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8d58881b995904bf8b150dae69be0829f832e7be
linux-apfs/drivers/scsi
T
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Bart Van Assche 8d58881b99 scsi: Avoid that toggling use_blk_mq triggers a memory leak 
This patch avoids that the following memory leak is triggered if
use_blk_mq is disabled after a SCSI host has been allocated by the
ib_srp driver and before the same SCSI host is freed:

unreferenced object 0xffff8803a168c568 (size 256):
  backtrace:
    [<ffffffff81620c95>] kmemleak_alloc+0x45/0xa0
    [<ffffffff811bb104>] __kmalloc_node+0x1e4/0x400
    [<ffffffff81309fe4>] blk_mq_alloc_tag_set+0xb4/0x230
    [<ffffffff814731b7>] scsi_mq_setup_tags+0xc7/0xd0
    [<ffffffff81469c26>] scsi_add_host_with_dma+0x216/0x2d0
    [<ffffffffa064bef5>] srp_create_target+0xe55/0x13d0 [ib_srp]
    [<ffffffff8143ce23>] dev_attr_store+0x13/0x20
    [<ffffffff8125f030>] sysfs_kf_write+0x40/0x50
    [<ffffffff8125e397>] kernfs_fop_write+0x137/0x1c0
    [<ffffffff811d8c13>] __vfs_write+0x23/0x140
    [<ffffffff811d92e0>] vfs_write+0xb0/0x190
    [<ffffffff811da5b4>] SyS_write+0x44/0xa0
    [<ffffffff8162c8a5>] entry_SYSCALL_64_fastpath+0x18/0xa8

Fixes: 9aa9cc4221 ("scsi: remove the disable_blk_mq host flag")
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: <stable@vger.kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2016-09-26 20:58:42 -04:00
..
aacraid
aacraid: Check size values after double-fetch from user
2016-08-08 21:34:02 -04:00
aic7xxx
aic7xxx: Fix queue depth handling
2016-02-23 21:27:02 -05:00
aic94xx
treewide: Fix typos in printk
2016-04-18 11:23:24 +02:00
arcmsr
arcmsr: change driver version to v1.30.00.22-20151126
2015-11-30 18:51:20 -05:00
arm
scsi: rename SCSI_MAX_{SG, SG_CHAIN}_SEGMENTS
2016-04-15 16:53:14 -04:00
be2iscsi
Merge branch 'fixes' into misc
2016-03-15 15:24:44 -07:00
bfa
scripts/spelling.txt: add "fimware" misspelling
2016-05-19 19:12:14 -07:00
bnx2fc
fcoe: use enum for fip_mode
2016-07-13 22:05:28 -04:00
bnx2i
bnx2i: fix spelling mistake "complection" -> "completion"
2016-07-12 23:16:31 -04:00
csiostor
scsi: use host wide tags by default
2015-11-09 17:11:57 -08:00
cxgbi
cxgbi: fix uninitialized flowi6
2016-04-25 16:20:49 -04:00
cxlflash
cxlflash: Verify problem state area is mapped before notifying shutdown
2016-07-27 00:32:06 -04:00
device_handler
Merge branch 'fixes' into misc
2016-05-17 21:12:50 -04:00
dpt
…
esas2r
scsi: rename SCSI_MAX_{SG, SG_CHAIN}_SEGMENTS
2016-04-15 16:53:14 -04:00
fcoe
fcoe: Use kfree_skb() instead of kfree()
2016-08-04 21:29:02 -04:00
fnic
fnic: pci_dma_mapping_error() doesn't return an error code
2016-07-20 20:49:17 -04:00
hisi_sas
hisi_sas: update driver version to 1.5
2016-07-12 23:16:31 -04:00
ibmvscsi
ibmvfc: prevent a potential deadlock
2016-07-15 15:13:52 -04:00
isci
Merge branch 'for-4.7-zac' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
