AuxXxilium/linux_dsm_epyc7002
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ab3dbcf78f
linux_dsm_epyc7002/drivers/gpio
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Timur Tabi ab3dbcf78f gpioib: do not free unrequested descriptors 
If the main loop in linehandle_create() encounters an error, it
unwinds completely by freeing all previously requested GPIO
descriptors.  However, if the error occurs in the beginning of
the loop before that GPIO is requested, then the exit code
attempts to free a null descriptor.  If extrachecks is enabled,
gpiod_free() triggers a WARN_ON.

Instead, keep a separate count of legitimate GPIOs so that only
those are freed.

Cc: stable@vger.kernel.org
Fixes: d7c51b47ac ("gpio: userspace ABI for reading/writing GPIO lines")
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Timur Tabi <timur@codeaurora.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-04-26 11:27:18 +02:00
..
devres.c gpio: Export devm_gpiod_get_from_of_node() for consumers 2018-01-12 11:05:24 +01:00
gpio-74x164.c The is the bulk of GPIO changes for the v4.16 kernel cycle. 2018-01-31 12:25:27 -08:00
gpio-74xx-mmio.c
gpio-104-dio-48e.c gpio: 104-dio-48e: Implement get_multiple callback 2018-03-26 10:26:14 +02:00
gpio-104-idi-48.c gpio: 104-idi-48: Implement get_multiple callback 2018-03-26 10:26:38 +02:00
gpio-104-idio-16.c gpio: 104-idio-16: Implement get_multiple callback 2018-03-26 10:10:18 +02:00
gpio-adnp.c gpio: Move irqdomain into struct gpio_irq_chip 2017-11-08 14:06:21 +01:00
gpio-adp5520.c gpio: adp5520: Include proper header 2018-01-13 22:12:07 +01:00
gpio-adp5588.c gpio: adp5588: Include proper header 2018-01-13 22:14:56 +01:00
gpio-altera-a10sr.c
gpio-altera.c gpio: altera: Include GPIO driver header 2018-01-13 22:18:34 +01:00
gpio-amd8111.c gpio: amd8111: Include proper header 2018-01-13 22:22:49 +01:00
gpio-amdpt.c
gpio-arizona.c gpio: arizona: Include proper header 2018-01-13 22:47:48 +01:00
gpio-aspeed.c gpio: fix aspeed_gpio unmask irq 2018-04-26 11:13:04 +02:00
gpio-ath79.c gpio: ath79: Fix potential NULL dereference in ath79_gpio_probe() 2018-03-27 15:42:29 +02:00
gpio-bcm-kona.c The is the bulk of GPIO changes for the v4.16 kernel cycle. 2018-01-31 12:25:27 -08:00
gpio-bd9571mwv.c
gpio-brcmstb.c The is the bulk of GPIO changes for the v4.16 kernel cycle. 2018-01-31 12:25:27 -08:00
gpio-bt8xx.c gpio: bt8xx: Include proper header 2018-01-13 22:56:52 +01:00
gpio-clps711x.c
gpio-crystalcove.c gpio: crystalcove: Include proper header 2018-01-14 01:48:48 +01:00
gpio-cs5535.c gpio: cs5535: Include proper header 2018-01-14 01:56:24 +01:00
gpio-da9052.c gpio: da905x: Include proper header 2018-01-14 02:00:10 +01:00
gpio-da9055.c gpio: da905x: Include proper header 2018-01-14 02:00:10 +01:00
gpio-davinci.c gpio: davinci: add support for pinmux gpio ranges 2018-02-12 09:36:06 +01:00
gpio-dln2.c gpio: dln2: Include proper header 2018-03-19 01:50:07 +01:00
gpio-dwapb.c gpio: dwapb: Add support for a bus clock 2018-03-27 15:18:19 +02:00
gpio-eic-sprd.c gpio: Add Spreadtrum EIC driver support 2018-03-27 15:51:17 +02:00
gpio-em.c gpio: em: Use the right include 2018-03-19 01:50:07 +01:00
