Stefano Brivio 0cd67d48b5 b43legacy: fix PIO crash ... Fix the crash reported below, which seems to happen on bcm4306 rev. 2 devices only while using PIO: Oops: 0000 [#1] PREEMPT Modules linked in: b43(F) rfkill(F) led_class(F) input_polldev(F) arc4 b43legacy mac80211 cfg80211 i915 drm snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device ohci1394 ieee1394 ssb pcmcia snd_intel8x0m ehci_hcd uhci_hcd evdev Pid: 0, comm: swapper Tainted: GF (2.6.24st3 #2) EIP: 0060:[<f90f667b>] EFLAGS: 00010002 CPU: 0 EIP is at b43legacy_pio_handle_txstatus+0xbb/0x210 [b43legacy] EAX: 0000049b EBX: f11f8044 ECX: 00000001 EDX: 00000000 ESI: f1ff8000 EDI: 00000000 EBP: f11f8040 ESP: c04f4ef4 DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 Process swapper (pid: 0, ti=c04f4000 task=c0488300 task.ti=c04b8000) Stack: f90f2788 c05009f0 c0500900 000010f7 f1053823 c04f4f24 dfb8e800 00000003 f1368000 00000007 00000296 f90f1975 00001000 010c0800 01000000 00000007 f90f6391 f11f8000 00000082 c04f4f4a 00000000 00004fd0 10f70000 8c061000 Call Trace: [<f90f2788>] b43legacy_debugfs_log_txstat+0x48/0xb0 [b43legacy] [<f90f1975>] b43legacy_handle_hwtxstatus+0x75/0x80 [b43legacy] [<f90f6391>] b43legacy_pio_rx+0x201/0x280 [b43legacy] [<f90e4fa3>] b43legacy_interrupt_tasklet+0x2e3/0x870 [b43legacy] [<c0123567>] tasklet_action+0x27/0x60 [<c01237b4>] __do_softirq+0x54/0xb0 [<c010686b>] do_softirq+0x7b/0xe0 [<c01457c0>] handle_level_irq+0x0/0x110 [<c01457c0>] handle_level_irq+0x0/0x110 [<c0123758>] irq_exit+0x38/0x40 [<c0106953>] do_IRQ+0x83/0xd0 [<c011812f>] __update_rq_clock+0x4f/0x180 [<c0104b4f>] common_interrupt+0x23/0x28 [<c011007b>] wakeup_code+0x7b/0xde [<c02b1039>] acpi_processor_idle+0x24a/0x3c9 [<c01025c7>] cpu_idle+0x47/0x80 [<c04b9ad5>] start_kernel+0x205/0x290 [<c04b9360>] unknown_bootoption+0x0/0x1f0 ======================= Code: 0f 00 00 81 fb ff 00 00 00 0f 87 36 01 00 00 8d 04 db 85 ff 8d 6c c6 40 8d 5d 04 0f 85 ef 00 00 00 fe 4e 0e 0f b7 46 0c 8b 53 04 <8b> 4a 50 29 c8 83 e8 52 66 89 46 0c 8b 54 24 14 80 7a 0b 00 74 EIP: [<f90f667b>] b43legacy_pio_handle_txstatus+0xbb/0x210 [b43legacy] SS:ESP 0068:c04f4ef4 Kernel panic - not syncing: Fatal exception in interrupt Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it> Signed-off-by: John W. Linville <linville@tuxdriver.com>		2008-02-05 14:35:46 -05:00
..
