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af95a0ebc0a0db0762be75f51eadf770bad01aaa
linux/drivers
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Aneesh Kumar K.V (Arm) af95a0ebc0 iommu/dma: Check atomic pool allocation result directly 
The non-blocking, non-coherent allocation path uses dma_alloc_from_pool(),
which returns the allocated page and fills cpu_addr only on success.

Do not rely on cpu_addr to detect allocation failure in this path. Check
the returned page directly before using it for the IOMMU mapping.

Fixes: 9420139f51 ("dma-pool: fix coherent pool allocations for IOMMU mappings")
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Tested-by: Michael Kelley <mhklinux@outlook.com>
Tested-by: Mostafa Saleh <smostafa@google.com>
Reviewed-by: Petr Tesarik <ptesarik@suse.com>
Signed-off-by: Aneesh Kumar K.V (Arm) <aneesh.kumar@kernel.org>
Link: https://lore.kernel.org/r/20260717180442.110954-4-aneesh.kumar@kernel.org
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
2026-07-31 08:40:58 +02:00
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accel
Merge tag 'drm-misc-fixes-2026-07-09' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
2026-07-10 13:03:15 +10:00
accessibility
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acpi
Merge tag 'acpi-7.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2026-07-03 15:13:50 -10:00
amba
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android
rust_binder: clear freeze listener on node removal
2026-07-03 13:54:10 +02:00
ata
Merge tag 'ata-7.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
2026-07-10 09:17:00 -07:00
atm
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auxdisplay
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
base
Merge tag 'regmap-fix-v7.2-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
2026-06-26 10:47:26 -07:00
bcma
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block
Merge tag 'block-7.2-20260710' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
2026-07-11 09:35:33 -07:00
bluetooth
Merge tag 'net-7.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2026-07-09 08:26:51 -07:00
bus
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2026-07-03 07:38:17 +02:00
cache
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2026-07-03 07:38:17 +02:00
cdrom
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cdx
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2026-07-03 07:38:17 +02:00
char
tpm: Make the TPM character devices non-seekable
2026-07-12 12:52:34 -07:00
clk
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2026-07-03 07:38:17 +02:00
clocksource
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comedi
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connector
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counter
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2026-07-03 07:38:17 +02:00
cpufreq
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2026-07-03 07:38:17 +02:00
cpuidle
cpuidle: Allow exit latency to exceed target residency
2026-06-23 14:00:29 +02:00
crypto
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2026-07-03 07:38:17 +02:00
cxl
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dax
Merge tag 'mm-stable-2026-06-18-09-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2026-06-19 10:14:34 -07:00
dca
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devfreq
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2026-07-03 07:38:17 +02:00
dibs
dibs: loopback: validate offset and size in move_data()
2026-07-09 12:44:00 +02:00
dio
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dma
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2026-07-03 07:38:17 +02:00
dma-buf
Merge drm/drm-fixes into drm-misc-fixes
2026-06-29 17:58:00 +02:00
dpll
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2026-07-03 07:38:17 +02:00
edac
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2026-07-03 07:38:17 +02:00
eisa
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extcon
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2026-07-03 07:38:17 +02:00
firewire
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2026-07-03 07:38:17 +02:00
firmware
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2026-07-03 07:38:17 +02:00
fpga
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2026-07-03 07:38:17 +02:00
fsi
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2026-07-03 07:38:17 +02:00
fwctl
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gnss
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gpib
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
gpio
gpio: mvebu: free generic chips on unbind
2026-07-08 14:05:11 +02:00
gpu
nouveau/vmm: fix another SPT/LPT race
2026-07-10 14:19:23 +10:00
greybus
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hid
Merge tag 'char-misc-7.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2026-07-12 12:37:28 -07:00
hsi
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
hte
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2026-07-03 07:38:17 +02:00
hv
Merge tag 'hyperv-next-signed-20260621' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
2026-06-22 08:06:13 -07:00
hwmon
Merge tag 'device-id-rework' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux
2026-07-02 20:54:26 -10:00
hwspinlock
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hwtracing
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2026-07-03 07:38:17 +02:00
i2c
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2026-07-03 07:38:17 +02:00
i3c
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idle
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iio
Merge tag 'char-misc-7.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2026-07-12 12:37:28 -07:00
infiniband
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input
Merge tag 'input-for-v7.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2026-07-11 15:42:55 -07:00
interconnect
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
iommu
iommu/dma: Check atomic pool allocation result directly
2026-07-31 08:40:58 +02:00
ipack
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irqchip
Merge tag 'irq-urgent-2026-07-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2026-07-05 05:29:41 -10:00
leds
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2026-07-03 07:38:17 +02:00
macintosh
