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bc19909f19fdc8253d720d11c948935786fbfa08
linux/drivers
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Nicholas Kazlauskas bc19909f19 drm/amd/display: Guard against ddc_pin being NULL for AUX 
[Why]
In the case where we don't support DMUB aux but we have DPIA links
in the configuration we might try to message AUX using the legacy
path - where DDC pin is NULL. This causes a NULL pointer dereference.

[How]
Guard against NULL DDC pin, return a failure for aux engine acquire.

Reviewed-by: Michael Strauss <Michael.Strauss@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-07-05 16:13:27 -04:00
..
accessibility
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acpi
Revert "ACPI: processor: idle: fix lockup regression on 32-bit ThinkPad T40"
2022-04-21 19:58:14 +02:00
amba
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android
binder: Gracefully handle BINDER_TYPE_FDA objects with num_fds=0
2022-04-22 17:22:51 +02:00
ata
ata: pata_marvell: Check the 'bmdma_addr' beforing reading
2022-04-22 08:45:06 +09:00
atm
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2022-03-17 13:56:58 -07:00
auxdisplay
auxdisplay: lcd2s: Use array size explicitly in lcd2s_gotoxy()
2022-03-18 20:31:14 +01:00
base
Merge tag 'driver-core-5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2022-04-30 10:24:21 -07:00
bcma
Merge tag 'mtd/changes-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
2022-03-25 13:35:34 -07:00
block
floppy: disable FDRAWCMD by default
2022-04-27 09:41:54 -07:00
bluetooth
Bluetooth: ath3k: remove superfluous header files
2022-03-18 17:12:09 +01:00
bus
Merge tag 'irq_urgent_for_v5.18_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2022-05-01 09:30:47 -07:00
cdrom
cdrom: remove unused variable
2022-04-06 08:47:52 -06:00
char
random: document crng_fast_key_erasure() destination possibility
2022-04-25 17:26:40 +02:00
clk
Merge tag 'sunxi-clk-fixes-for-5.18-2' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into clk-fixes
2022-04-25 16:47:24 -07:00
clocksource
Merge tag 'asm-generic-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
2022-03-23 18:03:08 -07:00
comedi
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connector
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counter
Merge tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2022-03-28 12:27:35 -07:00
cpufreq
cpufreq: qcom-cpufreq-hw: Clear dcvs interrupts
2022-04-26 12:08:31 +05:30
cpuidle
cpuidle: riscv: support non-SMP config
2022-04-19 17:42:08 -07:00
crypto
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2022-03-31 13:57:15 -07:00
cxl
cxl/pci: Drop shadowed variable
2022-04-08 12:59:43 -07:00
dax
Merge tag 'dax-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
2022-03-24 18:12:09 -07:00
dca
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devfreq
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dio
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dma
dmaengine: idxd: skip clearing device context when device is read-only
2022-04-20 17:24:43 +05:30
dma-buf
dma-buf/sync_file: cleanup fence merging a bit
2022-05-04 12:09:53 +02:00
edac
EDAC/synopsys: Read the error count from the correct register
2022-04-14 14:44:49 +02:00
eisa
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extcon
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firewire
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firmware
Backmerge tag 'v5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next
2022-05-03 16:08:48 +10:00
fpga
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fsi
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gnss
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gpio
gpio: Request interrupts after IRQ is initialized
2022-04-22 13:59:19 -07:00
gpu
drm/amd/display: Guard against ddc_pin being NULL for AUX
2022-07-05 16:13:27 -04:00
greybus
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hid
fbdev: Rename pagelist to pagereflist for deferred I/O
2022-05-03 16:04:22 +02:00
hsi
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hv
Merge tag 'hyperv-fixes-signed-20220407' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
2022-04-07 06:35:34 -10:00
hwmon
Merge tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2022-03-28 12:27:35 -07:00
hwspinlock
hwspinlock: sprd: Use struct_size() helper in devm_kzalloc()
2022-03-11 14:56:57 -06:00
hwtracing
Merge tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2022-03-28 12:27:35 -07:00
i2c
i2c: ismt: Fix undefined behavior due to shift overflowing the constant
2022-04-15 23:49:02 +02:00
i3c
i3c: fix uninitialized variable use in i2c setup
2022-03-08 22:33:52 +01:00
idle
intel_idle: Fix SPR C6 optimization
2022-04-27 20:36:47 +02:00
iio
iio: imu: inv_icm42600: Fix I2C init possible nack
2022-04-16 15:03:58 +01:00
infiniband
Merge drm/drm-next into drm-misc-next
2022-04-18 20:46:55 +01:00
input
Merge tag 'input-for-v5.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2022-04-23 09:52:07 -07:00
interconnect
interconnect: qcom: sdx55: Drop IP0 interconnects
2022-04-14 09:47:16 +03:00
iommu
Merge tag 'drm-intel-next-2022-04-13-1' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2022-04-14 12:03:09 +10:00
ipack
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irqchip
irqchip/gic, gic-v3: Prevent GSI to SGI translations
2022-04-05 16:33:47 +01:00
isdn
mISDN: fix typo "frame to short" -> "frame too short"
2022-03-21 13:26:38 +00:00
leds
Merge tag 'leds-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds
2022-03-27 14:09:48 -07:00
macintosh
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mailbox
mailbox: ti-msgmgr: Operate mailbox in polled mode during system suspend
2022-03-12 19:33:30 -06:00
mcb
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md
Merge tag 'block-5.18-2022-04-22' of git://git.kernel.dk/linux-block
2022-04-23 09:46:44 -07:00
media
media: si2157: unknown chip version Si2147-A30 ROM 0x50
2022-04-09 17:45:49 +02:00
memory
memory: renesas-rpc-if: Fix HF/OSPI data transfer in Manual Mode
