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96ea4801d2
linux/drivers
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Max Vozeler 96ea4801d2 staging: usbip: vhci: update reference count for usb_device 
commit 7606ee8aa3 upstream.

This fixes an oops observed when reading status during
removal of a device:

[ 1706.648285] general protection fault: 0000 [#1] SMP
[ 1706.648294] last sysfs file: /sys/devices/platform/vhci_hcd/status
[ 1706.648297] CPU 1
[ 1706.648300] Modules linked in: binfmt_misc microcode fuse loop vhci_hcd(N) usbip(N) usbcore usbip_common_mod(N) rtc_core rtc_lib joydev dm_mirror dm_region_hash dm_log linear dm_snapshot xennet dm_mod ext3 mbcache jbd processor thermal_sys hwmon xenblk cdrom
[ 1706.648324] Supported: Yes
[ 1706.648327] Pid: 10422, comm: usbip Tainted: G          N  2.6.32.12-0.7-xen #1
[ 1706.648330] RIP: e030:[<ffffffff801b10d5>]  [<ffffffff801b10d5>] strnlen+0x5/0x40
[ 1706.648340] RSP: e02b:ffff8800a994dd30  EFLAGS: 00010286
[ 1706.648343] RAX: ffffffff80481ec1 RBX: 0000000000000000 RCX: 0000000000000002
[ 1706.648347] RDX: 00200d1d4f1c001c RSI: ffffffffffffffff RDI: 00200d1d4f1c001c
[ 1706.648350] RBP: ffff880129a1c0aa R08: ffffffffa01901c4 R09: 0000000000000006
[ 1706.648353] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8800a9a1c0ab
[ 1706.648357] R13: 00200d1d4f1c001c R14: 00000000ffffffff R15: ffff880129a1c0aa
[ 1706.648363] FS:  00007f2f2e9ca700(0000) GS:ffff880001018000(0000) knlGS:0000000000000000
[ 1706.648367] CS:  e033 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1706.648370] CR2: 000000000071b048 CR3: 00000000b4b68000 CR4: 0000000000002660
[ 1706.648374] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1706.648378] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 1706.648381] Process usbip (pid: 10422, threadinfo ffff8800a994c000, task ffff88007b170200)
[ 1706.648385] Stack:
[ 1706.648387]  ffffffff801b28c9 0000000000000002 ffffffffa01901c4 ffff8800a9a1c0ab
[ 1706.648391] <0> ffffffffa01901c6 ffff8800a994de08 ffffffff801b339b 0000000000000004
[ 1706.648397] <0> 0000000affffffff ffffffffffffffff 00000000000067c0 0000000000000000
[ 1706.648404] Call Trace:
[ 1706.648413]  [<ffffffff801b28c9>] string+0x39/0xe0
[ 1706.648419]  [<ffffffff801b339b>] vsnprintf+0x1eb/0x620
[ 1706.648423]  [<ffffffff801b3813>] sprintf+0x43/0x50
[ 1706.648429]  [<ffffffffa018d719>] show_status+0x1b9/0x220 [vhci_hcd]
[ 1706.648438]  [<ffffffff8024a2b7>] dev_attr_show+0x27/0x60
[ 1706.648445]  [<ffffffff80144821>] sysfs_read_file+0x101/0x1d0
[ 1706.648451]  [<ffffffff800da4a7>] vfs_read+0xc7/0x130
[ 1706.648457]  [<ffffffff800da613>] sys_read+0x53/0xa0
[ 1706.648462]  [<ffffffff80007458>] system_call_fastpath+0x16/0x1b
[ 1706.648468]  [<00007f2f2de40f30>] 0x7f2f2de40f30
[ 1706.648470] Code: 66 0f 1f 44 00 00 48 83 c2 01 80 3a 00 75 f7 48 89 d0 48 29 f8 f3 c3 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 48 85 f6 74 29 <80> 3f 00 74 24 48 8d 56 ff 48 89 f8 eb 0e 0f 1f 44 00 00 48 83
[ 1706.648507] RIP  [<ffffffff801b10d5>] strnlen+0x5/0x40
[ 1706.648511]  RSP <ffff8800a994dd30>
[ 1706.649575] ---[ end trace b4eb72bf2e149593 ]---

Signed-off-by: Max Vozeler <max@vozeler.com>
Tested-by: Mark Wehby <MWehby@luxotticaRetail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-03-02 09:47:03 -05:00
..