acorn/char
acpi	drivers/acpi/: Spelling fixes	2008-02-03 17:06:17 +02:00
amba
ata	drivers/ata/: Spelling fixes	2008-02-03 17:08:11 +02:00
atm
auxdisplay
base	Driver core: Remove unneeded get_{device,driver}() calls.	2008-02-02 15:14:49 -08:00
block	Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus	2008-02-04 08:00:54 -08:00
bluetooth	drivers/bluetooth/: Spelling fixes	2008-02-03 17:10:31 +02:00
cdrom	ide-cd: move lba_to_msf() and msf_to_lba() to <linux/cdrom.h>	2008-02-01 23:09:24 +01:00
char	Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus	2008-02-04 08:00:54 -08:00
clocksource
connector	[NETNS]: Consolidate kernel netlink socket destruction.	2008-01-28 15:08:07 -08:00
cpufreq	cpufreq: fix obvious condition statement error	2008-01-30 13:33:34 +01:00
cpuidle
crypto
dca
dio	dio: fix kernel-doc notation	2008-02-03 16:29:12 +02:00
dma
edac	drivers/edac/: Spelling fixes	2008-02-03 17:12:34 +02:00
eisa
firewire	firewire: fw-sbp2: Use sbp2 device-provided mgt orb timeout for logins	2008-01-30 22:22:29 +01:00
firmware	drivers/firmware/: Spelling fixes	2008-02-03 17:13:40 +02:00
hid
hwmon
i2c	PCI: Remove users of pci_enable_device_bars()	2008-02-01 15:04:27 -08:00
ide	Spelling fixes: lenght->length	2008-02-03 15:42:53 +02:00
ieee1394	ieee1394: sbp2: fix bogus s/g access change	2008-02-02 13:48:16 +01:00
infiniband	[SCSI] remove use_sg_chaining	2008-01-30 13:14:02 -06:00
input	drivers/input/: Spelling fixes	2008-02-03 17:15:20 +02:00
isdn	drivers/isdn/: Spelling fixes	2008-02-03 17:16:28 +02:00
leds
lguest	virtio: reset function	2008-02-04 23:50:03 +11:00
macintosh	Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial	2008-02-04 07:58:52 -08:00
mca
md
media	drivers/media/: Spelling fixes	2008-02-03 17:18:59 +02:00
message	drivers/message/: Spelling fixes	2008-02-03 17:21:01 +02:00
mfd
misc
mmc
mtd	drivers/mtd/: Spelling fixes	2008-02-03 17:22:34 +02:00
net	b43legacy: fix PIO crash	2008-02-05 14:35:46 -05:00
nubus	drivers/nubus/: Spelling fixes	2008-02-03 17:23:36 +02:00
of
oprofile
parisc	drivers/parisc/: Spelling fixes	2008-02-03 17:24:37 +02:00
parport	Spelling fixes: lenght->length	2008-02-03 15:42:53 +02:00
pci	PCI: fix 4x section mismatch warnings	2008-02-02 15:08:04 -08:00
pcmcia	Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm	2008-02-04 15:29:53 -08:00
pnp	git-x86: drivers/pnp/pnpbios/bioscalls.c build fix	2008-01-30 13:32:31 +01:00
power	apm_power: check I.intval for zero value, we use it as the divisor	2008-02-02 02:44:34 +03:00
ps3
rapidio	Merge branch 'linux-2.6'	2008-01-31 11:25:51 +11:00
rtc
s390	[SCSI] zfcp: fix sense_buffer access bug	2008-01-30 13:03:39 -06:00
sbus
scsi	Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial	2008-02-04 07:58:52 -08:00
serial	Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm	2008-02-04 15:29:53 -08:00
sh
sn
spi	Spelling fixes: lenght->length	2008-02-03 15:42:53 +02:00
ssb	drivers/ssb/: Spelling fixes	2008-02-03 17:30:25 +02:00
tc
telephony
uio
usb	Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6	2008-02-02 14:29:33 +11:00
video	drivers/video/: Spelling fixes	2008-02-03 17:31:49 +02:00
virtio	virtio: balloon driver	2008-02-04 23:50:13 +11:00
w1
watchdog	drivers/watchdog/: Spelling fixes	2008-02-03 17:32:52 +02:00
xen
zorro
Kconfig	virtio: Put the virtio under the virtualization menu	2008-02-04 23:50:05 +11:00
Makefile	Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus	2008-01-31 09:35:32 +11:00