2022-04-21 17:00:24 +02:00
memstick
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message
scsi: message: fusion: Remove redundant variable dmp
2022-04-06 22:28:07 -04:00
mfd
Merge tag 'mfd-next-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
2022-03-25 13:56:18 -07:00
misc
Backmerge tag 'v5.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next
2022-05-03 16:08:48 +10:00
mmc
mmc: core: improve API to make clear mmc_hw_reset is for cards
2022-04-08 11:00:08 +02:00
most
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mtd
mtd: rawnand: qcom: fix memory corruption that causes panic
2022-04-21 09:29:07 +02:00
mux
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net
Revert "ibmvnic: Add ethtool private flag for driver-defined queue limits"
2022-04-28 09:46:18 -07:00
nfc
Merge tag 'spi-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
2022-03-21 18:33:57 -07:00
ntb
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nubus
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nvdimm
Merge tag 'libnvdimm-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
2022-03-30 10:04:11 -07:00
nvme
nvme-pci: disable namespace identifiers for Qemu controllers
2022-04-15 06:56:17 +02:00
nvmem
nvmem: brcm_nvram: parse NVRAM content into NVMEM cells
2022-03-18 14:08:36 +01:00
of
of: Create platform devices for OF framebuffers
2022-04-20 10:07:41 +02:00
opp
OPP: Add support of "opp-microwatt" for EM registration
2022-03-03 09:35:04 +05:30
parisc
parisc: Fix CPU affinity for Lasi, WAX and Dino chips
2022-03-29 21:37:12 +02:00
parport
parport_pc: Also enable driver for PCI systems
2022-03-18 14:01:41 +01:00
pci
Merge tag 'hyperv-fixes-signed-20220407' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
2022-04-07 06:35:34 -10:00
pcmcia
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peci
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perf
arm_pmu: Validate single/group leader events
2022-04-13 11:48:45 +01:00
phy
phy: amlogic: fix error path in phy_g12a_usb3_pcie_probe()
2022-04-20 14:42:44 +05:30
pinctrl
pinctrl: pistachio: fix use of irq_of_parse_and_map()
2022-04-24 16:24:09 +02:00
platform
platform/x86/intel: pmc/core: change pmc_lpm_modes to static
2022-04-27 16:55:54 +02:00
pnp
Merge tag 'pnp-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2022-03-21 14:46:01 -07:00
power
power: supply: Reset err after not finding static battery
2022-04-13 12:05:22 +02:00
powercap
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pps
pps: generators: pps_gen_parport: Switch to use module_parport_driver()
2022-03-18 14:01:19 +01:00
ps3
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ptp
ptp: ocp: handle error from nvmem_device_find
2022-03-30 12:08:11 -07:00
pwm
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rapidio
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ras
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regulator
regulator: atc260x: Fix missing active_discharge_on setting
2022-04-04 08:59:43 +01:00
remoteproc
Merge tag 'rproc-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
2022-03-30 10:50:48 -07:00
reset
reset: tegra-bpmp: Restore Handle errors in BPMP response
2022-04-04 11:14:13 +02:00
rpmsg
rpmsg: ctrl: Introduce new RPMSG_CREATE/RELEASE_DEV_IOCTL controls
2022-03-13 11:49:53 -05:00
rtc
Merge tag 'rtc-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
2022-04-01 09:37:18 -07:00
s390
vfio/mdev: Remove mdev_parent_ops
2022-04-21 07:36:56 -04:00
sbus
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scsi
scsi: sr: Do not leak information in ioctl
2022-04-18 22:48:31 -04:00
sh
…
siox
…
slimbus
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soc
soc: imx: imx8m-blk-ctrl: Fix IMX8MN_DISPBLK_PD_ISI hang
2022-04-10 09:32:08 +08:00
soundwire
Merge tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2022-03-28 12:27:35 -07:00
spi
Merge tag 'spi-fix-v5.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
2022-04-19 10:30:43 -07:00
spmi
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ssb
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staging
fbdev: Use pageref offset for deferred-I/O writeback
2022-05-03 16:04:22 +02:00
target
scsi: target: pscsi: Set SCF_TREAT_READ_AS_NORMAL flag only if there is valid data
2022-04-27 22:40:09 -04:00
tc
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tee
tee: optee: add missing mutext_destroy in optee_ffa_probe
2022-04-05 08:56:26 +02:00
thermal
Merge branch 'thermal-int340x'
2022-04-28 16:51:24 +02:00
thunderbolt
Merge tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2022-03-28 12:27:35 -07:00
tty
tty: n_gsm: fix sometimes uninitialized warning in gsm_dlci_modem_output()
2022-04-26 08:09:46 +02:00
uio
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usb
usb: phy: generic: Get the vbus supply
2022-04-26 14:10:54 +02:00
vdpa
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2022-04-05 10:40:52 -07:00
vfio
Merge tag 'drm-intel-next-2022-05-06' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
2022-05-11 11:00:15 +10:00
vhost
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2022-03-31 13:57:15 -07:00
video
Merge tag 'amd-drm-next-5.19-2022-05-18' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
2022-05-19 14:09:54 +10:00
virt
Merge tag 'random-5.18-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random
2022-03-31 14:51:34 -07:00
virtio
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2022-04-05 10:40:52 -07:00
visorbus
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vlynq
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vme
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w1
w1: w1_therm: Add support for Maxim MAX31850 thermoelement IF.
2022-03-18 14:07:09 +01:00
watchdog
Merge tag 'linux-watchdog-5.18-rc1' of git://www.linux-watchdog.org/linux-watchdog
2022-03-31 14:14:03 -07:00
xen
xen: Convert kmap() to kmap_local_page()
2022-04-20 15:22:18 -05:00
zorro
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Kconfig
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Makefile
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