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linux/drivers/gpio
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Aleksandr Mishin cd75721984 gpio: davinci: Validate the obtained number of IRQs 
[ Upstream commit 7aa9b96e9a ]

Value of pdata->gpio_unbanked is taken from Device Tree. In case of broken
DT due to any error this value can be any. Without this value validation
there can be out of chips->irqs array boundaries access in
davinci_gpio_probe().

Validate the obtained nirq value so that it won't exceed the maximum
number of IRQs per bank.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: eb3744a2dd ("gpio: davinci: Do not assume continuous IRQ numbering")
Signed-off-by: Aleksandr Mishin <amishin@t-argos.ru>
Link: https://lore.kernel.org/r/20240618144344.16943-1-amishin@t-argos.ru
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-07-05 09:08:28 +02:00
..
gpio-74x164.c gpio: 74x164: Enable output pins after registers are reset 2024-03-06 14:36:10 +00:00
gpio-74xx-mmio.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
gpio-104-dio-48e.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
gpio-104-idi-48.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
gpio-104-idio-16.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
gpio-adnp.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
gpio-adp5520.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 149 2019-05-30 11:25:18 -07:00
gpio-adp5588.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 149 2019-05-30 11:25:18 -07:00
gpio-altera-a10sr.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201 2019-05-30 11:29:52 -07:00
gpio-altera.c gpio: altera: Pass irqchip when adding gpiochip 2019-07-03 10:24:12 +02:00
gpio-amd8111.c gpio: amd8111: Fix PCI device reference count leak 2022-12-14 11:30:44 +01:00
gpio-amd-fch.c drivers: gpio: amd-fch: make resource struct const 2019-07-03 10:10:32 +02:00
gpio-amdpt.c Bulk GPIO changes for the v5.3 kernel cycle: 2019-07-09 09:07:00 -07:00
gpio-arizona.c gpio: arizona: put pm_runtime in case of failure 2020-07-29 10:18:26 +02:00
gpio-aspeed.c gpio: aspeed: fix the GPIO number passed to pinctrl_gpio_set_config() 2023-10-10 21:46:45 +02:00
gpio-ath79.c Bulk GPIO changes for the v5.3 kernel cycle: 2019-07-09 09:07:00 -07:00
gpio-bcm-kona.c gpio: bcm-kona: Fix return value of bcm_kona_gpio_probe() 2020-06-03 08:21:21 +02:00
gpio-bd9571mwv.c
gpio-bd70528.c gpio: bd70528: Use correct unit for debounce times 2019-11-12 11:18:52 +01:00
gpio-brcmstb.c gpio: Remove dev_err() usage after platform_get_irq() 2019-08-05 13:25:34 +02:00
gpio-bt8xx.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
gpio-cadence.c gpio: cadence: Add missing MODULE_DEVICE_TABLE 2021-06-03 08:59:08 +02:00
gpio-clps711x.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
gpio-creg-snps.c gpio: creg-snps: use devm_platform_ioremap_resource() to simplify code 2019-09-11 14:50:02 +01:00
gpio-crystalcove.c gpio: crystalcove: Use -ENOTSUPP consistently 2024-05-17 11:43:52 +02:00
gpio-cs5535.c docs: driver-model: move it to the driver-api book 2019-07-15 11:03:02 -03:00
gpio-da9052.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
gpio-da9055.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
gpio-davinci.c gpio: davinci: Validate the obtained number of IRQs 2024-07-05 09:08:28 +02:00
gpio-dln2.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 372 2019-06-05 17:37:10 +02:00
gpio-dwapb.c gpio: dwapb: Append MODULE_ALIAS for platform driver 2020-06-24 17:50:21 +02:00
