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Marek Szyprowski 96f6c0b1a4 spi: Ensure that sg_table won't be used after being freed 
[ Upstream commit 8e9204cddc ]

SPI code checks for non-zero sgt->orig_nents to determine if the buffer
has been DMA-mapped. Ensure that sg_table is really zeroed after free to
avoid potential NULL pointer dereference if the given SPI xfer object is
reused again without being DMA-mapped.

Fixes: 0c17ba73c0 ("spi: Fix cache corruption due to DMA/PIO overlap")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/20220930113408.19720-1-m.szyprowski@samsung.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-10-21 12:38:19 +02:00
..
atmel-quadspi.c
spi: atmel-quadspi: align condition to parenthesis
2022-06-09 12:20:05 +01:00
internals.h
…
Kconfig
Merge tag 'spi-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
2022-08-02 10:55:04 -07:00
Makefile
spi: spi-gxp: Add support for HPE GXP SoCs
2022-07-29 17:38:52 +01:00
spi-altera-core.c
…
spi-altera-dfl.c
spi: spi-altera-dfl: Fix an error handling path
2022-06-06 12:39:16 +01:00
spi-altera-platform.c
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spi-amd.c
spi: amd: Add struct and enum kernel-doc comments
2022-07-06 15:20:50 +01:00
spi-ar934x.c
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spi-armada-3700.c
spi: a3700: support BE for AC5 SPI driver
2022-07-26 16:51:07 +01:00
spi-aspeed-smc.c
spi: aspeed: Fix division by zero
2022-06-29 18:10:12 +01:00
spi-at91-usart.c
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spi-ath79.c
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spi-atmel.c
spi: atmel: remove #ifdef CONFIG_{PM, SLEEP}
2022-07-18 13:45:32 +01:00
spi-au1550.c
spi: spi-au1550: replace ternary operator with min()
2022-05-16 17:57:01 +01:00
spi-axi-spi-engine.c
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spi-bcm63xx-hsspi.c
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spi-bcm63xx.c
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spi-bcm2835.c
Merge tag 'spi-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
2022-08-02 10:55:04 -07:00
spi-bcm2835aux.c
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spi-bcm-qspi.c
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spi-bcm-qspi.h
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spi-bitbang-txrx.h
spi: bitbang: Fix lsb-first Rx
2022-08-15 01:26:20 +01:00
spi-bitbang.c
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spi-brcmstb-qspi.c
…
spi-butterfly.c
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spi-cadence-quadspi.c
spi: cadence-quadspi: Fix PM disable depth imbalance in cqspi_probe
2022-10-21 12:38:17 +02:00
spi-cadence-xspi.c
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spi-cadence.c
spi: spi-cadence: Fix SPI NO Slave Select macro definition
2022-07-20 18:45:21 +01:00
spi-cavium-octeon.c
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spi-cavium-thunderx.c
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spi-cavium.c
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spi-cavium.h
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spi-clps711x.c
spi: clps711x: Use syscon_regmap_lookup_by_phandle
2022-04-25 14:01:09 +01:00
spi-coldfire-qspi.c
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spi-davinci.c
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spi-dln2.c
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spi-dw-bt1.c
spi: dw: Fix PM disable depth imbalance in dw_spi_bt1_probe
2022-10-21 12:38:17 +02:00
spi-dw-core.c
spi: dw: Add support for master mode selection for DWC SSI controller
2022-07-13 13:32:31 +01:00
spi-dw-dma.c
spi: dw: Add deferred DMA-channels setup support
2022-06-27 13:24:33 +01:00
spi-dw-mmio.c
spi: dw: Add support for Intel Thunder Bay SPI controller
2022-07-13 13:32:32 +01:00
spi-dw-pci.c
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spi-dw.h
spi: dw: Add support for Intel Thunder Bay SPI controller
2022-07-13 13:32:32 +01:00
spi-ep93xx.c
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spi-falcon.c
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spi-fsi.c
spi: fsi: Increase timeout and ensure status is checked