2016-05-23 17:53:39 -07:00
libfc
libfc: sanity check cpu number extracted from xid
2016-07-13 21:49:57 -04:00
libsas
scsi:libsas: fix oops caused by assigning a freed task to ->lldd_task
2016-07-20 20:53:35 -04:00
lpfc
lpfc: Fix possible NULL pointer dereference
2016-08-02 01:16:28 -04:00
megaraid
megaraid_sas: Fix probing cards without io port
2016-08-10 22:28:54 -04:00
mpt3sas
mpt3sas: Fix resume on WarpDrive flash cards
2016-08-12 16:11:57 -04:00
mvsas
libata/libsas: Define ATA_CMD_NCQ_NON_DATA
2016-05-09 12:36:44 -04:00
osd
osd: remove deadcode
2016-02-25 21:11:42 -05:00
pcmcia
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
pm8001
pm8001: fix typo
2016-07-12 23:16:31 -04:00
qla2xxx
qla2xxx: Update driver version to 8.07.00.38-k
2016-07-15 15:35:52 -04:00
qla4xxx
scsi: qla4xxx: shut up warning for rd_reg_indirect
2016-02-23 21:27:02 -05:00
snic
snic: Fix use-after-free in case of a dma mapping error
2016-07-12 23:16:31 -04:00
sym53c8xx_2
…
ufs
scsi: ufs: remove unnecessary goto label
2016-07-15 15:44:45 -04:00
.gitignore
…
3w-9xxx.c
3w-9xxx: don't unmap bounce buffered commands
2015-10-07 10:24:48 -07:00
3w-9xxx.h
3w-9xxx: fix command completion race
2015-04-27 10:10:19 -07:00
3w-sas.c
3w-sas: fix command completion race
2015-04-27 10:04:39 -07:00
3w-sas.h
3w-sas: fix command completion race
2015-04-27 10:04:39 -07:00
3w-xxxx.c
3w-xxxx: Pass through compat mode ioctls
2016-01-08 12:51:03 -05:00
3w-xxxx.h
3w-xxxx: fix command completion race
2015-04-27 10:05:55 -07:00
53c700_d.h_shipped
…
53c700.c
scsi: remove current_cmnd field from struct scsi_device
2016-07-13 22:33:23 -04:00
53c700.h
scsi: remove current_cmnd field from struct scsi_device
2016-07-13 22:33:23 -04:00
53c700.scr
…
a100u2w.c
scsi: a100u2w: trivial typo in printk
2015-08-07 15:03:42 +02:00
a100u2w.h
…
a2091.c
…
a2091.h
…
a3000.c
…
a3000.h
…
a4000t.c
…
advansys.c
Merge branch 'mkp-fixes' into fixes
2015-12-03 09:32:33 -08:00
aha152x.c
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
aha152x.h
…
aha1542.c
scsi: aha1542: avoid uninitialized variable warnings
2016-02-23 21:27:02 -05:00
aha1542.h
aha1542: fix include guard and remove useless changelog
2015-04-09 18:08:31 -07:00
aha1740.c
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
aha1740.h
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
am53c974.c
am53c974: Fix crash during modprobe
2015-04-17 10:13:56 -07:00
atari_scsi.c
atari_scsi: Allow can_queue to be increased for Falcon
2016-04-11 16:57:09 -04:00
atp870u.c
atp870u: Introduce atp870_init()
2015-11-25 22:08:55 -05:00
atp870u.h
atp870u: Remove scam_on from struct atp_unit
2015-11-25 22:08:52 -05:00
BusLogic.c
…
BusLogic.h
…
bvme6000_scsi.c
…
ch.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2015-04-14 09:50:27 -07:00
constants.c
scsi: fix upper bounds check of sense key in scsi_sense_key_string()
2016-08-16 00:49:32 -04:00
dc395x.c
…
dc395x.h
