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Andy Shevchenko 29c4a54bc6 device property: Avoid NULL pointer dereference in device_get_next_child_node() 
When we have no primary fwnode or when it's a software node, we may end up
in the situation when fwnode is a NULL pointer. There is no point to look for
secondary fwnode in such case. Add a necessary check to a condition.

Fixes: 114dbb4fa7c4 ("drivers property: When no children in primary, try secondary")
Reported-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Maxim Levitsky <mlevitsk@redhat.com>
Link: https://lore.kernel.org/r/20200716182747.54929-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-07-23 17:04:28 +02:00
..
firmware_loader
firmware_loader: change enum fw_opt to u32
2020-05-27 12:20:47 +02:00
power
PM: sleep: core: mark 2 functions as __init to save some memory
2020-06-23 17:35:33 +02:00
regmap
regmap: Fixes for v5.8
2020-07-17 09:58:18 -07:00
test
drivers: base: default KUNIT_* fragments to KUNIT_ALL_TESTS
2020-06-01 14:24:25 -06:00
arch_topology.c
arm64 updates for 5.7:
2020-03-31 10:05:01 -07:00
attribute_container.c
scsi: drivers: base: Support atomic version of attribute_container_device_trigger
2020-01-15 22:55:36 -05:00
base.h
driver core: Don't do deferred probe in parallel with kernel_init thread
2020-07-10 15:20:38 +02:00
bus.c
device.h: move 'struct bus' stuff out to device/bus.h
2019-12-16 10:11:12 +01:00
cacheinfo.c
Driver Core and debugfs changes for 5.3-rc1
2019-07-12 12:24:03 -07:00
class.c
device.h: move 'struct class' stuff out to device/class.h
2019-12-16 10:11:14 +01:00
component.c
component: Silence bind error on -EPROBE_DEFER
2020-04-28 17:54:15 +02:00
container.c
…
core.c
driver core: Avoid deferred probe due to fw_devlink_pause/resume()
2020-07-10 15:20:38 +02:00
cpu.c
x86/speculation: Add Special Register Buffer Data Sampling (SRBDS) mitigation
2020-04-20 12:19:22 +02:00
dd.c
driver core: Don't do deferred probe in parallel with kernel_init thread
2020-07-10 15:20:38 +02:00
devcon.c
Merge generic_lookup_helpers into usb-next
2019-09-03 17:11:07 +02:00
devcoredump.c
devcoredump: fix typo in comment
2019-08-15 17:38:11 +02:00
devres.c
drivers/base/devres: introduce devm_release_action()
2019-06-13 17:34:56 -10:00
devtmpfs.c
Merge branch 'merge.nfs-fs_parse.1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-02-08 13:26:41 -08:00
driver.c
device.h: move 'struct driver' stuff out to device/driver.h
2019-12-16 10:11:16 +01:00
firmware.c
…
hypervisor.c
…
init.c
…
isa.c
…
Kconfig
drivers: base: default KUNIT_* fragments to KUNIT_ALL_TESTS
2020-06-01 14:24:25 -06:00
Makefile
…
map.c
…
memory.c
drivers/base/memory.c: cache memory blocks in xarray to accelerate lookup
2020-06-03 20:09:49 -07:00
module.c
…
node.c
Merge branch 'akpm' (patches from Andrew)
2020-06-02 12:21:36 -07:00
pinctrl.c
…
platform-msi.c
platform-msi: Fix typos in comment
2020-05-18 10:28:30 +01:00
platform.c
Driver core patches for 5.8-rc1
2020-06-07 10:53:36 -07:00
property.c
device property: Avoid NULL pointer dereference in device_get_next_child_node()
2020-07-23 17:04:28 +02:00
soc.c
driver/base/soc: Use kobj_to_dev() API
2020-04-28 21:05:42 +02:00
swnode.c
Driver core patches for 5.8-rc1
2020-06-07 10:53:36 -07:00
syscore.c
treewide: Switch printk users from %pf and %pF to %ps and %pS, respectively
2019-04-09 14:19:06 +02:00
topology.c
topology: Create core_cpus and die_cpus sysfs attributes
2019-05-23 10:08:34 +02:00
transport_class.c
scsi: drivers: base: Propagate errors through the transport component
2020-01-15 22:55:37 -05:00