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b4ce102b2cd88424c5860fbbb20b9eb343a93bf4
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Daniel Golle b4ce102b2c net: dsa: mt7530: check bus->read() errors in the MDIO regmap backend 
bus->read() returns a negative errno on failure, but
mt7530_regmap_read() assigns it to a u16, truncating e.g. -ETIMEDOUT
into 0xff92, and returns success. The garbage word is then consumed as
register data, and read-modify-write cycles write it back to the
switch. Check both reads and propagate their errors.

The same defect existed in mt7530_mii_read() since the driver was
introduced and moved into the regmap backend unchanged.

Fixes: b8f126a8d5 ("net-next: dsa: add dsa support for Mediatek MT7530 switch")
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/3c628e48276c2e5522c8795a6be60d11c7a76a7d.1785213071.git.daniel@makrotopia.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-07-29 17:30:14 -07:00
..
accel
accel/amdxdna: Fix use-after-free of mm_struct in job scheduler
2026-07-16 20:05:28 -07:00
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-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
2026-07-17 17:58:57 -07:00
atm
atm: remove unused ATM PHY operations
2026-06-16 08:53:53 -07:00
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-7.2-20260717' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
2026-07-19 09:29:42 -07:00
bluetooth
Bluetooth: btusb: Fix short read errors in btusb_qca_send_vendor_req()
2026-07-28 16:13:48 -04:00
bus
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
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
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
clocksource
Merge tag 'timers-vdso-2026-06-13' of gitolite.kernel.org:pub/scm/linux/kernel/git/tip/tip
2026-06-15 13:57:13 +05:30
comedi
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connector
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counter
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2026-07-03 07:38:17 +02:00
cpufreq
cpufreq: Make cpufreq_update_pressure() fall back to cpuinfo.max_freq
2026-07-09 20:31:57 +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
Merge branch 'for-7.2/cxl-type2-attach-region' into cxl-for-next
2026-06-12 13:47:53 -07:00
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: fix use-after-free of dmb_node in loopback attach/detach/unregister
2026-07-29 16:46:51 -07:00
dio
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dma
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
dma-buf
udmabuf: Ensure to perform cache synchronisation in begin_cpu_udmabuf()
2026-07-10 16:26:39 -07:00
dpll
dpll: use pin owner's dpll ref for pin-level attribute reporting
2026-07-24 16:15:19 -07:00
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
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
firmware
Merge tag 'soc-fixes-7.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2026-07-17 08:52:09 -07:00
fpga
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
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
Merge tag 'drm-fixes-2026-07-18-1' of https://gitlab.freedesktop.org/drm/kernel
2026-07-17 16:56:55 -07:00
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
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
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
hwmon: occ: validate poll response sensor blocks
2026-07-20 07:29:44 -07:00
hwspinlock
hwspinlock: qcom: avoid uninitialized struct members
2026-06-08 21:51:12 -05:00
hwtracing
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
i2c
i2c: mediatek: fix WRRD for SoCs without auto_restart option
2026-07-15 00:21:51 +02:00
i3c
i3c: mipi-i3c-hci: Use named initializers for platform_device_id's .driver_data
2026-06-16 23:19:45 +02:00
idle
Merge tag 'x86-msr-2026-06-14' of gitolite.kernel.org:pub/scm/linux/kernel/git/tip/tip
2026-06-15 15:08:14 +05:30
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
bnge/bng_re: fix ring ID widths
2026-07-23 10:24:12 -07:00
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
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +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
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
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
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
memory
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
memstick
memstick: ms_block: reject a card that reports too many blocks
2026-07-06 17:09:30 +02:00
message
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mfd
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
misc
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
mmc
mmc: sdhci-esdhc-imx: fix resume error handling
2026-07-15 11:00:02 +02:00
most
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mtd
Merge tag 'mtd/fixes-for-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
2026-07-17 09:30:17 -07:00
mux
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
net
net: dsa: mt7530: check bus->read() errors in the MDIO regmap backend
2026-07-29 17:30:14 -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
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
pcmcia
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peci
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perf
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
phy
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
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-v7.2-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
2026-07-22 10:36:10 -07:00
pmdomain
pmdomain: mediatek: Fix possible nullptr KP in HWV cleanup/on-check
2026-07-13 12:42:17 +02:00
pnp
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
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
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
ps3
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ptp
ptp: netc: explicitly clear TMR_OFF during initialization
2026-07-23 09:16:14 -07:00
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
Merge tag 'edac_updates_for_v7.2_rc1' of gitolite.kernel.org:pub/scm/linux/kernel/git/ras/ras
2026-06-16 05:31:01 +05:30
regulator
regulator: ltc3676: Fix incorrect IRQSTAT bit offsets
2026-07-16 16:19:07 +01:00
remoteproc
remoteproc: qcom: pas: Drop start/stop completion from struct qcom_pas
2026-06-08 21:53:51 -05:00
resctrl
Merge tag 'arm64-upstream' of gitolite.kernel.org:pub/scm/linux/kernel/git/arm64/linux
2026-06-16 05:18:04 +05:30
reset
Merge tag 'reset-fixes-for-v7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/pza/linux into arm/fixes
2026-07-10 14:15:39 +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/qeth: Check CAP_NET_ADMIN for private ioctls
2026-07-27 18:05:19 -07:00
sbus
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scsi
scsi: hpsa: Fix DMA mapping leak on IOACCEL2 reset path
2026-07-12 22:21:22 -04:00
sh
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siox
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
slimbus
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soc
Merge tag 'tegra-for-7.2-soc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/fixes
2026-07-10 14:42:00 +02:00
soundwire
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
spi
spi: cadence-quadspi: Fix indirect write timeout when DMA read mode is enabled
2026-07-14 12:54:50 +01:00
spmi
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
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
scsi: target: core: Fix iSCSI ISID use-after-free in REGISTER AND MOVE
2026-07-12 22:21:22 -04:00
tc
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tee
Merge tag 'soc-drivers-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2026-06-17 11:21:40 -07:00
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
scsi: ufs: core: tracing: Do not dereference pointers in TP_printk()
2026-07-08 21:51:36 -04:00
uio
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
usb
usb: atm: ueagle-atm: reject descriptors that confuse probe and disconnect
2026-07-23 08:26:15 -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
Revert "vhost-net: wake queue of tun/tap after ptr_ring consume"
2026-07-29 17:12:27 -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
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
virtio
mm: page_reporting: allow driver to set batch capacity
2026-07-09 15:48:56 -07:00
w1
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
2026-07-03 07:38:17 +02:00
watchdog
Merge tag 'watchdog-for-v7.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
2026-07-22 11:15:49 -07:00
xen
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2026-07-18 12:36:19 -07:00
zorro
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Kconfig
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Makefile
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