…
dmx3191d.c
ncr5380: Remove DONT_USE_INTR and AUTOPROBE_IRQ macros
2016-04-11 16:57:09 -04:00
dpt_i2o.c
dpt_i2o: fix build warning
2016-02-23 21:27:02 -05:00
dpti.h
…
dtc.c
ncr5380: Remove DONT_USE_INTR and AUTOPROBE_IRQ macros
2016-04-11 16:57:09 -04:00
dtc.h
ncr5380: Merge DMA implementation from atari_NCR5380 core driver
2016-04-11 16:57:09 -04:00
eata_generic.h
…
eata_pio.c
eata_pio: missing break statement
2016-05-10 22:01:07 -04:00
eata_pio.h
…
eata.c
…
esp_scsi.c
scsi: use host wide tags by default
2015-11-09 17:11:57 -08:00
esp_scsi.h
…
fdomain.c
scsi: fdomain: drop fdomain_pci_tbl when built-in
2016-02-23 21:27:02 -05:00
fdomain.h
…
FlashPoint.c
FlashPoint: fix build warning
2015-11-09 16:32:14 -08:00
g_NCR5380_mmio.c
…
g_NCR5380.c
ncr5380: Update usage documentation
2016-04-11 16:57:09 -04:00
g_NCR5380.h
ncr5380: Merge DMA implementation from atari_NCR5380 core driver
2016-04-11 16:57:09 -04:00
gdth_ioctl.h
…
gdth_proc.c
gdth: replace struct timeval with ktime_get_real_seconds()
2016-02-25 21:16:49 -05:00
gdth_proc.h
…
gdth.c
gdth: replace struct timeval with ktime_get_real_seconds()
2016-02-25 21:16:49 -05:00
gdth.h
…
gvp11.c
…
gvp11.h
…
hosts.c
scsi: Avoid that toggling use_blk_mq triggers a memory leak
2016-09-26 20:58:42 -04:00
hpsa_cmd.h
hpsa: update copyright information
2016-02-23 21:27:02 -05:00
hpsa.c
hpsa: change hpsa_passthru_ioctl timeout
2016-07-15 15:40:54 -04:00
hpsa.h
hpsa: correct handling of HBA device removal
2016-04-29 19:08:24 -04:00
hptiop.c
hptiop: Support HighPoint RR36xx HBAs and Support SAS tape and SAS media changer
2015-08-12 13:14:57 -07:00
hptiop.h
hptiop: Support HighPoint RR36xx HBAs and Support SAS tape and SAS media changer
2015-08-12 13:14:57 -07:00
imm.c
imm: check parport_claim
2016-02-25 21:10:53 -05:00
imm.h
…
in2000.c
…
in2000.h
…
initio.c
SCSI: initio: remove duplicate module device table
2015-11-20 11:39:03 -05:00
initio.h
…
ipr.c
ipr: Fix sync scsi scan
2016-08-10 22:48:16 -04:00
ipr.h
ipr: Wait to do async scan until scsi host is initialized
2016-07-27 00:32:07 -04:00
ips.c
ips: remove pointless #warning
2015-06-02 17:24:54 -07:00
ips.h
…
iscsi_boot_sysfs.c
ibft: Expose iBFT acpi header via sysfs
2016-05-16 11:14:29 -04:00
iscsi_tcp.c
scsi_tcp: block BH in TCP callbacks
2016-05-19 11:36:49 -07:00
iscsi_tcp.h
iscsi_tcp: Use ahash
2016-01-27 20:36:10 +08:00
jazz_esp.c
…
Kconfig
scsi: ultrastor.c depends on ISA_DMA_API
2016-07-12 23:16:31 -04:00
lasi700.c
…
libiscsi_tcp.c
iscsi_tcp: Use ahash
2016-01-27 20:36:10 +08:00
libiscsi.c
libiscsi: Remove set-but-not-used variables
2016-04-11 16:57:09 -04:00
mac53c94.c
PCI: Remove includes of asm/pci-bridge.h
2016-02-05 16:29:28 -06:00
mac53c94.h
…
mac_esp.c
…
mac_scsi.c
mac_scsi: Fix pseudo DMA implementation
2016-04-11 16:57:09 -04:00
Makefile
hisi_sas: Add initial bare main driver
2015-11-25 22:12:51 -05:00
megaraid.c
megaraid : use dev_printk when possible
