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linux/drivers/scsi
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Joe Lawrence 2b5bebccd2 [SCSI] st: Take additional queue ref in st_probe 
This patch fixes a reference count bug in the SCSI tape driver which can be
reproduced with the following:

* Boot with slub_debug=FZPU, tape drive attached
* echo 1 > /sys/devices/... tape device pci path .../remove
* Wait for device removal
* echo 1 > /sys/kernel/slab/blkdev_queue/validate
* Slub debug complains about corrupted poison pattern

In commit 523e1d39 (block: make gendisk hold a reference to its queue)
add_disk() and disk_release() were modified to get/put an additional
reference on a disk queue to fix a reference counting discrepency
between bdev release and SCSI device removal.  The ST driver never
calls add_disk(), so this commit introduced an extra kref put when the
ST driver frees its struct gendisk.

Attempts were made to fix this bug at the block level [1] but later
abandoned due to floppy driver issues [2].

[1] https://lkml.org/lkml/2012/8/27/354
[2] https://lkml.org/lkml/2012/9/22/113

Signed-off-by: Joe Lawrence <joe.lawrence@stratus.com>
Tested-by: Ewan D. Milne <emilne@redhat.com>
Acked-by: Kai Mäkisara <Kai.Makisara@kolumbus.fi>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-04-06 11:14:20 +01:00
..
aacraid
[SCSI] aacraid: suppress two GCC warnings
2013-02-24 09:38:10 +00:00
aic7xxx
scsi: fix various printk and comment typos
2012-09-01 08:24:35 -07:00
aic7xxx_old
Fix common misspellings
2011-03-31 11:26:23 -03:00
aic94xx
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
arcmsr
workqueue: deprecate flush[_delayed]_work_sync()
2012-08-20 14:51:24 -07:00
arm
drivers/scsi/arm: remove depends on CONFIG_EXPERIMENTAL
2013-01-21 14:52:45 -08:00
be2iscsi
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
bfa
SCSI misc on 20130222
2013-02-28 12:43:43 -08:00
bnx2fc
libfc, fcoe, bnx2fc: Split fc_disc_init into fc_disc_{init, config}
2013-03-25 16:03:03 -07:00
bnx2i
[SCSI] bnx2i: fix the bit manipulation when setting the error mask
2013-01-29 14:15:34 +11:00
csiostor
SCSI misc on 20130222
2013-02-28 12:43:43 -08:00
cxgbi
[SCSI] cxgb4i: Remove the scsi host device when removing device
2013-01-30 11:58:06 +11:00
device_handler
drivers/scsi/device_handler: remove depends on CONFIG_EXPERIMENTAL
2013-01-21 14:52:45 -08:00
dpt
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
fcoe
libfcoe: Fix fcoe_sysfs VN2VN mode
2013-03-25 16:04:22 -07:00
fnic
[SCSI] fnic: Fnic Trace Utility
2013-02-22 17:32:07 +00:00
ibmvscsi
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
isci
efi: Make 'efi_enabled' a function to query EFI facilities
2013-01-30 11:51:59 -08:00
libfc
libfc, fcoe, bnx2fc: Split fc_disc_init into fc_disc_{init, config}
2013-03-25 16:03:03 -07:00
libsas
[SCSI] libsas: use right function to alloc smp response
2013-04-06 11:07:21 +01:00
lpfc
SCSI for-linus on 20130301
2013-03-02 11:42:16 -08:00
megaraid
[SCSI] megaraid_sas: Version and Changelog update
2013-02-22 15:37:15 +00:00
mpt2sas
[SCSI] mpt2sas: Add support for OEM specific controller
2013-02-24 08:48:15 +00:00
mpt3sas
[SCSI] mpt3sas: remove unused variables
2013-01-29 14:15:35 +11:00
mvsas
[SCSI] mvsas: fixed timeout issue when removing module
2013-02-22 11:18:33 +00:00
osd
SCSI for-linus on 20130301
2013-03-02 11:42:16 -08:00
pcmcia
module_param: make bool parameters really bool (drivers & misc)
2012-01-13 09:32:20 +10:30
pm8001
[SCSI] pm80xx: fix for memory region free
2013-02-22 15:44:40 +00:00
qla2xxx
[SCSI] qla2xxx: Wait for IDC complete event to finish loopback operation.