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mailbox
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2026-07-03 07:38:17 +02:00
mcb
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md
dm thin metadata: fix superblock refcount leak on snapshot shadow failure
2026-07-11 15:18:51 +02:00
media
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2026-07-03 07:38:17 +02:00
memory
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2026-07-03 07:38:17 +02:00
memstick
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message
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mfd
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2026-07-03 07:38:17 +02:00
misc
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2026-07-03 07:38:17 +02:00
mmc
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2026-07-03 07:38:17 +02:00
most
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mtd
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2026-07-03 07:38:17 +02:00
mux
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
net
Merge tag 'net-7.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2026-07-09 08:26:51 -07:00
nfc
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
ntb
Merge tag 'ntb-7.2' of https://github.com/jonmason/ntb
2026-06-28 07:46:12 -07:00
nubus
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nvdimm
Merge tag 'libnvdimm-for-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
2026-06-18 16:27:58 -07:00
nvme
Merge tag 'block-7.2-20260625' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
2026-06-25 09:56:47 -07:00
nvmem
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
of
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
opp
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parisc
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parport
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pci
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2026-07-03 07:38:17 +02:00
pcmcia
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peci
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perf
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2026-07-03 07:38:17 +02:00
phy
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2026-07-03 07:38:17 +02:00
pinctrl
Merge tag 'gpio-fixes-for-v7.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
2026-07-03 05:38:12 -10:00
platform
Merge tag 'platform-drivers-x86-v7.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
2026-07-10 09:51:45 -07:00
pmdomain
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2026-07-03 07:38:17 +02:00
pnp
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2026-07-03 07:38:17 +02:00
power
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
powercap
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pps
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2026-07-03 07:38:17 +02:00
ps3
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ptp
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2026-07-03 07:38:17 +02:00
pwm
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
rapidio
Merge tag 'mm-nonmm-stable-2026-06-21-10-22' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2026-06-21 13:20:19 -07:00
ras
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regulator
regulator: core: regulator_lock_two() should test for EDEADLK not EDEADLOCK
2026-07-09 01:41:17 +01:00
remoteproc
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resctrl
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reset
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2026-07-03 07:38:17 +02:00
rpmsg
Merge tag 'rpmsg-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
2026-06-20 23:31:15 -07:00
rtc
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
s390
s390/zcrypt: Remove the empty file
2026-07-08 17:02:47 +02:00
sbus
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scsi
Merge tag 'mm-nonmm-stable-2026-06-21-10-22' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2026-06-21 13:20:19 -07:00
sh
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siox
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2026-07-03 07:38:17 +02:00
slimbus
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soc
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2026-07-03 07:38:17 +02:00
soundwire
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2026-07-03 07:38:17 +02:00
spi
Merge tag 'spi-fix-v7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
2026-07-05 05:24:06 -10:00
spmi
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2026-07-03 07:38:17 +02:00
ssb
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staging
staging: rtl8723bs: fix OOB reads in rtw_get_sec_ie(), rtw_get_wapi_ie(), and rtw_get_wps_attr()
2026-07-07 13:43:27 +02:00
target
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tc
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tee
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thermal
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
thunderbolt
Merge tag 'usb-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
2026-06-22 12:09:47 -07:00
tty
Merge tag 'tty-7.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
2026-07-12 12:29:38 -07:00
ufs
ufs: core: tracing: Do not dereference pointers in TP_printk()
2026-07-07 10:42:28 -04:00
uio
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2026-07-03 07:38:17 +02:00
usb
Merge tag 'usb-7.2-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
2026-07-12 12:12:41 -07:00
vdpa
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
vfio
vfio/pci: Expose latched module parameter policy in debugfs
2026-06-29 14:26:31 -06:00
vhost
Merge tag 'mm-nonmm-stable-2026-06-21-10-22' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2026-06-21 13:20:19 -07:00
video
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
virt
virt: arm-cca-guest: Drop unused assignment of platform_device_id driver data
2026-07-22 20:19:45 +00:00
virtio
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w1
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2026-07-03 07:38:17 +02:00
watchdog
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2026-07-03 07:38:17 +02:00
xen
xenbus: reject unterminated directory replies
2026-07-01 10:01:14 +02:00
zorro
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Kconfig
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Makefile
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