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Alexander Usyskin e852c2c251 mei: bus: don't clean driver pointer 
It's not needed to set driver to NULL in mei_cl_device_remove()
which is bus_type remove() handler as this is done anyway
in __device_release_driver().

Actually this is causing an endless loop in driver_detach()
on ubuntu patched kernel, while removing (rmmod) the mei_hdcp module.
The reason list_empty(&drv->p->klist_devices.k_list) is always not-empty.
as the check is always true in  __device_release_driver()
	if (dev->driver != drv)
		return;

The non upstream patch is causing this behavior, titled:
'vfio -- release device lock before userspace requests'

Nevertheless the fix is correct also for the upstream.

Link: https://patchwork.ozlabs.org/project/ubuntu-kernel/patch/20180912085046.3401-2-apw@canonical.com/
Cc: <stable@vger.kernel.org>
Cc: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20200628225359.2185929-1-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2020-06-29 19:10:51 +02:00
..
altera-stapl altera-stapl: altera_get_note: prevent write beyond end of 'key' 2020-03-03 08:02:57 +01:00
c2port treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
cardreader Char/Misc driver patches for 5.8-rc1 2020-06-07 10:59:32 -07:00
cb710 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
cxl mmap locking API: convert mmap_sem comments 2020-06-09 09:39:14 -07:00
echo treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
eeprom Linux 5.6-rc7 2020-03-26 12:09:58 +01:00
genwqe mm: introduce include/linux/pgtable.h 2020-06-09 09:39:13 -07:00
habanalabs habanalabs: increase h/w timer when checking idle 2020-06-24 12:35:23 +03:00
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 lis3lv02d: switch to using input device polling mode 2019-10-10 15:24:19 +02:00
lkdtm lkdtm: bugs: Fix spelling mistake 2020-04-23 16:30:09 +02:00
mei mei: bus: don't clean driver pointer 2020-06-29 19:10:51 +02:00
mic virtio: features, fixes 2020-06-10 13:42:09 -07:00
ocxl ocxl: Fix misleading comment 2020-05-20 23:39:57 +10:00
sgi-gru mmap locking API: convert mmap_sem comments 2020-06-09 09:39:14 -07:00
sgi-xp sgi-xp: make some symbols static in xpc_main.c 2020-04-23 16:55:23 +02:00
ti-st drivers/misc: ti-st: remove redundant assignment to variables i and flags 2020-01-14 15:16:51 +01:00
uacce uacce: Remove mm_exit() op 2020-05-29 14:52:53 +02:00
vmw_vmci vmci_host: get rid of pointless access_ok() 2020-05-29 11:06:38 -04:00
Kconfig treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
Makefile bus: vexpress-config: Merge vexpress-syscfg into vexpress-config 2020-05-13 12:42:46 -05:00
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 misc: atmel-ssc: lock with mutex instead of spinlock 2020-06-29 19:10:51 +02:00
atmel_tclib.c misc: atmel_tclib: use devm_platform_ioremap_resource() to simplify code 2019-10-10 15:24:19 +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 2020-01-10 01:38:40 -05:00
fastrpc.c misc: fastrpc: fix potential fastrpc_invoke_ctx leak 2020-05-15 16:21:08 +02:00
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: Use the correct style for SPDX License Identifier 2019-10-10 15:34:40 +02:00
ibmvmc.c
…
ibmvmc.h misc: Use the correct style for SPDX License Identifier 2019-10-10 15:34:40 +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 misc: isl29020: add missed pm_runtime_disable 2020-01-14 15:06:07 +01:00
kgdbts.c maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault 2020-06-17 10:57:41 -07:00
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 misc: pci_endpoint_test: Add Device ID for RZ/G2E PCIe controller 2020-05-19 16:46:12 +02:00
phantom.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
pti.c Char/Misc driver changes for 5.6-rc1 2020-01-29 10:35:54 -08:00
pvpanic.c misc: pvpanic: add crash loaded event 2020-01-14 15:07:37 +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 drivers/misc: sram-exec: have the callers of set_memory_*() check the return value 2020-01-14 15:06:06 +01:00
sram.c misc: sram: use devm_platform_ioremap_resource_wc() 2019-11-05 18:32:47 +01:00
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 misc: tsl2550: remove redundant initialization to variable r 2020-01-14 15:16:51 +01:00
vmw_balloon.c vmw_balloon: Explicitly include linux/io.h for virt_to_phys() 2019-12-10 10:15:48 +01:00
xilinx_sdfec.c misc: xilinx-sdfec: convert get_user_pages() --> pin_user_pages() 2020-05-27 11:09:26 +02:00