2013-02-22 15:06:24 +00:00
qla4xxx
[SCSI] qla4xxx: don't free NULL dma pool
2013-02-22 11:24:22 +00:00
sym53c8xx_2
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
ufs
[SCSI] ufs: Separate PCI code into glue driver
2013-02-25 16:56:32 +00:00
.gitignore
…
3w-9xxx.c
new helper: file_inode(file)
2013-02-22 23:31:31 -05:00
3w-9xxx.h
Fix common misspellings
2011-03-31 11:26:23 -03:00
3w-sas.c
new helper: file_inode(file)
2013-02-22 23:31:31 -05:00
3w-sas.h
…
3w-xxxx.c
new helper: file_inode(file)
2013-02-22 23:31:31 -05:00
3w-xxxx.h
Fix common misspellings
2011-03-31 11:26:23 -03:00
53c700_d.h_shipped
Fix common misspellings
2011-03-31 11:26:23 -03:00
53c700.c
Remove all #inclusions of asm/system.h
2012-03-28 18:30:03 +01:00
53c700.h
…
53c700.scr
Fix common misspellings
2011-03-31 11:26:23 -03:00
a100u2w.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
a100u2w.h
…
a2091.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
a2091.h
…
a3000.c
scsi: Fix up files implicitly depending on module.h inclusion
2011-10-31 19:31:24 -04:00
a3000.h
…
a4000t.c
…
advansys.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
aha152x.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
aha152x.h
…
aha1542.c
treewide: Put a space between #include and FILE
2012-06-28 11:44:36 +02:00
aha1542.h
SCSI host lock push-down
2010-11-16 13:33:23 -08:00
aha1740.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
aha1740.h
…
aic7xxx_old.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
atari_NCR5380.c
[SCSI] atari_NCR5380: Provide a dummy NCR5380_exit()
2011-06-29 15:11:21 -05:00
atari_scsi.c
scsi/atari: Make more functions static
2012-04-22 20:16:49 +02:00
atari_scsi.h
scsi/atari: Make more functions static
2012-04-22 20:16:49 +02:00
atp870u.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
atp870u.h
…
BusLogic.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
BusLogic.h
SCSI host lock push-down
2010-11-16 13:33:23 -08:00
bvme6000_scsi.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
ch.c
scsi: convert to idr_alloc()
2013-02-27 19:10:18 -08:00
constants.c
[SCSI] add DID_TARGET_FAILURE and DID_NEXUS_FAILURE to hostbyte_table in constants.c
2012-09-14 11:58:53 +01:00
dc395x.c
[SCSI] dc395x: uninitialized variable in device_alloc()
2013-02-24 09:29:34 +00:00
dc395x.h
Fix common misspellings
2011-03-31 11:26:23 -03:00
dmx3191d.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
dpt_i2o.c
new helper: file_inode(file)
2013-02-22 23:31:31 -05:00
dpti.h
SCSI host lock push-down
2010-11-16 13:33:23 -08:00
dtc.c
Remove all #inclusions of asm/system.h
2012-03-28 18:30:03 +01:00
dtc.h
SCSI host lock push-down
2010-11-16 13:33:23 -08:00
eata_generic.h
…
eata_pio.c
[SCSI] remove cmd->serial_number litter
2011-05-01 10:22:40 -05:00
eata_pio.h
…
eata.c
[SCSI] remove cmd->serial_number litter
2011-05-01 10:22:40 -05:00
esp_scsi.c
scsi: Use vsprintf extention %pf with builtin_return_address
2012-04-05 17:09:40 -07:00
esp_scsi.h
…
fdomain.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
fdomain.h
…
FlashPoint.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
g_NCR5380_mmio.c
…
g_NCR5380.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
g_NCR5380.h
SCSI host lock push-down