accessibility
acpi ACPI: EC: Add another dmi match entry for MSI hardware 2011-01-07 14:43:07 -08:00
amba Merge branches 'arm', 'at91', 'bcmring', 'ep93xx', 'mach-types', 'misc' and 'w90x900' into devel 2009-09-12 12:01:34 +01:00
ata pata_mpc52xx: inherit from ata_bmdma_port_ops 2011-02-17 15:37:10 -08:00
atm solos-pci: Fix race condition in tasklet RX handling 2010-08-13 13:19:34 -07:00
auxdisplay
base firmware_class: fix memory leak - free allocated pages 2010-08-02 10:21:25 -07:00
block Fix pktcdvd ioctl dev_minor range check 2011-03-02 09:46:34 -05:00
bluetooth bluetooth: Fix missing NULL check 2010-11-22 10:47:30 -08:00
cdrom sysctl: remove "struct file *" argument of ->proc_handler 2009-09-24 07:21:04 -07:00
char tpm_tis: Use timeouts returned from TPM 2011-02-17 15:37:11 -08:00
clocksource clocksource: sh_tmu: compute mult and shift before registration 2010-09-26 17:21:37 -07:00
connector connector: Delete buggy notification code. 2010-02-09 04:50:59 -08:00
cpufreq revert "[CPUFREQ] remove rwsem lock from CPUFREQ_GOV_STOP call (second call site)" 2010-08-02 10:21:25 -07:00
cpuidle cpuidle: Fix incorrect optimization 2010-05-12 14:57:16 -07:00
crypto crypto: padlock - Fix AES-CBC handling on odd-block-sized input 2010-12-09 13:27:10 -08:00
dca dca: module load should not be an error message 2009-09-13 10:27:04 -07:00
dio
dma mv_xor: fix race in tasklet function 2011-01-07 14:43:17 -08:00
edac amd64_edac: Fix interleaving check 2011-01-07 14:43:06 -08:00
eisa
firewire firewire: ohci: fix race in AR split packet handling 2010-12-09 13:26:50 -08:00
firmware DMI: allow omitting ident strings in DMI tables 2010-01-28 15:01:52 -08:00
gpio gpiolib: Actually set output state in wm831x_gpio_direction_output() 2010-03-15 08:49:57 -07:00
gpu drm/i915: Add dependency on CONFIG_TMPFS 2011-02-17 15:37:18 -08:00
hid HID: hidraw: fix window in hidraw_release 2011-01-07 14:43:13 -08:00
hwmon hwmon: (via686a) Initialize fan_div values 2011-02-17 15:36:43 -08:00
i2c i2c: Unregister dummy devices last on adapter removal 2011-02-17 15:37:03 -08:00
ide ide-cd: Do not access completed requests in the irq handler 2010-08-13 13:19:36 -07:00
idle
ieee1394 headers: remove sched.h from interrupt.h 2009-10-11 11:20:58 -07:00
ieee802154 ieee802154: dont leak skbs in ieee802154_fake_xmit() 2009-11-19 13:16:21 -08:00
infiniband IB/uverbs: Handle large number of entries in poll CQ 2011-01-07 14:43:06 -08:00
input input: bcm5974: Add support for MacBookAir3 2011-02-17 15:36:59 -08:00
isdn isdn: hisax: Replace the bogus access to irq stats 2011-03-02 09:46:41 -05:00
leds leds-gpio: fix default state handling on OF platforms 2010-04-01 15:58:53 -07:00
lguest lguest: fix bug in setting guest GDT entry 2010-01-06 15:05:19 -08:00
macintosh macintosh/therm_adt746x: Fix sysfs attributes lifetime 2010-03-15 08:49:46 -07:00
mca
md dm raid1: fix null pointer dereference in suspend 2011-03-02 09:46:44 -05:00
media radio-aimslab.c needs #include <linux/delay.h> 2011-03-02 09:46:52 -05:00
memstick memstick: fix hangs on unexpected device removal in mspro_blk 2010-08-26 16:41:32 -07:00
