microsoft
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WSL2-Linux-Kernel
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WSL2-Linux-Kernel/drivers
История
Nishanth Menon 2ba546ebe0
regulator: ti-abb: Fix array out of bound read access on the first transition 
At the start of driver initialization, we do not know what bias
setting the bootloader has configured the system for and we only know
for certain the very first time we do a transition.

However, since the initial value of the comparison index is -EINVAL,
this negative value results in an array out of bound access on the
very first transition.

Since we don't know what the setting is, we just set the bias
configuration as there is nothing to compare against. This prevents
the array out of bound access.

NOTE: Even though we could use a more relaxed check of "< 0" the only
valid values(ignoring cosmic ray induced bitflips) are -EINVAL, 0+.

Fixes: 40b1936efe ("regulator: Introduce TI Adaptive Body Bias(ABB) on-chip LDO driver")
Link: https://lore.kernel.org/linux-mm/CA+G9fYuk4imvhyCN7D7T6PMDH6oNp6HDCRiTUKMQ6QXXjBa4ag@mail.gmail.com/
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Nishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/20201118145009.10492-1-nm@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
 		2020-11-18 17:59:24 +00:00
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accessibility
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acpi More ACPI updates for 5.10-rc1 2020-10-23 16:38:36 -07:00
amba
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android task_work: cleanup notification modes 2020-10-17 15:05:30 -06:00
ata Merge branch 'parisc-5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux 2020-10-25 10:59:34 -07:00
atm
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auxdisplay
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base More power management updates for 5.10-rc1 2020-10-23 16:27:03 -07:00
bcma
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block xen: branch for v5.10-rc1c 2020-10-25 10:55:35 -07:00
bluetooth networking changes for the 5.10 merge window 2020-10-15 18:42:13 -07:00
bus ARM: SoC-related driver updates 2020-10-24 10:39:22 -07:00
cdrom
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char random32: make prandom_u32() output unpredictable 2020-10-24 20:21:57 +02:00
clk treewide: Convert macro and uses of __section(foo) to __section("foo") 2020-10-25 14:51:49 -07:00
clocksource treewide: Convert macro and uses of __section(foo) to __section("foo") 2020-10-25 14:51:49 -07:00
connector
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counter
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cpufreq ARM: SoC-related driver updates 2020-10-24 10:39:22 -07:00
cpuidle powerpc updates for 5.10 2020-10-16 12:21:15 -07:00
crypto s390 updates for the 5.10 merge window 2020-10-16 12:36:38 -07:00
dax fuse update for 5.10 2020-10-19 14:28:30 -07:00
dca
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devfreq
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dio
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dma ARM: SoC-related driver updates 2020-10-24 10:39:22 -07:00
dma-buf dma-mapping updates for 5.10 2020-10-15 14:43:29 -07:00
edac EFI changes for v5.10: 2020-10-12 13:26:49 -07:00
eisa
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extcon
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firewire
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firmware ARM: SoC-related driver updates 2020-10-24 10:39:22 -07:00
fpga
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fsi
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gnss
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gpio - New Drivers 2020-10-14 15:56:58 -07:00
gpu ARM: SoC-related driver updates 2020-10-24 10:39:22 -07:00
greybus
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hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2020-10-23 16:16:31 -07:00
hsi
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hv Merge branch 'akpm' (patches from Andrew) 2020-10-16 11:31:55 -07:00
hwmon ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
hwspinlock
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hwtracing intel_th: pci: Add Alder Lake CPU support 2020-10-05 12:43:54 +02:00
i2c i2c: core: Restore acpi_walk_dep_device_list() getting called after registering the ACPI i2c devs 2020-10-25 13:33:54 +01:00
i3c * Fix DAA for the pre-reserved address case 2020-10-17 11:01:01 -07:00
ide block-5.10-2020-10-12 2020-10-13 12:12:44 -07:00
idle intel_idle: Ignore _CST if control cannot be taken from the platform 2020-10-16 17:28:32 +02:00
iio chrome platform changes for 5.10 2020-10-23 10:54:13 -07:00
infiniband RDMA 5.10 pull request 2020-10-17 11:18:18 -07:00
input Merge branch 'parisc-5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux 2020-10-25 10:59:34 -07:00
interconnect
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iommu IOMMU Fix for Linux v5.10: 2020-10-20 09:35:06 -07:00
ipack
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irqchip treewide: Convert macro and uses of __section(foo) to __section("foo") 2020-10-25 14:51:49 -07:00
isdn
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leds leds: pwm: Remove platform_data support 2020-10-07 12:02:58 +02:00
lightnvm lightnvm: fix out-of-bounds write to array devices->info[] 2020-10-16 09:28:45 -06:00
