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6f7e6393d1ce636bb7ec77a7fe7b77458fddf701
linux/drivers/i2c/busses
History
LI Qingwu b126097b03 i2c: imx: preserve error state in block data length handler 
When a block read returns an invalid length, zero or >I2C_SMBUS_BLOCK_MAX,
the length handler sets the state to IMX_I2C_STATE_FAILED. However,
i2c_imx_master_isr() unconditionally overwrites this with
IMX_I2C_STATE_READ_CONTINUE, causing an endless read loop that overruns
buffers and crashes the system.

Guard the state transition to preserve error states set by the length
handler.

Fixes: 5f5c2d4579 ("i2c: imx: prevent rescheduling in non dma mode")
Signed-off-by: LI Qingwu <Qing-wu.Li@leica-geosystems.com.cn>
Cc: <stable@vger.kernel.org> # v6.13+
Reviewed-by: Stefan Eichenberger <eichest@gmail.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20260116111906.3413346-2-Qing-wu.Li@leica-geosystems.com.cn
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
2026-02-03 21:47:48 +01:00
..
i2c-acorn.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
i2c-ali15x3.c
i2c: ali15x3: Fix an error handling path in ali15x3_probe()
2025-03-12 12:24:52 +01:00
i2c-ali1535.c
i2c: ali1535: Fix an error handling path in ali1535_probe()
2025-03-12 12:24:52 +01:00
i2c-ali1563.c
i2c: add missing MODULE_DESCRIPTION() macros
2024-07-09 00:46:06 +02:00
i2c-altera.c
i2c: Switch back to struct platform_driver::remove()
2024-11-17 11:58:14 +01:00
i2c-amd756.c
i2c: amd756: Remove superfluous TODO
2025-01-14 11:09:47 +01:00
i2c-amd8111.c
i2c: Don't let i2c adapters declare I2C_CLASS_SPD support if they support I2C_CLASS_HWMON
2024-01-18 21:10:41 +01:00
i2c-amd-asf-plat.c
i2c: amd-asf: Set cmd variable when encountering an error
2025-03-18 21:53:53 +01:00
i2c-amd-mp2-pci.c
i2c: amd-mp2: fix reference leak in MP2 PCI device
2025-12-08 03:11:27 +01:00
i2c-amd-mp2-plat.c
i2c: use inclusive callbacks in struct i2c_algorithm
2025-06-12 10:05:31 +02:00
i2c-amd-mp2.h
i2c: Remove redundant pm_runtime_mark_last_busy() calls
2025-10-14 13:51:07 +02:00
i2c-aspeed.c
i2c: use inclusive callbacks in struct i2c_algorithm
2025-06-12 10:05:31 +02:00
i2c-at91-core.c
i2c: Remove redundant pm_runtime_mark_last_busy() calls
2025-10-14 13:51:07 +02:00
i2c-at91-master.c
i2c: Remove redundant pm_runtime_mark_last_busy() calls
2025-10-14 13:51:07 +02:00
i2c-at91-slave.c
i2c: at91: Fix the functionality flags of the slave-only interface
2024-06-12 17:07:33 +01:00
i2c-at91.h
i2c: at91: remove legacy DMA left overs
2020-11-03 21:34:40 +01:00
i2c-au1550.c
i2c: Switch back to struct platform_driver::remove()
2024-11-17 11:58:14 +01:00
i2c-axxia.c
i2c: use inclusive callbacks in struct i2c_algorithm
2025-06-12 10:05:31 +02:00
i2c-bcm2835.c
i2c: busses: bcm2835: convert from round_rate() to determine_rate()
2025-10-27 14:17:14 +01:00
i2c-bcm-iproc.c
i2c: bcm-iproc: Fix Wvoid-pointer-to-enum-cast warning
2025-12-17 00:28:43 +01:00
i2c-bcm-kona.c
i2c: bcm-kona: Use i2c_10bit_addr_*_from_msg() helpers
2025-03-18 21:53:54 +01:00
i2c-brcmstb.c
i2c: brcmstb: Use i2c_10bit_addr_*_from_msg() helpers
2025-03-18 21:53:54 +01:00
i2c-cadence.c
i2c: Remove redundant pm_runtime_mark_last_busy() calls