message mptfusion: Fix Incorrect return value in mptscsih_dev_reset 2011-03-02 09:46:33 -05:00
mfd mfd: WM835x GPIO direction register is not locked 2010-01-22 15:18:18 -08:00
misc x86: uv: xpc NULL deref when mesq becomes empty 2010-12-09 13:27:15 -08:00
mmc mmc: sdhci-s3c: fix NULL ptr access in sdhci_s3c_remove 2010-10-28 21:43:55 -07:00
mtd pxa3xx: fix ns2cycle equation 2010-08-26 16:41:42 -07:00
net p54pci: update receive dma buffers before and after processing 2011-03-02 09:47:02 -05:00
nubus
of of: Remove nested function 2009-10-15 09:58:27 -06:00
oprofile oprofile: fix crash when accessing freed task structs 2010-09-20 13:17:50 -07:00
parisc PARISC: led.c - fix potential stack overflow in led_proc_write() 2010-08-10 10:20:37 -07:00
parport sysctl: remove "struct file *" argument of ->proc_handler 2009-09-24 07:21:04 -07:00
pci PCI: pci-stub: ignore zero-length id parameters 2011-02-17 15:37:01 -08:00
pcmcia pcmcia: avoid buffer overflow in pcmcia_setup_isa_irq 2010-08-26 16:41:53 -07:00
platform platform: x86: tc1100-wmi: world-writable sysfs wireless and jogdial files 2011-03-02 09:46:55 -05:00
pnp ACPI: remove acpi_device.flags.hardware_id 2009-09-25 15:09:48 -04:00
power ds2760_battery: Fix calculation of time_to_empty_now 2011-02-17 15:37:02 -08:00
pps pps: events reporting fix up 2009-11-12 07:26:01 -08:00
ps3
rapidio
regulator regulator: Fix display of null constraints for regulators 2010-02-23 07:37:49 -08:00
rtc rtc-cmos: fix suspend/resume 2011-02-17 15:37:00 -08:00
s390 nohz: Introduce arch_needs_cpu 2010-08-13 13:20:13 -07:00
sbus const: make block_device_operations const 2009-09-22 07:17:25 -07:00
scsi scsi_dh_alua: Add IBM Power Virtual SCSI ALUA device to dev list 2011-03-02 09:46:43 -05:00
serial serial: unbreak billionton CF card 2011-02-17 15:37:03 -08:00
sfi SFI: remove __init from sfi_verify_table 2009-10-03 01:16:12 -04:00
sh
sn
spi SPI: spi_txx9: Fix bit rate calculation 2009-12-02 23:58:32 +00:00
ssb ssb: b43-pci-bridge: Add new vendor for BCM4318 2010-12-09 13:26:41 -08:00
staging staging: usbip: vhci: update reference count for usb_device 2011-03-02 09:47:03 -05:00
tc
telephony
thermal acpi: thermal: Add EOL to the trip_point_N_type strings 2009-11-05 17:33:24 -05:00
uio uio: pm_runtime_disable is needed if failed 2009-11-13 11:36:00 +09:00
usb sierra: add new ID for Airprime/Sierra USB IP modem 2011-03-02 09:47:02 -05:00
uwb headers: remove sched.h from interrupt.h 2009-10-11 11:20:58 -07:00
video efifb: support the EFI framebuffer on more Apple hardware 2010-12-09 13:27:08 -08:00
virtio virtio: remove virtio-pci root device 2011-02-17 15:37:02 -08:00
vlynq drivers/vlynq/vlynq.c: fix resource size off by 1 error 2009-09-24 07:21:05 -07:00
w1 w1: w1 temp: fix negative termperature calculation 2010-05-12 14:57:00 -07:00
watchdog WATCHDOG: iTCO_wdt: TCO Watchdog patch for additional Intel Cougar Point DeviceIDs 2010-04-26 07:41:18 -07:00
xen xen: ensure that all event channels start off bound to VCPU 0 2010-12-09 13:26:42 -08:00
zorro
Kconfig
Makefile virtio: initialize earlier 2010-05-12 14:57:15 -07:00