2010-11-16 13:33:23 -08:00
gdth_ioctl.h
…
gdth_proc.c
[SCSI] gdth: Add missing call to gdth_ioctl_free
2010-12-31 09:50:09 -06:00
gdth_proc.h
…
gdth.c
[SCSI] gdth: Remove buggy ROM handling
2013-01-29 13:55:06 +11:00
gdth.h
gdt: remove unnecessary #defines
2012-09-01 08:43:34 -07:00
gvp11.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
gvp11.h
…
hosts.c
driver-core: constify data for class_find_device()
2013-02-06 12:18:56 -08:00
hpsa_cmd.h
[SCSI] hpsa: dial down lockup detection during firmware flash
2012-05-10 09:19:39 +01:00
hpsa.c
[SCSI] hpsa: check for dma_mapping_error in hpsa_passthru ioctls
2013-02-24 09:36:58 +00:00
hpsa.h
[SCSI] hpsa: dial down lockup detection during firmware flash
2012-05-10 09:19:39 +01:00
hptiop.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
hptiop.h
[SCSI] hptiop: Support HighPoint RR4520/RR4522 HBA
2012-11-27 08:59:43 +04:00
imm.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
imm.h
…
in2000.c
Remove all #inclusions of asm/system.h
2012-03-28 18:30:03 +01:00
in2000.h
SCSI host lock push-down
2010-11-16 13:33:23 -08:00
initio.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
initio.h
Fix common misspellings
2011-03-31 11:26:23 -03:00
ipr.c
[SCSI] ipr: ipr_test_msi() fails when running with msi-x enabled adapter
2013-04-06 10:30:40 +01:00
ipr.h
[SCSI] ipr: Fix oops while resetting an ipr adapter
2013-02-24 08:24:48 +00:00
ips.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
ips.h
Fix common misspellings
2011-03-31 11:26:23 -03:00
iscsi_boot_sysfs.c
switch ->is_visible() to returning umode_t
2012-01-03 22:54:55 -05:00
iscsi_tcp.c
[SCSI] iscsi_tcp: increase max_lun to ~0, don't care
2012-09-24 12:10:55 +04:00
iscsi_tcp.h
[SCSI] iscsi_tcp: use iscsi_conn_get_addr_param libiscsi function
2011-02-24 12:41:10 -05:00
jazz_esp.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
Kconfig
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2013-02-21 17:40:58 -08:00
lasi700.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
libiscsi_tcp.c
SCSI updates on 20120319
2012-03-22 12:55:29 -07:00
libiscsi.c
[SCSI] libiscsi: fix cmd timeout/completion race
2012-02-19 08:09:00 -06:00
libsrp.c
scsi: Fix up files implicitly depending on module.h inclusion
2011-10-31 19:31:24 -04:00
mac53c94.c
Remove all #inclusions of asm/system.h
2012-03-28 18:30:03 +01:00
mac53c94.h
…
mac_esp.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
mac_scsi.c
Remove all #inclusions of asm/system.h
2012-03-28 18:30:03 +01:00
mac_scsi.h
…
Makefile
[SCSI] mpt3sas: add new driver supporting 12GB SAS
2012-12-01 10:09:17 +00:00
megaraid.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
megaraid.h
megaraid: remove unnecessary #defines
2012-09-01 08:42:43 -07:00
mesh.c
Remove all #inclusions of asm/system.h
2012-03-28 18:30:03 +01:00
mesh.h
…
mvme16x_scsi.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
mvme147.c
…
mvme147.h
…
mvumi.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
mvumi.h
[SCSI] mvumi: Add support for Marvell SAS/SATA RAID-on-Chip(ROC) 88RC9580
2012-10-07 11:34:36 +01:00
ncr53c8xx.c
Remove all #inclusions of asm/system.h
2012-03-28 18:30:03 +01:00
ncr53c8xx.h
…
NCR53c406a.c
SCSI host lock push-down
2010-11-16 13:33:23 -08:00
