linux/drivers/base
Christophe JAILLET f47f758cff drivers/base/memory: fix an unlikely reference counting issue in __add_memory_block()
__add_memory_block() calls both put_device() and device_unregister() when
storing the memory block into the xarray.  This is incorrect because
xarray doesn't take an additional reference and device_unregister()
already calls put_device().

Triggering the issue looks really unlikely and its only effect should be
to log a spurious warning about a ref counted issue.

Link: https://lkml.kernel.org/r/d44c63d78affe844f020dc02ad6af29abc448fc4.1650611702.git.christophe.jaillet@wanadoo.fr
Fixes: 4fb6eabf10 ("drivers/base/memory.c: cache memory blocks in xarray to accelerate lookup")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Scott Cheloha <cheloha@linux.vnet.ibm.com>
Cc: Nathan Lynch <nathanl@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-04-28 23:16:19 -07:00
..
firmware_loader firmware_loader: EXTRA_FIRMWARE does not support compressed files 2022-02-25 12:14:42 +01:00
power Merge branches 'pm-sleep', 'pm-domains' and 'pm-docs' 2022-03-18 18:29:21 +01:00
regmap regmap: Updates for v5.18 2022-03-21 18:22:42 -07:00
test driver core: Simplify async probe test code by using ktime_ms_delta() 2021-12-29 10:57:22 +01:00
arch_numa.c mm: percpu: add generic pcpu_populate_pte() function 2022-01-20 08:52:52 +02:00
arch_topology.c arch_topology: obtain cpu capacity using information from CPPC 2022-03-10 20:21:58 +01:00
attribute_container.c driver core: attribute_container: fix W=1 warnings 2021-05-14 13:37:10 +02:00
auxiliary.c Documentation/auxiliary_bus: Move the text into the code 2021-12-03 16:41:50 +01:00
base.h software nodes: Split software_node_notify() 2021-07-16 19:17:05 +02:00
bus.c kobject: remove kset from struct kset_uevent_ops callbacks 2021-12-28 11:26:18 +01:00
cacheinfo.c cacheinfo: clear cache_leaves(cpu) in free_cache_attributes() 2021-07-21 17:29:40 +02:00
class.c block: remove genhd.h 2022-02-02 07:49:59 -07:00
component.c component: Add common helper for compare/release functions 2022-02-25 12:16:12 +01:00
container.c
core.c block: remove genhd.h 2022-02-02 07:49:59 -07:00
cpu.c sched/isolation: Use single feature type while referring to housekeeping cpumask 2022-02-16 15:57:55 +01:00
dd.c net: mdio: don't defer probe forever if PHY IRQ provider is missing 2022-04-08 14:17:55 -07:00
devcoredump.c devcoredump: remove contact information 2021-06-04 15:05:44 +02:00
devres.c devres: fix typos in comments 2022-03-18 14:30:12 +01:00
devtmpfs.c Driver core changes for 5.18-rc1 2022-03-28 12:41:28 -07:00
driver.c
firmware.c
hypervisor.c
init.c drivers/base/node: consolidate node device subsystem initialization in node_dev_init() 2022-03-22 15:57:10 -07:00
isa.c bus: Make remove callback return void 2021-07-21 11:53:42 +02:00
Kconfig devtmpfs: mount with noexec and nosuid 2021-12-30 13:54:42 +01:00
Makefile mm/memory_hotplug: remove CONFIG_MEMORY_HOTPLUG_SPARSE 2021-11-06 13:30:42 -07:00
map.c driver: base: Prefer unsigned int to bare use of unsigned 2021-07-21 17:30:09 +02:00
memory.c drivers/base/memory: fix an unlikely reference counting issue in __add_memory_block() 2022-04-28 23:16:19 -07:00
module.c
node.c drivers/base/node.c: fix compaction sysfs file leak 2022-04-28 23:16:06 -07:00
pinctrl.c
platform-msi.c platform-msi: Simplify platform device MSI code 2021-12-16 22:22:19 +01:00
platform.c platform: use dev_err_probe() in platform_get_irq_byname() 2022-02-08 12:22:07 +01:00
property.c device property: Don't split fwnode_get_irq*() APIs in the code 2022-02-14 18:57:41 +01:00
soc.c base: soc: Make soc_device_match() simpler and easier to read 2022-03-18 14:28:07 +01:00
swnode.c software node: fix wrong node passed to find nargs_prop 2021-12-22 18:26:18 +01:00
syscore.c
topology.c topology/sysfs: Add PPIN in sysfs under cpu topology 2022-02-01 16:36:42 +01:00
trace.c devres: Enable trace events 2021-06-15 17:14:36 +02:00
trace.h devres: Enable trace events 2021-06-15 17:14:36 +02:00
transport_class.c