2015-08-26 07:23:04 -07:00
megaraid.h
…
mesh.c
PCI: Remove includes of asm/pci-bridge.h
2016-02-05 16:29:28 -06:00
mesh.h
…
mvme16x_scsi.c
…
mvme147.c
…
mvme147.h
…
mvumi.c
scsi: mvumi: use __maybe_unused to hide pm functions
2016-03-05 17:07:46 -05:00
mvumi.h
…
ncr53c8xx.c
…
ncr53c8xx.h
…
NCR53c406a.c
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
NCR5380.c
ncr5380: Call complete_cmd() for disconnected commands on bus reset
2016-04-11 16:57:09 -04:00
NCR5380.h
mac_scsi: Fix pseudo DMA implementation
2016-04-11 16:57:09 -04:00
NCR_D700.c
…
NCR_D700.h
…
NCR_Q720.c
…
NCR_Q720.h
…
nsp32_debug.c
…
nsp32_io.h
…
nsp32.c
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
nsp32.h
…
osst_detect.h
…
osst_options.h
…
osst.c
…
osst.h
…
pas16.c
ncr5380: Remove DONT_USE_INTR and AUTOPROBE_IRQ macros
2016-04-11 16:57:09 -04:00
pas16.h
ncr5380: Merge DMA implementation from atari_NCR5380 core driver
2016-04-11 16:57:09 -04:00
pmcraid.c
Merge tag '4.4-scsi-mkp' into misc
2015-11-12 07:06:18 -05:00
pmcraid.h
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ppa.c
scsi: ppa: use new parport device model
2016-02-23 21:27:02 -05:00
ppa.h
…
ps3rom.c
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
qla1280.c
qla1280: Don't allocate 512kb of host tags
2016-04-30 09:25:26 -07:00
qla1280.h
…
qlogicfas408.c
…
qlogicfas408.h
…
qlogicfas.c
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
qlogicpti.c
qlogicpti: Return correct error code
2016-03-01 20:06:49 -05:00
qlogicpti.h
…
raid_class.c
…
script_asm.pl
…
scsi_common.c
scsi: add scsi_set_sense_field_pointer()
2016-04-04 12:07:42 -04:00
scsi_debug.c
scsi_debug: fix sleep in invalid context
2016-07-12 23:16:31 -04:00
scsi_devinfo.c
scsi: blacklist all RDAC devices for BLIST_NO_ULD_ATTACH
2016-08-16 00:58:13 -04:00
scsi_dh.c
scsi_dh: move 'dh_state' sysfs attribute to generic code
2015-12-02 16:29:19 -05:00
scsi_error.c
Merge remote-tracking branch 'mkp-scsi/4.7/scsi-fixes' into fixes
2016-06-18 11:59:01 -07:00
scsi_ioctl.c
…
scsi_lib_dma.c
…
scsi_lib.c
scsi_lib: correctly retry failed zero length REQ_TYPE_FS commands
2016-05-22 14:52:45 -04:00
scsi_logging.c
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scsi_logging.h
…
scsi_module.c
…
scsi_netlink.c
…
scsi_pm.c
scsi: Set request queue runtime PM status back to active on resume
2016-02-19 10:52:45 -05:00
scsi_priv.h
scsi: Avoid that toggling use_blk_mq triggers a memory leak
2016-09-26 20:58:42 -04:00
scsi_proc.c
scsi: disable automatic target scan
2016-04-11 16:57:09 -04:00
scsi_sas_internal.h
scsi_transport_sas: add 'scsi_target_id' sysfs attribute
2016-03-14 21:05:04 -04:00
scsi_scan.c
scsi: Add intermediate STARGET_REMOVE state to scsi_target_state
2016-04-15 16:51:53 -04:00
scsi_sysctl.c
…
scsi_sysfs.c
Revert "scsi: fix soft lockup in scsi_remove_target() on module removal"
2016-04-15 16:53:07 -04:00
scsi_trace.c
scsi-trace: define ZBC_IN and ZBC_OUT