2025-10-14 13:51:07 +02:00
i2c-cbus-gpio.c
i2c: Switch back to struct platform_driver::remove()
2024-11-17 11:58:14 +01:00
i2c-ccgx-ucsi.c
i2c: add missing MODULE_DESCRIPTION() macros
2024-07-09 00:46:06 +02:00
i2c-ccgx-ucsi.h
i2c: Introduce common module to instantiate CCGx UCSI
2022-02-15 10:04:53 +01:00
i2c-cgbc.c
i2c: use inclusive callbacks in struct i2c_algorithm
2025-06-12 10:05:31 +02:00
i2c-cht-wc.c
i2c: Switch to irq_domain_create_linear()
2025-05-16 21:06:09 +02:00
i2c-cp2615.c
i2c: cp2615: reword according to newest specification
2024-07-11 15:13:30 +02:00
i2c-cpm.c
i2c: Switch back to struct platform_driver::remove()
2024-11-17 11:58:14 +01:00
i2c-cros-ec-tunnel.c
i2c: cros-ec-tunnel: defer probe if parent EC is not present
2025-04-13 21:33:44 +02:00
i2c-davinci.c
i2c: Remove redundant pm_runtime_mark_last_busy() calls
2025-10-14 13:51:07 +02:00
i2c-designware-amdisp.c
i2c: amd-isp: Initialize unique adapter name
2025-06-25 23:38:33 +02:00
i2c-designware-amdpsp.c
i2c: amd: Switch to guard(mutex)
2025-03-18 21:53:53 +01:00
i2c-designware-baytrail.c
i2c: designware: Add AMD PSP I2C bus support
2022-02-11 15:38:23 +01:00
i2c-designware-common.c
i2c: designware: Don't warn about missing get_clk_rate_khz
2025-05-23 10:02:27 +02:00
i2c-designware-core.h
i2c: designware: Disable SMBus interrupts to prevent storms from mis-configured firmware
2025-10-27 14:17:15 +01:00
i2c-designware-master.c
i2c: designware: Disable SMBus interrupts to prevent storms from mis-configured firmware
2025-10-27 14:17:15 +01:00
i2c-designware-pcidrv.c
i2c: designware: Fix an error handling path in i2c_dw_pci_probe()
2025-05-14 17:28:24 +02:00
i2c-designware-platdrv.c
i2c: designware: Omit a variable reassignment in dw_i2c_plat_probe()
2025-10-27 14:17:15 +01:00
i2c-designware-slave.c
i2c: designware: convert to dev_err_probe() on request IRQ error
2025-09-25 23:49:08 +02:00
i2c-digicolor.c
i2c: Switch back to struct platform_driver::remove()
2024-11-17 11:58:14 +01:00
i2c-diolan-u2c.c
i2c: diolan-u2c: reword according to newest specification
2024-07-11 15:14:08 +02:00
i2c-dln2.c
i2c: Switch back to struct platform_driver::remove()
2024-11-17 11:58:14 +01:00
i2c-eg20t.c
i2c: use inclusive callbacks in struct i2c_algorithm
2025-06-12 10:05:31 +02:00
i2c-elektor.c
i2c: Don't let i2c adapters declare I2C_CLASS_SPD support if they support I2C_CLASS_HWMON
2024-01-18 21:10:41 +01:00
i2c-emev2.c
i2c: use inclusive callbacks in struct i2c_algorithm
2025-06-12 10:05:31 +02:00
i2c-exynos5.c
i2c: use inclusive callbacks in struct i2c_algorithm
2025-06-12 10:05:31 +02:00
i2c-fsi.c
i2c: fsi: reword according to newest specification
2024-07-11 15:14:09 +02:00
i2c-gpio.c
i2c: Switch back to struct platform_driver::remove()
2024-11-17 11:58:14 +01:00
i2c-gxp.c
i2c: use inclusive callbacks in struct i2c_algorithm
2025-06-12 10:05:31 +02:00
i2c-highlander.c
i2c: Switch back to struct platform_driver::remove()
2024-11-17 11:58:14 +01:00
i2c-hisi.c
i2c: hisi: reword according to newest specification
2024-07-11 15:14:10 +02:00
i2c-hix5hd2.c
i2c: Remove redundant pm_runtime_mark_last_busy() calls
2025-10-14 13:51:07 +02:00
i2c-hydra.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
