_phy_id() static and quit EXPORTing it.	2012-05-16 00:59:12 -04:00
plip	Remove all #inclusions of asm/system.h	2012-03-28 18:30:03 +01:00
ppp	ppp: avoid false drop_monitor false positives	2012-05-19 02:32:30 -04:00
slip	Remove all #inclusions of asm/system.h	2012-03-28 18:30:03 +01:00
team	team: add per-port option for enabling/disabling ports	2012-04-21 16:26:33 -04:00
usb	mcs7830: Implement link state detection	2012-06-02 17:09:08 -04:00
vmxnet3	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	2012-03-05 21:16:26 -05:00
wan	Staging tree pull request for 3.5-rc1	2012-05-22 16:34:21 -07:00
wimax	skb: Add inline helper for getting the skb end offset from head	2012-05-06 13:13:19 -04:00
wireless	net/wireless: ipw2100: Fix WARN_ON occurring in wiphy_register called by ipw2100_pci_init_one	2012-06-08 13:43:57 -04:00
xen-netback	xen/netback: Calculate the number of SKB slots required correctly	2012-05-24 16:22:53 -04:00
dummy.c	dummy: Add ndo_uninit().	2012-04-16 23:56:36 -04:00
eql.c	eql: dont rely on HZ=100	2012-03-27 22:45:26 -04:00
ifb.c	net: replace random_ether_addr() with eth_hw_addr_random()	2012-02-15 15:34:16 -05:00
Kconfig	tokenring: delete all remaining driver support	2012-05-15 20:23:16 -04:00
LICENSE.SRC
loopback.c	Remove all #inclusions of asm/system.h	2012-03-28 18:30:03 +01:00
macvlan.c	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	2012-05-16 22:17:37 -04:00
macvtap.c	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	2012-05-16 22:17:37 -04:00
Makefile	tokenring: delete all remaining driver support	2012-05-15 20:23:16 -04:00
mdio.c	ethtool, mdio, mii: Specify MDIO information fields in struct ethtool_cmd	2012-03-01 16:41:26 -05:00
mii.c	ethtool, mdio, mii: Specify MDIO information fields in struct ethtool_cmd	2012-03-01 16:41:26 -05:00
netconsole.c
rionet.c	rionet: fix page allocation order of rionet_active	2012-04-01 23:17:16 -04:00
sb1000.c
Space.c	drivers/net: delete all code/drivers depending on CONFIG_MCA	2012-05-17 16:37:41 -04:00
sungem_phy.c
tun.c	drivers/net: Convert compare_ether_addr to ether_addr_equal	2012-05-10 23:33:01 -04:00
veth.c	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	2012-02-19 16:03:15 -05:00
virtio_net.c	virtio-net: remove useless disable on freeze	2012-05-30 16:36:15 -04:00
xen-netfront.c	xen: do not disable netfront in dom0	2012-05-22 16:50:28 -04:00