2016-04-11 16:57:09 -04:00
scsi_transport_api.h
…
scsi_transport_fc.c
scsi_transport_fc: Unexport scsi_is_fc_vport()
2016-04-11 16:57:09 -04:00
scsi_transport_iscsi.c
scsi_transport_iscsi: Declare local symbols static
2016-04-11 16:57:09 -04:00
scsi_transport_sas.c
scsi: sas: remove is_sas_attached()
2016-08-18 22:23:20 -04:00
scsi_transport_spi.c
[SCSI] Fix printk typos in drivers/scsi
2015-08-07 14:28:45 +02:00
scsi_transport_srp.c
IB/srp: Avoid using uninitialized variable
2015-07-14 13:20:09 -04:00
scsi_typedefs.h
…
scsi.c
scsi: Avoid that toggling use_blk_mq triggers a memory leak
2016-09-26 20:58:42 -04:00
scsi.h
…
scsicam.c
…
sd_dif.c
block: Consolidate static integrity profile properties
2015-10-21 14:42:38 -06:00
sd.c
sd: Fix rw_max for devices that report an optimal xfer size
2016-06-01 22:07:47 -04:00
sd.h
sd: Fix rw_max for devices that report an optimal xfer size
2016-06-01 22:07:47 -04:00
sense_codes.h
scsi: move Additional Sense Codes to separate file
2016-04-11 16:57:09 -04:00
ses.c
scsi: ses: use scsi_is_sas_rphy instead of is_sas_attached
2016-08-18 22:22:19 -04:00
sg.c
sg: fix dxferp in from_to case
2016-03-14 15:50:25 -04:00
sgiwd93.c
…
sim710.c
scsi: sim710: fix build warning
2016-02-23 21:27:02 -05:00
sni_53c710.c
…
sr_ioctl.c
…
sr_vendor.c
…
sr.c
SCSI: fix crashes in sd and sr runtime PM
2016-01-26 17:24:16 -08:00
sr.h
…
st_options.h
…
st.c
st: clear ILI if Medium Error
2016-04-25 22:08:16 -04:00
st.h
st: Remove obsolete scsi_tape.max_pfn
2015-11-18 11:59:09 -05:00
stex.c
stex: Add S3/S4 support
2016-02-23 21:27:02 -05:00
storvsc_drv.c
scsi: storvsc: Filter out storvsc messages CD-ROM medium not present
2016-07-12 23:16:31 -04:00
sun3_scsi_vme.c
…
sun3_scsi.c
ncr5380: Remove disused atari_NCR5380.c core driver
2016-04-11 16:57:09 -04:00
sun3_scsi.h
…
sun3x_esp.c
arch, drivers: don't include <asm/io.h> directly, use <linux/io.h> instead
2015-08-10 23:07:05 -04:00
sun_esp.c
…
sym53c416.c
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
sym53c416.h
…
t128.c
ncr5380: Remove DONT_USE_INTR and AUTOPROBE_IRQ macros
2016-04-11 16:57:09 -04:00
t128.h
ncr5380: Merge DMA implementation from atari_NCR5380 core driver
2016-04-11 16:57:09 -04:00
u14-34f.c
…
ultrastor.c
…
ultrastor.h
…
virtio_scsi.c
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2015-07-23 13:07:04 -07:00
vmw_pvscsi.c
vmw_pvscsi: Change to update maintainer details (name, email)
2016-07-12 23:16:31 -04:00
vmw_pvscsi.h
vmw_pvscsi: Change to update maintainer details (name, email)
2016-07-12 23:16:31 -04:00
wd33c93.c
…
wd33c93.h
…
wd719x.c
[SCSI] Fix printk typos in drivers/scsi
2015-08-07 14:28:45 +02:00
wd719x.h
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
wd7000.c
scsi: wd7000: print sector number as 64-bit
2016-07-12 23:16:31 -04:00
xen-scsifront.c
xen: Use correctly the Xen memory terminologies
2015-09-08 18:03:49 +01:00
zalon.c
…
zorro7xx.c
…