gpio-eic-sprd.c gpio: eic-sprd: Clear interrupt after set the interrupt type 2024-02-23 08:24:53 +01:00
gpio-em.c gpio: em: use a helper variable for &pdev->dev 2019-07-22 14:40:07 +02:00
gpio-ep93xx.c gpio: ep93xx: Fix single irqchip with multi gpiochips 2021-02-17 10:35:14 +01:00
gpio-exar.c gpio: exar: Fix bad handling for ida_simple_get error path 2020-06-03 08:21:19 +02:00
gpio-f7188x.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
gpio-ftgpio010.c gpio: ftgpio: Fix an error handling path in 'ftgpio_gpio_probe()' 2019-08-23 12:02:34 +02:00
gpio-ge.c
gpio-gpio-mm.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
gpio-grgpio.c gpio: gpio-grgpio: fix possible sleep-in-atomic-context bugs in grgpio_irq_map/unmap() 2020-02-24 08:36:26 +01:00
gpio-gw-pld.c gpio: Add a Gateworks PLD GPIO driver 2019-02-09 11:33:37 +01:00
gpio-hlwd.c gpio: hlwd: Pass irqchip when adding gpiochip 2019-08-15 09:57:29 +02:00
gpio-htc-egpio.c gpio: htc-egpio: Remove unused exported htc_egpio_get_wakeup_irq() 2019-09-12 10:07:44 +01:00
gpio-ich.c gpio: ich: Convert to use SPDX identifier 2018-12-07 17:34:07 +02:00
gpio-intel-mid.c gpio: intel-mid: Move hardware initialization to callback 2019-10-15 01:18:51 +02:00
gpio-iop.c 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
gpio-it87.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 300 2019-06-05 17:37:00 +02:00
gpio-ixp4xx.c gpio: updates for v5.4 2019-09-03 16:04:19 +02:00
gpio-janz-ttl.c Bulk GPIO changes for the v5.3 kernel cycle: 2019-07-09 09:07:00 -07:00
gpio-kempld.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 294 2019-06-05 17:36:38 +02:00
gpio-loongson1.c drivers: gpio: loongon1: use devm_platform_ioremap_resource() 2019-04-05 00:04:26 +07:00
gpio-loongson.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
gpio-lp873x.c
gpio-lp3943.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 372 2019-06-05 17:37:10 +02:00
gpio-lp87565.c
gpio-lpc18xx.c drivers: gpio: lpc18xx: use devm_platform_ioremap_resource() 2019-04-05 00:04:26 +07:00
gpio-lpc32xx.c gpio: lpc32xx: allow building on non-lpc32xx targets 2019-08-15 21:33:07 +02:00
gpio-lynxpoint.c gpio: lynxpoint: Setup correct IRQ handlers 2020-01-04 19:18:20 +01:00
gpio-madera.c gpio: madera: Add support for Cirrus Logic CS47L92 2019-08-05 11:45:24 +02:00
gpio-max730x.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
gpio-max732x.c Bulk GPIO changes for the v5.3 kernel cycle: 2019-07-09 09:07:00 -07:00
gpio-max3191x.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
gpio-max7300.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
gpio-max7301.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
gpio-max77620.c gpio: max77620: Fixup debounce delays 2019-11-12 11:13:54 +01:00
gpio-max77650.c gpio: max77650: add MODULE_ALIAS() 2019-07-29 00:03:52 +02:00
gpio-mb86s7x.c gpiolib: acpi: Split ACPI stuff to gpiolib-acpi.h 2019-07-31 00:57:21 +02:00
gpio-mc9s08dz60.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
gpio-mc33880.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 176 2019-05-30 11:29:19 -07:00
gpio-menz127.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
gpio-merrifield.c Revert "gpio: merrifield: Pass irqchip when adding gpiochip" 2019-11-03 23:41:11 +01:00
gpio-ml-ioh.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 167 2019-05-30 11:26:39 -07:00
gpio-mlxbf.c gpio: mlxbf: remove unused including <linux/version.h> 2019-04-08 08:47:06 +02:00
gpio-mm-lantiq.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
gpio-mmio.c gpio: mmio: Drop bgpio_dir_inverted 2019-04-08 11:17:43 +02:00