2022-06-23 15:48:21 +01:00
spi-fsl-cpm.c
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spi-fsl-cpm.h
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spi-fsl-dspi.c
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spi-fsl-espi.c
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spi-fsl-lib.c
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spi-fsl-lib.h
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spi-fsl-lpspi.c
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spi-fsl-qspi.c
spi: spi-fsl-qspi: check return value after calling platform_get_resource_byname()
2022-05-09 12:48:47 +01:00
spi-fsl-spi.c
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spi-fsl-spi.h
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spi-geni-qcom.c
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spi-gpio.c
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spi-gxp.c
spi: spi-gxp: Add support for HPE GXP SoCs
2022-07-29 17:38:52 +01:00
spi-hisi-kunpeng.c
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spi-hisi-sfc-v3xx.c
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spi-img-spfi.c
spi: img-spfi: Fix pm_runtime_get_sync() error checking
2022-04-22 12:37:36 +01:00
spi-imx.c
Merge tag 'sound-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
2022-05-25 16:55:16 -07:00
spi-ingenic.c
spi: ingenic: Add support for new Ingenic SoCs.
2022-04-25 14:00:51 +01:00
spi-intel-pci.c
spi: intel: Add support for Intel Meteor Lake-P SPI serial flash
2022-06-29 12:38:20 +01:00
spi-intel-platform.c
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spi-intel.c
spi: intel: Use correct order for the parameters of devm_kcalloc()
2022-06-06 12:41:28 +01:00
spi-intel.h
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spi-iproc-qspi.c
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spi-jcore.c
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spi-lantiq-ssc.c
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spi-lm70llp.c
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spi-loopback-test.c
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spi-lp8841-rtc.c
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spi-mem.c
spi: spi-mem: Fix spi_mem_poll_status()
2022-06-06 12:32:27 +01:00
spi-meson-spicc.c
spi: meson-spicc: do not rely on busy flag in pow2 clk ops
2022-10-21 12:38:07 +02:00
spi-meson-spifc.c
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spi-microchip-core.c
spi: microchip-core: switch to use dev_err_probe()
2022-07-13 13:49:00 +01:00
spi-mpc52xx-psc.c
spi: mpc52xx-psc: Switch to using core message queue
2022-06-27 13:24:36 +01:00
spi-mpc52xx.c
powerpc/mpc5xxx: Switch mpc5xxx_get_bus_frequency() to use fwnode
2022-06-22 12:51:49 +10:00
spi-mpc512x-psc.c
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spi-mt65xx.c
spi: mt65xx: Fix definitions indentation
2022-04-19 16:32:14 +01:00
spi-mt7621.c
spi: mt7621: Fix an error message in mt7621_spi_probe()
2022-10-21 12:38:04 +02:00
spi-mtk-nor.c
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spi-mtk-snfi.c
spi: mtk-snfi: preserve dma_mapping_error() error codes
2022-05-03 14:00:38 +01:00
spi-mux.c
spi: mux: Fix mux interaction with fast path optimisations
2022-09-02 13:27:13 +01:00
spi-mxic.c
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spi-mxs.c
spi: mxs: using pm_runtime_resume_and_get instead of pm_runtime_get_sync
2022-04-25 14:00:59 +01:00
spi-npcm-fiu.c
spi: npcm-fiu: Add NPCM8XX support
2022-07-20 16:55:26 +01:00
spi-npcm-pspi.c
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spi-nxp-fspi.c
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spi-oc-tiny.c
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spi-omap2-mcspi.c
spi: omap2-mcspi: add support for interword delay
2022-05-04 16:02:36 +01:00
spi-omap-100k.c
spi/omap100k:Fix PM disable depth imbalance in omap1_spi100k_probe
2022-10-21 12:38:17 +02:00
spi-omap-uwire.c
ARM: omap1: move perseus spi pinconf to board file
2022-04-21 15:01:08 +02:00
spi-orion.c
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spi-pic32-sqi.c
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spi-pic32.c