NCR5380.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
NCR5380.h
SCSI host lock push-down
2010-11-16 13:33:23 -08:00
NCR_D700.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
NCR_D700.h
…
NCR_Q720.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
NCR_Q720.h
…
nsp32_debug.c
treewide: fix a few typos in comments
2011-05-10 10:16:21 +02:00
nsp32_io.h
…
nsp32.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
nsp32.h
Fix common misspellings
2011-03-31 11:26:23 -03:00
osst_detect.h
…
osst_options.h
…
osst.c
Remove all #inclusions of asm/system.h
2012-03-28 18:30:03 +01:00
osst.h
Fix common misspellings
2011-03-31 11:26:23 -03:00
pas16.c
Remove all #inclusions of asm/system.h
2012-03-28 18:30:03 +01:00
pas16.h
SCSI host lock push-down
2010-11-16 13:33:23 -08:00
pmcraid.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
pmcraid.h
scsi: Fix typo in pmcraid.h
2012-02-21 11:40:37 +01:00
ppa.c
SCSI host lock push-down
2010-11-16 13:33:23 -08:00
ppa.h
…
ps3rom.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
qla1280.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
qla1280.h
…
qlogicfas408.c
SCSI host lock push-down
2010-11-16 13:33:23 -08:00
qlogicfas408.h
SCSI host lock push-down
2010-11-16 13:33:23 -08:00
qlogicfas.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
qlogicpti.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
qlogicpti.h
of/device: Replace struct of_device with struct platform_device
2010-08-06 09:25:50 -06:00
raid_class.c
…
script_asm.pl
…
scsi_debug.c
[SCSI] scsi_debug: Fix off-by-one bug when unmapping region
2012-10-09 12:23:11 +01:00
scsi_devinfo.c
[SCSI] Disable DIF on Hitachi Ultrastar 15K300
2012-09-24 12:11:00 +04:00
scsi_error.c
[SCSI] Shorten the path length of scsi_cmd_to_driver()
2012-10-09 12:04:42 +01:00
scsi_ioctl.c
…
scsi_lib_dma.c
scsi: Add export.h for EXPORT_SYMBOL/THIS_MODULE as required
2011-10-31 19:31:23 -04:00
scsi_lib.c
ACPI / glue: Add .match() callback to struct acpi_bus_type
2013-03-04 14:23:40 +01:00
scsi_logging.h
…
scsi_module.c
…
scsi_netlink.c
scsi_netlink: Remove dead and buggy code
2012-09-13 16:26:39 -04:00
scsi_pm.c
[SCSI] scsi_pm: use callbacks from dev_pm_ops for scsi devices
2012-11-30 09:26:48 +00:00
scsi_priv.h
[SCSI] async: introduce 'async_domain' type
2012-07-20 09:05:54 +01:00
scsi_proc.c
scsi: fix scsi_proc new kernel-doc warning
2011-05-28 23:12:11 -07:00
scsi_sas_internal.h
…
scsi_scan.c
Merge SCSI misc branch into isci-for-3.6 tag
2012-10-02 08:55:12 +01:00
scsi_sysctl.c
…
scsi_sysfs.c
[SCSI] prevent stack buffer overflow in host_reset
2012-11-30 09:08:16 +00:00
scsi_tgt_if.c
scsi: Add export.h for EXPORT_SYMBOL/THIS_MODULE as required
2011-10-31 19:31:23 -04:00
scsi_tgt_lib.c
[SCSI] esp, scsi_tgt_lib, fcoe: use list_move() instead of list_del()/list_add() combination
2011-05-01 10:20:10 -05:00
scsi_tgt_priv.h
…
scsi_trace.c
[SCSI] scsi_trace: Decode UNMAP bit in WRITE SAME(10)
2011-05-24 12:38:36 -04:00
scsi_transport_api.h
…
scsi_transport_fc_internal.h
…
scsi_transport_fc.c
Merge branch 'for-3.6/core' of git://git.kernel.dk/linux-block
2012-08-01 09:02:41 -07:00
scsi_transport_iscsi.c
SCSI misc on 20130222
2013-02-28 12:43:43 -08:00
scsi_transport_sas.c
