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alistair23-linux/drivers/misc
James Bottomley a89ab722c7 scsi: enclosure: Fix stale device oops with hot replug
commit 529244bd1a upstream.

Doing an add/remove/add on a SCSI device in an enclosure leads to an oops
caused by poisoned values in the enclosure device list pointers.  The
reason is because we are keeping the enclosure device across the enclosed
device add/remove/add but the current code is doing a
device_add/device_del/device_add on it.  This is the wrong thing to do in
sysfs, so fix it by not doing a device_del on the enclosure device simply
because of a hot remove of the drive in the slot.

[mkp: added missing email addresses]

Fixes: 43d8eb9cfd ("[SCSI] ses: add support for enclosure component hot removal")
Link: https://lore.kernel.org/r/1578532892.3852.10.camel@HansenPartnership.com
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Reported-by: Luo Jiaxing <luojiaxing@huawei.com>
Tested-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-01-17 19:48:42 +01:00
..
altera-stapl treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
c2port treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
cardreader misc: alcor_pci: Use dev_get_drvdata 2019-07-25 10:06:54 +02:00
cb710 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
cxl powerpc/64s/radix: introduce options to disable use of the tlbie instruction 2019-09-05 14:22:41 +10:00
echo treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 176 2019-05-30 11:29:19 -07:00
eeprom Merge branch 'i2c/for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2019-09-24 16:48:02 -07:00
genwqe Driver Core and debugfs changes for 5.3-rc1 2019-07-12 12:24:03 -07:00
habanalabs habanalabs: remove variable 'val' set but not used 2020-01-12 12:21:31 +01:00
ibmasm Merge branch 'work.mount0' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2019-07-19 10:42:02 -07:00
lis3lv02d treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 336 2019-06-05 17:37:07 +02:00
lkdtm Merge 5.3-rc7 into char-misc-next 2019-09-02 19:30:09 +02:00
mei mei: me: add comet point V device id 2019-12-04 22:30:49 +01:00
mic misc: mic: Use PTR_ERR_OR_ZERO rather than its implementation 2019-09-10 23:18:05 +01:00
ocxl ocxl: Fix potential memory leak on context creation 2020-01-12 12:21:31 +01:00
sgi-gru misc/sgi-gru: use mmu_notifier_get/put for struct gru_mm_struct 2019-08-16 12:02:59 -03:00
sgi-xp Char/Misc driver patches for 5.4-rc1 2019-09-18 11:14:31 -07:00
ti-st Driver Core and debugfs changes for 5.3-rc1 2019-07-12 12:24:03 -07:00
vmw_vmci VMCI: Release resource if the work is already queued 2019-08-28 22:57:07 +02:00
Kconfig Char/Misc driver patches for 5.4-rc1 2019-09-18 11:14:31 -07:00
Makefile Char/Misc driver patches for 5.4-rc1 2019-09-18 11:14:31 -07:00
ad525x_dpot-i2c.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 149 2019-05-30 11:25:18 -07:00
ad525x_dpot-spi.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 149 2019-05-30 11:25:18 -07:00
ad525x_dpot.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 149 2019-05-30 11:25:18 -07:00
ad525x_dpot.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 149 2019-05-30 11:25:18 -07:00
apds990x.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 336 2019-06-05 17:37:07 +02:00
apds9802als.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 167 2019-05-30 11:26:39 -07:00
atmel-ssc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
atmel_tclib.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
bh1770glc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 336 2019-06-05 17:37:07 +02:00
cs5535-mfgpt.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 206 2019-05-30 11:29:53 -07:00
ds1682.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
dummy-irq.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
enclosure.c scsi: enclosure: Fix stale device oops with hot replug 2020-01-17 19:48:42 +01:00
fastrpc.c misc: fastrpc: fix memory leak from miscdev->name 2019-12-31 16:43:58 +01:00
hmc6352.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 167 2019-05-30 11:26:39 -07:00
hpilo.c misc: hpilo: Do not claim unsupported hardware 2019-02-27 16:00:21 +01:00
hpilo.h misc: hpilo: Use SPDX-License-Identifier 2017-12-07 18:45:31 +01:00
ibmvmc.c misc: ibmvsm: Fix potential NULL pointer dereference 2019-01-18 14:14:14 +01:00
ibmvmc.h misc: IBM Virtual Management Channel Driver (VMC) 2018-05-14 16:35:42 +02:00
ics932s401.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
isl29003.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
isl29020.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 167 2019-05-30 11:26:39 -07:00
kgdbts.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
lattice-ecp3-config.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
pch_phub.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 167 2019-05-30 11:26:39 -07:00
pci_endpoint_test.c dmaengine updates for v5.3-rc1 2019-07-17 09:55:43 -07:00
phantom.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
pti.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
pvpanic.c misc: pvpanic: fix warning implicit declaration 2019-01-18 16:42:05 +01:00
qcom-coincell.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284 2019-06-05 17:36:37 +02:00
sram-exec.c misc: sram-exec: Use aligned fncpy instead of memcpy 2017-05-18 17:37:52 +02:00
sram.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 1 2019-05-21 11:28:39 +02:00
sram.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
tifm_7xx1.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
tifm_core.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
tsl2550.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
vexpress-syscfg.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
vmw_balloon.c vmw_balloon: Fix offline page marking with compaction 2019-08-28 22:57:07 +02:00
xilinx_sdfec.c misc: xilinx_sdfec: fix spelling mistake: "Schdule" -> "Schedule" 2019-08-22 14:28:10 -07:00