i2c-i801.c
i2c: i801: Add support for Intel Nova Lake-S
2025-12-17 00:28:51 +01:00
i2c-ibm_iic.c
i2c: ibm_iic: Use i2c_*bit_addr*_from_msg() helpers
2025-03-18 21:53:54 +01:00
i2c-ibm_iic.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
i2c-icy.c
i2c: move drivers from strlcpy to strscpy
2022-08-11 23:02:51 +02:00
i2c-img-scb.c
i2c: Remove redundant pm_runtime_mark_last_busy() calls
2025-10-14 13:51:07 +02:00
i2c-imx-lpi2c.c
i2c: imx-lpi2c: change to PIO mode in system-wide suspend/resume progress
2026-01-14 12:58:26 +01:00
i2c-imx.c
i2c: imx: preserve error state in block data length handler
2026-02-03 21:47:48 +01:00
i2c-iop3xx.c
i2c: Switch back to struct platform_driver::remove()
2024-11-17 11:58:14 +01:00
i2c-iop3xx.h
Merge branch 'i2c/for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
2019-07-15 21:10:39 -07:00
i2c-isch.c
i2c: isch: Convert comma to semicolon
2025-01-07 23:46:10 +01:00
i2c-ismt.c
i2c: ismt: Use non-hybrid PCI devres API
2025-05-19 22:23:57 +02:00
i2c-jz4780.c
i2c: Switch back to struct platform_driver::remove()
2024-11-17 11:58:14 +01:00
i2c-k1.c
i2c: spacemit: drop IRQF_ONESHOT flag from IRQ request
2026-01-22 14:07:58 +01:00
i2c-keba.c
i2c: use inclusive callbacks in struct i2c_algorithm
2025-06-12 10:05:31 +02:00
i2c-kempld.c
i2c: kempld: Use i2c_10bit_addr_*_from_msg() helpers
2025-03-18 21:53:54 +01:00
i2c-ljca.c
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
i2c-lpc2k.c
i2c: lpc2k: Add check for clk_enable()
2025-05-19 22:23:54 +02:00
i2c-ls2x.c
i2c: ls2x: Fix frequency division register access
2025-02-26 23:23:33 +01:00
i2c-mchp-pci1xxxx.c
i2c: use inclusive callbacks in struct i2c_algorithm
2025-06-12 10:05:31 +02:00
i2c-meson.c
i2c: use inclusive callbacks in struct i2c_algorithm
2025-06-12 10:05:31 +02:00
i2c-microchip-corei2c.c
i2c: microchip-core: re-fix fake detections w/ i2cdetect
2025-07-01 18:37:38 +02:00
i2c-mlxbf.c
i2c: mlxbf: avoid 64-bit division
2025-05-23 10:02:27 +02:00
i2c-mlxcpld.c
i2c: Switch back to struct platform_driver::remove()
2024-11-17 11:58:14 +01:00
i2c-mpc.c
i2c: Switch back to struct platform_driver::remove()
2024-11-17 11:58:14 +01:00
i2c-mt65xx.c
i2c: mt65xx: convert set_speed function to void
2025-10-04 18:55:44 +02:00
i2c-mt7621.c
i2c: mt7621: Use i2c_10bit_addr_*_from_msg() helpers
2025-03-18 21:53:54 +01:00
i2c-mv64xxx.c
i2c: Remove redundant pm_runtime_mark_last_busy() calls
2025-10-14 13:51:07 +02:00
i2c-mxs.c
i2c: use inclusive callbacks in struct i2c_algorithm
2025-06-12 10:05:31 +02:00
i2c-nct6694.c
i2c: Add Nuvoton NCT6694 I2C support
2025-09-16 14:41:57 +01:00
i2c-nforce2.c
i2c: Drop legacy muxing pseudo-drivers
2024-11-17 11:58:14 +01:00
i2c-nomadik.c
i2c: use inclusive callbacks in struct i2c_algorithm
2025-06-12 10:05:31 +02:00
i2c-npcm7xx.c
i2c: use inclusive callbacks in struct i2c_algorithm
2025-06-12 10:05:31 +02:00
i2c-nvidia-gpu.c
i2c: Remove redundant pm_runtime_mark_last_busy() calls
2025-10-14 13:51:07 +02:00
i2c-ocores.c
i2c: Switch back to struct platform_driver::remove()
2024-11-17 11:58:14 +01:00
i2c-octeon-core.c
i2c: octeon: add block-mode i2c operations
2025-05-19 22:23:55 +02:00
i2c-octeon-core.h
i2c: octeon: add block-mode i2c operations