gpio-mockup.c gpio: mockup: Fix mode of debugfs files 2023-05-30 12:44:09 +01:00
gpio-moxtet.c drivers: gpio: Add support for GPIOs over Moxtet bus 2019-08-14 15:30:56 +02:00
gpio-mpc8xxx.c gpio: mpc8xxx: Fix support for IRQ_TYPE_LEVEL_LOW flow_type in mpc85xx 2022-09-28 11:03:57 +02:00
gpio-mpc5200.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
gpio-msic.c gpio: msic: Convert to use SPDX identifier 2019-02-08 15:55:41 +02:00
gpio-mt7621.c gpio: mt7621: Pass irqchip when adding gpiochip 2019-08-23 12:05:06 +02:00
gpio-mvebu.c gpio: mvebu/pwm: Refuse requests with inverted polarity 2022-05-25 09:14:37 +02:00
gpio-mxc.c gpio: mxc: Always set GPIOs used as interrupt source to INPUT mode 2023-02-06 07:52:37 +01:00
gpio-mxs.c gpio: mxs: read pin level directly instead of using .get 2018-12-21 11:29:57 +01:00
gpio-octeon.c drivers: gpio: octeon: use devm_platform_ioremap_resource() 2019-04-05 00:04:27 +07:00
gpio-omap.c gpio: omap: Save and restore sysconfig 2021-04-28 13:19:14 +02:00
gpio-palmas.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201 2019-05-30 11:29:52 -07:00
gpio-pca953x.c gpio: pca953x: Add mutex_lock for regcache sync in PM 2022-09-15 12:04:52 +02:00
gpio-pcf857x.c gpio: pcf857x: Fix missing first interrupt 2021-03-04 10:26:49 +01:00
gpio-pch.c gpio: pch: Use dev_get_drvdata 2019-07-23 18:59:05 +03:00
gpio-pci-idio-16.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
gpio-pcie-idio-24.c gpio: pcie-idio-24: Enable PEX8311 interrupts 2020-11-18 19:20:31 +01:00
gpio-pisosr.c
gpio-pl061.c Bulk GPIO changes for the v5.3 kernel cycle: 2019-07-09 09:07:00 -07:00
gpio-pmic-eic-sprd.c gpio: pmic-eic-sprd: Add can_sleep flag for PMIC EIC chip 2023-10-10 21:46:39 +02:00
gpio-pxa.c gpio: pxa: disable pinctrl calls for MMP_GPIO 2023-10-10 21:46:45 +02:00
gpio-raspberrypi-exp.c gpio: raspberrypi-exp: decrease refcount on firmware dt node 2018-12-17 15:28:30 +01:00
gpio-rc5t583.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201 2019-05-30 11:29:52 -07:00
gpio-rcar.c gpio: rcar: Fix runtime PM imbalance on error 2020-10-01 13:18:04 +02:00
gpio-rdc321x.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
gpio-reg.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 233 2019-06-19 17:09:06 +02:00
gpio-sa1100.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
gpio-sama5d2-piobu.c gpio: sama5d2-piobu: Set proper output level for direction_output 2019-01-11 10:34:37 +01:00
gpio-sch311x.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
gpio-sch.c gpio: sch: Remove write-only core_base 2019-04-23 13:08:33 +02:00
gpio-siox.c gpio: siox: explicitly support only threaded irqs 2020-10-07 08:01:23 +02:00
gpio-sodaville.c gpio: sodaville: Convert to use SPDX identifier 2018-12-07 17:34:08 +02:00
gpio-spear-spics.c drivers: gpio: spear-spics: use devm_platform_ioremap_resource() 2019-04-05 00:04:27 +07:00
gpio-sprd.c gpio: sprd: Clear interrupt when setting the type as edge 2020-10-07 08:01:27 +02:00
gpio-sta2x11.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
gpio-stmpe.c gpio: Initialize the irqchip valid_mask with a callback 2019-09-11 01:09:37 +01:00
gpio-stp-xway.c Bulk GPIO changes for the v5.3 kernel cycle: 2019-07-09 09:07:00 -07:00
gpio-syscon.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
gpio-tb10x.c gpio: tb10x: Fix an error handling path in tb10x_gpio_probe() 2023-10-10 21:46:38 +02:00
gpio-tc3589x.c gpio: tc35894: fix up tc35894 interrupt configuration 2020-10-07 08:01:24 +02:00
gpio-tegra186.c gpio: tegra186: Fix chip_data type confusion 2022-03-02 11:41:17 +01:00
