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linux/drivers/net/wireless/b43
Larry Finger 9f2a0fac62 b43: Fix warning at drivers/mmc/core/core.c:237 in mmc_wait_for_cmd
On module removal, the sdio version of b43 generates the following warning:

[  851.560519] ------------[ cut here ]------------
[  851.560531] WARNING: at drivers/mmc/core/core.c:237 mmc_wait_for_cmd+0x88/0x90()
[  851.560534] Hardware name: 20552PG
[  851.560536] Modules linked in: b43(-) ssb mmc_block binfmt_misc rfcomm sco bnep ppdev l2cap ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp kvm_intel kvm arc4 iwlagn snd_hda_codec_conexant snd_hda_intel snd_hda_codec iwlcore snd_hwdep snd_pcm thinkpad_acpi mac80211 snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq r852 joydev snd_timer sm_common pcmcia nand snd_seq_device cfg80211 sdhci_pci btusb psmouse tpm_tis yenta_socket nand_ids lp snd pcmcia_rsrc nand_ecc bluetooth sdhci tpm pcmcia_core parport mtd snd_page_alloc serio_raw tpm_bios soundcore nvram led_class sha256_generic aes_i586 aes_generic dm_crypt i915 drm_kms_helper drm ahci intel_agp i2c_algo_bit intel_gtt e1000e libahci video agpgart output
[  851.560620] Pid: 2504, comm: rmmod Not tainted 2.6.36-titan0+ #1
[  851.560622] Call Trace:
[  851.560631]  [<c014a102>] warn_slowpath_common+0x72/0xa0
[  851.560636]  [<c04d94c8>] ? mmc_wait_for_cmd+0x88/0x90
[  851.560641]  [<c04d94c8>] ? mmc_wait_for_cmd+0x88/0x90
[  851.560645]  [<c014a152>] warn_slowpath_null+0x22/0x30
[  851.560649]  [<c04d94c8>] mmc_wait_for_cmd+0x88/0x90
[  851.560655]  [<c0401585>] ? device_release+0x25/0x80
[  851.560660]  [<c04df210>] mmc_io_rw_direct_host+0xa0/0x150
[  851.560665]  [<c04df370>] mmc_io_rw_direct+0x30/0x40
[  851.560669]  [<c04e06e7>] sdio_disable_func+0x37/0xa0
[  851.560683]  [<f8dfcb80>] b43_sdio_remove+0x30/0x50 [b43]
[  851.560687]  [<c04df8cc>] sdio_bus_remove+0x1c/0x60
[  851.560692]  [<c016d39f>] ? blocking_notifier_call_chain+0x1f/0x30
[  851.560697]  [<c0404991>] __device_release_driver+0x51/0xb0
[  851.560701]  [<c0404a7f>] driver_detach+0x8f/0xa0
[  851.560705]  [<c0403c83>] bus_remove_driver+0x63/0xa0
[  851.560709]  [<c0405039>] driver_unregister+0x49/0x80
[  851.560713]  [<c0405039>] ? driver_unregister+0x49/0x80
[  851.560718]  [<c04dfad7>] sdio_unregister_driver+0x17/0x20
[  851.560727]  [<f8dfcb42>] b43_sdio_exit+0x12/0x20 [b43]
[  851.560734]  [<f8dfe76f>] b43_exit+0x17/0x3c [b43]
[  851.560740]  [<c017fb8d>] sys_delete_module+0x13d/0x200
[  851.560747]  [<c01fd7d2>] ? do_munmap+0x212/0x300
[  851.560752]  [<c010311f>] sysenter_do_call+0x12/0x28
[  851.560757] ---[ end trace 31e14488072d2f7d ]---
[  851.560759] ------------[ cut here ]------------

The warning is caused by b43 not claiming the device before calling
sdio_disable_func().

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Reported-by: Arnd Hannemann <arnd@arndnet.de>
Tested-by: Arnd Hannemann <arnd@arndnet.de>
Cc: Stable <stable@kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-29 14:35:06 -04:00
..
b43.h b43: define B43_SHM_SH_CHAN_40MHZ 2010-10-06 16:30:41 -04:00
debugfs.c
debugfs.h
dma.c
dma.h
Kconfig
leds.c
leds.h
lo.c
lo.h
main.c
main.h
Makefile b43: N-PHY: put 2056-radio's specific code in separated file 2010-10-15 15:57:40 -04:00
pcmcia.c pcmcia: move driver name to struct pcmcia_driver 2010-09-29 17:20:24 +02:00
pcmcia.h
phy_a.c
phy_a.h
phy_common.c b43: define B43_SHM_SH_CHAN_40MHZ 2010-10-06 16:30:41 -04:00
phy_common.h b43: N-PHY: replace N-specific radio_chanspec with common code 2010-10-15 15:57:36 -04:00
phy_g.c
phy_g.h
phy_lp.c
phy_lp.h
phy_n.c b43: N-PHY: fix infinite-loop-typo 2010-10-25 14:45:55 -04:00
phy_n.h b43: N-PHY: put radio-specific code in separated file 2010-10-15 15:57:38 -04:00
pio.c
pio.h
radio_2055.c b43: N-PHY: put radio-specific code in separated file 2010-10-15 15:57:38 -04:00
radio_2055.h b43: N-PHY: put radio-specific code in separated file 2010-10-15 15:57:38 -04:00
radio_2056.c b43: N-PHY: put 2056-radio's specific code in separated file 2010-10-15 15:57:40 -04:00
radio_2056.h b43: N-PHY: put 2056-radio's specific code in separated file 2010-10-15 15:57:40 -04:00
rfkill.c
rfkill.h
sdio.c b43: Fix warning at drivers/mmc/core/core.c:237 in mmc_wait_for_cmd 2010-10-29 14:35:06 -04:00
sdio.h
sysfs.c
sysfs.h
tables_lpphy.c
tables_lpphy.h
tables_nphy.c b43: N-PHY: put 2056-radio's specific code in separated file 2010-10-15 15:57:40 -04:00
tables_nphy.h b43: N-PHY: put 2056-radio's specific code in separated file 2010-10-15 15:57:40 -04:00
tables.c
tables.h
wa.c
wa.h
xmit.c
xmit.h