2025-05-19 22:23:55 +02:00
i2c-octeon-platdrv.c
i2c: Switch back to struct platform_driver::remove()
2024-11-17 11:58:14 +01:00
i2c-omap.c
i2c: Remove redundant pm_runtime_mark_last_busy() calls
2025-10-14 13:51:07 +02:00
i2c-opal.c
i2c: Switch back to struct platform_driver::remove()
2024-11-17 11:58:14 +01:00
i2c-owl.c
i2c: owl: reword according to newest specification
2024-07-11 15:14:17 +02:00
i2c-parport.c
parport: Remove parport_driver.devmodel
2024-07-03 16:44:22 +02:00
i2c-pasemi-core.c
i2c: pasemi: Log bus reset causes
2025-05-19 22:23:57 +02:00
i2c-pasemi-core.h
i2c: /pasemi: PASemi I2C controller IRQ enablement
2022-11-12 21:30:16 +01:00
i2c-pasemi-pci.c
i2c: pasemi: Sort includes alphabetically
2025-05-19 22:23:55 +02:00
i2c-pasemi-platform.c
i2c: Switch back to struct platform_driver::remove()
2024-11-17 11:58:14 +01:00
i2c-pca-isa.c
i2c: rename wait_for_completion callback to wait_for_completion_cb
2025-10-04 18:52:58 +02:00
i2c-pca-platform.c
i2c: rename wait_for_completion callback to wait_for_completion_cb
2025-10-04 18:52:58 +02:00
i2c-piix4.c
Move FCH header to a location accessible by all archs
2025-06-30 13:42:11 +03:00
i2c-piix4.h
i2c: piix4: Export i2c_piix4 driver functions as library
2024-11-13 23:29:46 +01:00
i2c-pnx.c
i2c: use inclusive callbacks in struct i2c_algorithm
2025-06-12 10:05:31 +02:00
i2c-powermac.c
i2c: powermac: convert of_node usage to fwnode
2025-05-20 22:49:21 +02:00
i2c-pxa-pci.c
i2c: don't use ',' after delimiters
2024-09-10 00:33:52 +02:00
i2c-pxa.c
i2c: pxa: Fix Wvoid-pointer-to-enum-cast warning
2025-12-17 00:28:50 +01:00
i2c-qcom-cci.c
i2c: qcom-cci: Add msm8953 compatible
2025-12-08 20:21:31 +09:00
i2c-qcom-geni.c
i2c: qcom-geni: make sure I2C hub controllers can't use SE DMA
2026-01-14 12:32:57 +01:00
i2c-qup.c
i2c: Remove redundant pm_runtime_mark_last_busy() calls
2025-10-14 13:51:07 +02:00
i2c-rcar.c
i2c: rcar: Fix Wvoid-pointer-to-enum-cast warning
2025-12-17 00:28:50 +01:00
i2c-riic.c
i2c: riic: Move suspend handling to NOIRQ phase
2026-01-13 17:13:50 +01:00
i2c-rk3x.c
i2c: Switch back to struct platform_driver::remove()
2024-11-17 11:58:14 +01:00
i2c-robotfuzz-osif.c
i2c: robotfuzz-osif: disable zero-length read messages
2025-06-25 22:45:48 +02:00
i2c-rtl9300.c
i2c: rtl9300: add support for RTL9310 I2C controller
2025-10-04 11:43:41 +02:00
i2c-rzv2m.c
i2c: Remove redundant pm_runtime_mark_last_busy() calls
2025-10-14 13:51:07 +02:00
i2c-s3c2410.c
i2c: s3c2410: Drop S3C2410 OF support
2025-09-25 02:03:20 +02:00
i2c-scmi.c
i2c: Switch back to struct platform_driver::remove()
2024-11-17 11:58:14 +01:00
i2c-sh7760.c
i2c: use inclusive callbacks in struct i2c_algorithm
2025-06-12 10:05:31 +02:00
i2c-sh_mobile.c
i2c: use inclusive callbacks in struct i2c_algorithm
2025-06-12 10:05:31 +02:00
i2c-sibyte.c
i2c: Don't let i2c adapters declare I2C_CLASS_SPD support if they support I2C_CLASS_HWMON
2024-01-18 21:10:41 +01:00
i2c-simtec.c
i2c: Switch back to struct platform_driver::remove()
2024-11-17 11:58:14 +01:00
i2c-sis96x.c
i2c: Don't let i2c adapters declare I2C_CLASS_SPD support if they support I2C_CLASS_HWMON
2024-01-18 21:10:41 +01:00
i2c-sis630.c
i2c: sis630: Fix an error handling path in sis630_probe()