gpio-tegra.c gpio: tegra: mask GPIO IRQs during IRQ shutdown 2020-06-03 08:21:09 +02:00
gpio-thunderx.c Revert "gpio: thunderx: Switch to GPIOLIB_IRQCHIP" 2020-01-23 08:22:29 +01:00
gpio-timberdale.c gpio: timberdale: Fix potential deadlock on &tgpio->lock 2023-10-25 11:53:23 +02:00
gpio-tpic2810.c
gpio-tps6586x.c
gpio-tps65086.c
gpio-tps65218.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 111 2019-05-24 17:39:01 +02:00
gpio-tps65910.c
gpio-tps65912.c
gpio-tps68470.c gpio: tps68470: Make tps68470_gpio_output() always set the initial value 2023-08-11 11:53:44 +02:00
gpio-tqmx86.c gpio: tqmx86: really make IRQ optional 2021-08-12 13:20:57 +02:00
gpio-ts4800.c drivers: gpio: ts4800: use devm_platform_ioremap_resource() 2019-04-05 00:04:28 +07:00
gpio-ts4900.c gpio: ts4900: Do not set DAT and OE together 2022-03-16 13:21:46 +01:00
gpio-ts5500.c
gpio-twl4030.c
gpio-twl6040.c
gpio-ucb1400.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
gpio-uniphier.c gpio: uniphier: Fix void functions to remove return value 2021-09-30 10:09:23 +02:00
gpio-vf610.c gpio: vf610: set value before the direction to avoid a glitch 2023-10-25 11:53:24 +02:00
gpio-viperboard.c gpio: viperboard: Replace 'unsigned' with 'unsigned int' 2019-08-05 11:26:58 +02:00
gpio-vr41xx.c MIPS: Remove repetitive increase irq_err_count 2022-06-29 08:58:46 +02:00
gpio-vx855.c
gpio-wcove.c gpio: wcove: Use -ENOTSUPP consistently 2024-05-17 11:43:52 +02:00
gpio-winbond.c gpio: winbond: Fix error code in winbond_gpio_get() 2022-06-29 08:58:47 +02:00
gpio-wm831x.c
gpio-wm8350.c
gpio-wm8994.c
gpio-ws16c48.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
gpio-xgene-sb.c gpiolib: acpi: Split ACPI stuff to gpiolib-acpi.h 2019-07-31 00:57:21 +02:00
gpio-xgene.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234 2019-06-19 17:09:07 +02:00
gpio-xilinx.c gpio: xilinx: Fix bug where the wrong GPIO register is written to 2020-02-19 19:53:02 +01:00
gpio-xlp.c gpio: xlp: Pass irqchip when adding gpiochip 2019-08-15 09:55:07 +02:00
gpio-xra1403.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201 2019-05-30 11:29:52 -07:00
gpio-xtensa.c gpio: xtensa: fix driver build 2020-01-09 10:19:59 +01:00
gpio-zevio.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
gpio-zx.c gpio: zx: Pass irqchip when adding gpiochip 2019-08-23 09:40:44 +02:00
gpio-zynq.c gpio: zynq: Check return value of pm_runtime_get_sync 2021-07-20 16:10:44 +02:00
gpiolib-acpi.c gpiolib: acpi: Ignore touchpad wakeup on GPD G1619-04 2024-02-23 08:24:52 +01:00
gpiolib-acpi.h gpiolib: acpi: make acpi_can_fallback_to_crs() static 2019-09-10 11:34:20 +01:00
gpiolib-devprop.c gpiolib: devprop: Fix syntax error 2019-04-08 11:20:12 +02:00
gpiolib-devres.c gpio: devres: Switch to EXPORT_SYMBOL_GPL() 2019-09-11 14:47:39 +01:00
gpiolib-legacy.c
gpiolib-of.c gpio: gpiolib-of: Fix refcount bugs in of_mm_gpiochip_add_data() 2022-08-25 11:17:57 +02:00
gpiolib-of.h gpio: of: Make of_get_named_gpiod_flags() private 2019-09-11 14:45:01 +01:00
gpiolib-sysfs.c gpiolib: sysfs: Fix error handling on failed export 2023-12-13 18:18:15 +01:00
gpiolib.c gpio: fix locking open drain IRQ lines 2020-06-03 08:21:28 +02:00
gpiolib.h gpiolib: acpi: Split ACPI stuff to gpiolib-acpi.h 2019-07-31 00:57:21 +02:00
Kconfig gpio: tqmx86: fix typo in Kconfig label 2024-07-05 09:08:16 +02:00
Makefile ARM: SoC driver updates for v5.4 2019-09-16 15:52:38 -07:00
sgpio-aspeed.c gpio/aspeed-sgpio: don't enable all interrupts by default 2020-10-07 08:01:28 +02:00
TODO gpio: Add GPIOLIB_IRQCHIP cleanup to TODO 2019-06-14 10:16:15 +02:00