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spi-pl022.c
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spi-ppc4xx.c
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spi-pxa2xx-dma.c
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spi-pxa2xx-pci.c
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spi-pxa2xx.c
spi: pxa2xx: Add support for Intel Meteor Lake-P
2022-06-30 10:56:31 +01:00
spi-pxa2xx.h
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spi-qcom-qspi.c
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spi-qup.c
spi: qup: add missing clk_disable_unprepare on error in spi_qup_pm_resume_runtime()
2022-10-21 12:38:07 +02:00
spi-rb4xx.c
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spi-realtek-rtl.c
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spi-rockchip-sfc.c
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spi-rockchip.c
spi: rockchip: Unmask IRQ at the final to avoid preemption
2022-06-20 11:35:43 +01:00
spi-rpc-if.c
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spi-rspi.c
spi: spi-rspi: Fix PIO fallback on RZ platforms
2022-07-21 17:21:07 +01:00
spi-s3c24xx-regs.h
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spi-s3c24xx.c
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spi-s3c64xx.c
spi: s3c64xx: Fix large transfers with DMA
2022-10-21 12:38:18 +02:00
spi-sc18is602.c
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spi-sh-hspi.c
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spi-sh-msiof.c
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spi-sh-sci.c
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spi-sh.c
spi: sh: Switch to using core message queue
2022-06-27 13:24:35 +01:00
spi-sifive.c
spi: sifive: add PM callbacks to support suspend/resume
2022-06-10 13:32:24 +01:00
spi-slave-mt27xx.c
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spi-slave-system-control.c
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spi-slave-time.c
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spi-sprd-adi.c
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spi-sprd.c
spi: spi-sprd: using pm_runtime_resume_and_get instead of pm_runtime_get_sync
2022-04-25 14:00:57 +01:00
spi-st-ssc4.c
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spi-stm32-qspi.c
spi: stm32-qspi: Remove stm32_qspi_wait_poll_status() unused parameter
2022-06-06 12:39:14 +01:00
spi-stm32.c
spi: stm32: using pm_runtime_resume_and_get instead of pm_runtime_get_sync
2022-04-25 14:01:08 +01:00
spi-sun4i.c
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spi-sun6i.c
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spi-sunplus-sp7021.c
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spi-synquacer.c
spi: synquacer: Add missing clk_disable_unprepare()
2022-06-27 23:26:53 +01:00
spi-tegra20-sflash.c
spi: spi-tegra20-sflash: using pm_runtime_resume_and_get instead of pm_runtime_get_sync
2022-04-25 14:01:03 +01:00
spi-tegra20-slink.c
spi: tegra20-slink: fix UAF in tegra_slink_remove()
2022-07-13 13:49:03 +01:00
spi-tegra114.c
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spi-tegra210-quad.c
spi: tegra210-quad: Multi-cs support
2022-06-13 13:28:29 +01:00
spi-test.h
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spi-ti-qspi.c
spi: spi-ti-qspi: Support per-transfer and per-slave speed_hz settings
2022-06-06 12:41:36 +01:00
spi-tle62x0.c
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spi-topcliff-pch.c
spi: topcliff-pch: Use core message validation
2022-06-20 12:43:36 +01:00
spi-uniphier.c
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spi-xcomm.c
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spi-xilinx.c
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spi-xlp.c
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spi-xtensa-xtfpga.c
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spi-zynq-qspi.c
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spi-zynqmp-gqspi.c
spi: spi-zynqmp-gqspi: Add two chip select support
2022-06-06 12:41:27 +01:00
spi.c
spi: Ensure that sg_table won't be used after being freed
2022-10-21 12:38:19 +02:00
spidev.c
spi: spidev: add SPI_RX_CPHA_FLIP
2022-04-19 13:13:48 +01:00