macintosh powerpc updates for 5.10 2020-10-16 12:21:15 -07:00
mailbox ARM: SoC-related driver updates 2020-10-24 10:39:22 -07:00
mcb
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md - Improve DM core's bio splitting to use blk_max_size_offset(). Also 2020-10-14 15:05:38 -07:00
media dma-mapping updates for 5.10 2020-10-15 14:43:29 -07:00
memory ARM: SoC-related driver updates 2020-10-24 10:39:22 -07:00
memstick
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message SCSI misc on 20201013 2020-10-14 15:15:35 -07:00
mfd - New Drivers 2020-10-14 15:56:58 -07:00
misc pci-v5.10-changes 2020-10-22 12:41:00 -07:00
mmc ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
most
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mtd This pull request contains fixes for UBI and UBIFS 2020-10-18 09:56:50 -07:00
mux
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net Fixes for 5.10-rc1 from the networking tree: 2020-10-23 12:05:49 -07:00
nfc nfc: remove unneeded break 2020-10-20 10:36:41 -07:00
ntb Bug fixes for v5.10 2020-10-25 11:12:31 -07:00
nubus
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nvdimm mm/memremap_pages: support multiple ranges per invocation 2020-10-13 18:38:28 -07:00
nvme nvme-fc: shorten reconnect delay if possible for FC 2020-10-23 12:54:45 +02:00
nvmem
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of treewide: Convert macro and uses of __section(foo) to __section("foo") 2020-10-25 14:51:49 -07:00
opp Merge branch 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm 2020-10-06 12:26:45 +02:00
oprofile
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parisc dma-mapping: split <linux/dma-mapping.h> 2020-10-06 07:07:03 +02:00
parport
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pci VFIO updates for v5.10-rc1 2020-10-22 13:00:44 -07:00
pcmcia
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perf
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phy pci-v5.10-changes 2020-10-22 12:41:00 -07:00
pinctrl Pin control bulk changes for the v5.10 kernel cycle 2020-10-14 15:25:04 -07:00
platform Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2020-10-23 16:16:31 -07:00
pnp PNP: remove the now unused pnp_find_card() function 2020-10-08 18:00:08 +02:00
power ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
powercap powercap: Fix typo in Kconfig "Plance" -> "Plane" 2020-10-19 17:40:53 +02:00
pps
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ps3
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ptp
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pwm ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
rapidio rapidio: fix the missed put_device() for rio_mport_add_riodev 2020-10-16 11:11:22 -07:00
ras
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regulator regulator: ti-abb: Fix array out of bound read access on the first transition 2020-11-18 17:59:24 +00:00
remoteproc remoteproc updates for v5.10 2020-10-22 12:56:33 -07:00
reset ARM: SoC-related driver updates 2020-10-24 10:39:22 -07:00
rpmsg rpmsg updates for 5.10 2020-10-22 12:58:21 -07:00
rtc RTC for 5.10 2020-10-21 11:22:08 -07:00
s390 s390 updates for the 5.10 merge window 2020-10-16 12:36:38 -07:00
sbus
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scsi block-5.10-2020-10-24 2020-10-24 12:46:42 -07:00
sfi
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sh
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siox
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slimbus
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soc ARM: Devicetree updates 2020-10-24 10:44:18 -07:00
soundwire
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spi ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
spmi
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ssb
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staging mm: remove kzfree() compatibility definition 2020-10-25 11:39:02 -07:00
target SCSI misc on 20201023 2020-10-23 16:19:02 -07:00
tc
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tee
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thermal treewide: Convert macro and uses of __section(foo) to __section("foo") 2020-10-25 14:51:49 -07:00
thunderbolt
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tty ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
uio
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usb ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
vdpa vhost,vdpa,virtio: cleanups, fixes 2020-10-23 11:00:57 -07:00
vfio VFIO updates for v5.10-rc1 2020-10-22 13:00:44 -07:00
vhost vhost_vdpa: remove unnecessary spin_lock in vhost_vring_call 2020-10-21 10:48:10 -04:00
video ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
virt
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virtio vhost,vdpa,virtio: cleanups, fixes 2020-10-23 11:00:57 -07:00
visorbus
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vlynq
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vme
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w1 w1: w1_therm: make w1_poll_completion static 2020-10-05 14:49:24 +02:00
watchdog ARM: SoC platform updates 2020-10-24 10:33:08 -07:00
xen xen: branch for v5.10-rc1c 2020-10-25 10:55:35 -07:00
zorro
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Kconfig
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Makefile
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