2025-03-12 12:24:53 +01:00
i2c-sis5595.c
i2c: sis5595: reword according to newest specification
2024-07-11 15:14:20 +02:00
i2c-sprd.c
i2c: Remove redundant pm_runtime_mark_last_busy() calls
2025-10-14 13:51:07 +02:00
i2c-st.c
i2c: busses: Fix some spelling errors
2025-09-25 23:49:08 +02:00
i2c-stm32.c
i2c: stm32: Omit two variable reassignments in stm32_i2c_dma_request()
2025-10-27 14:17:15 +01:00
i2c-stm32.h
i2c: stm32: Use the correct style for SPDX License Identifier
2019-08-14 14:56:54 +02:00
i2c-stm32f4.c
i2c: Switch back to struct platform_driver::remove()
2024-11-17 11:58:14 +01:00
i2c-stm32f7.c
i2c: Remove redundant pm_runtime_mark_last_busy() calls
2025-10-14 13:51:07 +02:00
i2c-sun6i-p2wi.c
i2c: Switch back to struct platform_driver::remove()
2024-11-17 11:58:14 +01:00
i2c-synquacer.c
i2c: use inclusive callbacks in struct i2c_algorithm
2025-06-12 10:05:31 +02:00
i2c-taos-evm.c
i2c: taos-evm: reword according to newest specification
2024-07-11 15:14:22 +02:00
i2c-tegra-bpmp.c
i2c: Switch back to struct platform_driver::remove()
2024-11-17 11:58:14 +01:00
i2c-tegra.c
i2c: tegra: Add Tegra256 support
2025-09-13 00:33:00 +02:00
i2c-thunderx-pcidrv.c
i2c: thunderx: Use non-hybrid PCI devres API
2025-05-19 22:23:57 +02:00
i2c-tiny-usb.c
i2c: tiny-usb: disable zero-length read messages
2025-06-25 22:49:57 +02:00
i2c-uniphier-f.c
i2c: uniphier(-f): Replace dev_err() with dev_err_probe() in probe function
2025-05-19 22:23:55 +02:00
i2c-uniphier.c
i2c: uniphier: Replace dev_err() with dev_err_probe() in probe function
2025-05-19 22:23:55 +02:00
i2c-usbio.c
i2c: usbio: Add ACPI device-id for MTL-CVF devices
2025-10-14 13:54:43 +02:00
i2c-versatile.c
i2c: Switch back to struct platform_driver::remove()
2024-11-17 11:58:14 +01:00
i2c-via.c
i2c: via: Replace dev_err() with dev_err_probe() in probe function
2025-05-19 22:23:55 +02:00
i2c-viai2c-common.c
i2c: viai2c: reword according to newest specification
2024-07-11 15:14:24 +02:00
i2c-viai2c-common.h
i2c: viai2c: turn common code into a proper module
2024-06-26 16:07:21 +02:00
i2c-viai2c-wmt.c
i2c: viai2c-wmt: Replace dev_err() with dev_err_probe() in probe function
2025-05-23 10:02:27 +02:00
i2c-viai2c-zhaoxin.c
i2c: viai2c: reword according to newest specification
2024-07-11 15:14:24 +02:00
i2c-viapro.c
i2c: viapro: Replace dev_err() with dev_err_probe() in probe function
2025-05-19 22:23:55 +02:00
i2c-viperboard.c
i2c: busses: Fix some spelling errors
2025-09-25 23:49:08 +02:00
i2c-virtio.c
i2c: virtio: Avoid hang by using interruptible completion wait
2025-07-24 00:38:01 +02:00
i2c-xgene-slimpro.c
i2c: xgene-slimpro: Replace dev_err() with dev_err_probe() in probe function
2025-05-23 10:02:27 +02:00
i2c-xiic.c
i2c: Remove redundant pm_runtime_mark_last_busy() calls
2025-10-14 13:51:07 +02:00
i2c-xlp9xx.c
i2c: use inclusive callbacks in struct i2c_algorithm
2025-06-12 10:05:31 +02:00
Kconfig
i2c: i801: Add support for Intel Nova Lake-S
2025-12-17 00:28:51 +01:00
Makefile
Merge tag 'usb-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
2025-10-04 16:07:08 -07:00
scx200_acb.c
i2c: scx200_acb: Replace dev_err() with dev_err_probe() in probe function
2025-05-19 22:23:55 +02:00