[SCSI] scsi_transport_sas: add 12GB definitions for mpt3sas
2012-12-01 10:08:41 +00:00
scsi_transport_spi.c
[SCSI] scsi_transport_spi: fix for unbalanced reference counting
2012-05-10 09:06:12 +01:00
scsi_transport_srp_internal.h
…
scsi_transport_srp.c
IB/srp: Allow SRP disconnect through sysfs
2012-11-30 17:40:33 -08:00
scsi_typedefs.h
…
scsi.c
[SCSI] Add a report opcode helper
2012-11-13 21:11:31 -08:00
scsi.h
…
scsicam.c
fs: move code out of buffer.c
2012-01-03 22:54:07 -05:00
sd_dif.c
[SCSI] sd: Avoid remapping bad reference tags
2012-09-24 12:10:59 +04:00
sd.c
[SCSI] sd: update sd to use the new pm callbacks
2012-11-30 09:28:34 +00:00
sd.h
[SCSI] sd: Implement support for WRITE SAME
2012-11-13 22:45:42 -08:00
ses.c
[SCSI] ses: requesting a fault indication
2011-06-29 12:14:25 -05:00
sg.c
scsi: convert to idr_alloc()
2013-02-27 19:10:18 -08:00
sgiwd93.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
sim710.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
sni_53c710.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
sr_ioctl.c
scsi: Fix up files implicitly depending on module.h inclusion
2011-10-31 19:31:24 -04:00
sr_vendor.c
…
sr.c
[libata] scsi: no poll when ODD is powered off
2013-01-25 15:36:43 -05:00
sr.h
[SCSI] sr: check_events() ignore GET_EVENT when TUR says otherwise
2011-07-21 14:15:58 -07:00
st_options.h
…
st.c
[SCSI] st: Take additional queue ref in st_probe
2013-04-06 11:14:20 +01:00
st.h
[SCSI] st: raise device limit
2012-09-14 17:59:29 +01:00
stex.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
storvsc_drv.c
SCSI for-linus on 20130301
2013-03-02 11:42:16 -08:00
sun3_NCR5380.c
[SCSI] sun3: Remove commented out merge_contiguous_buffers
2011-06-29 15:15:05 -05:00
sun3_scsi_vme.c
Remove all #inclusions of asm/system.h
2012-03-28 18:30:03 +01:00
sun3_scsi.c
Remove all #inclusions of asm/system.h
2012-03-28 18:30:03 +01:00
sun3_scsi.h
SCSI host lock push-down
2010-11-16 13:33:23 -08:00
sun3x_esp.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
sun_esp.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
sym53c416.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
sym53c416.h
SCSI host lock push-down
2010-11-16 13:33:23 -08:00
t128.c
Remove all #inclusions of asm/system.h
2012-03-28 18:30:03 +01:00
t128.h
SCSI host lock push-down
2010-11-16 13:33:23 -08:00
tmscsim.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
tmscsim.h
…
u14-34f.c
Remove all #inclusions of asm/system.h
2012-03-28 18:30:03 +01:00
ultrastor.c
Remove all #inclusions of asm/system.h
2012-03-28 18:30:03 +01:00
ultrastor.h
SCSI host lock push-down
2010-11-16 13:33:23 -08:00
virtio_scsi.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
vmw_pvscsi.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
vmw_pvscsi.h
[SCSI] vmw_pvscsi: Try setting host->max_id as suggested by the device.
2012-03-27 08:26:36 +01:00
wd33c93.c
Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6
2011-05-26 13:19:00 -07:00
wd33c93.h
SCSI host lock push-down
2010-11-16 13:33:23 -08:00
wd7000.c
Remove all #inclusions of asm/system.h
2012-03-28 18:30:03 +01:00
zalon.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00
zorro7xx.c
Drivers: scsi: remove __dev* attributes.
2013-01-03 15:57:01 -08:00