gpio-ep93xx.c
gpio-exar.c
gpio-f7188x.c
gpio-ftgpio010.c gpio: ftgpio010: Drop of_gpio.h include 2018-03-19 01:50:24 +01:00
gpio-ge.c gpio: ge: Drop of_gpio.h include 2018-03-19 01:50:07 +01:00
gpio-gpio-mm.c gpio: gpio-mm: Implement get_multiple callback 2018-03-26 10:27:31 +02:00
gpio-grgpio.c gpio: grgpio: Include the right header 2018-03-19 01:50:28 +01:00
gpio-hlwd.c gpio: Add GPIO driver for Nintendo Wii 2018-02-22 13:54:35 +01:00
gpio-htc-egpio.c gpio: htc-gpio: Include the right header 2018-03-19 01:50:28 +01:00
gpio-ich.c gpio: ich: Use BIT() macro 2018-03-19 01:50:29 +01:00
gpio-ingenic.c gpio: Move irqdomain into struct gpio_irq_chip 2017-11-08 14:06:21 +01:00
gpio-intel-mid.c gpio-intel-mid: Delete an error message 2018-02-22 15:29:05 +01:00
gpio-iop.c gpio: iop: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE 2017-12-02 22:42:21 +01:00
gpio-it87.c gpio: it87: Include the right header 2018-03-19 01:50:29 +01:00
gpio-janz-ttl.c gpio: janz-ttl: Use BIT() macro 2018-03-19 01:50:30 +01:00
gpio-kempld.c gpio: kempld: Include the right header 2018-03-19 01:50:31 +01:00
gpio-ks8695.c gpio: ks8695: Include the right header 2018-03-19 01:50:31 +01:00
gpio-loongson1.c gpio: loongson1: fix bgpio usage 2017-10-25 11:25:38 +02:00
gpio-loongson.c
gpio-lp873x.c
gpio-lp3943.c
gpio-lp87565.c
gpio-lpc18xx.c
gpio-lpc32xx.c
gpio-lynxpoint.c gpio: Move irqdomain into struct gpio_irq_chip 2017-11-08 14:06:21 +01:00
gpio-max730x.c
gpio-max732x.c gpio: max732x: Remove duplicate NULL check 2017-11-29 13:25:23 +01:00
gpio-max3191x.c gpio: Remove VLA from MAX3191X driver 2018-03-27 15:18:06 +02:00
gpio-max7300.c
gpio-max7301.c
gpio-max77620.c
gpio-mb86s7x.c gpio: mb86s70: Revert "Return error if requesting an already assigned gpio" 2017-10-31 13:13:34 +01:00
gpio-mc9s08dz60.c
gpio-mc33880.c
gpio-menz127.c
gpio-merrifield.c gpio: merrifield: Delete an error message 2018-02-22 15:25:40 +01:00
gpio-ml-ioh.c gpio-ml-ioh: Delete an error message 2018-02-22 15:25:39 +01:00
gpio-mm-lantiq.c
gpio-mmio.c gpio: mmio: Also read bits that are zero 2018-01-16 23:42:36 +01:00
gpio-mockup.c gpio: mockup: fix a potential crash when creating debugfs entries 2018-03-27 15:18:20 +02:00
gpio-mpc8xxx.c gpio: mpc8xxx: Do not reverse bits using bgpio 2017-10-25 11:25:40 +02:00
gpio-mpc5200.c
gpio-msic.c
gpio-mvebu.c
gpio-mxc.c
gpio-mxs.c
gpio-octeon.c
gpio-omap.c gpio: omap: Improve a size determination 2018-02-22 15:25:32 +01:00
gpio-palmas.c
gpio-pca953x.c gpio: pca953x: add compatibility for pcal6524 and pcal9555a 2018-03-27 15:18:20 +02:00
gpio-pcf857x.c gpio: Move irqdomain into struct gpio_irq_chip 2017-11-08 14:06:21 +01:00
gpio-pch.c
gpio-pci-idio-16.c gpio: pci-idio-16: Implement get_multiple callback 2018-03-26 10:24:06 +02:00
gpio-pcie-idio-24.c gpio: pcie-idio-24: Implement get_multiple/set_multiple callbacks 2018-03-26 10:24:55 +02:00
gpio-pisosr.c
gpio-pl061.c gpio: Move irqdomain into struct gpio_irq_chip 2017-11-08 14:06:21 +01:00
gpio-pmic-eic-sprd.c gpio: Add Spreadtrum PMIC EIC driver support 2018-03-27 15:51:22 +02:00
gpio-pxa.c
gpio-raspberrypi-exp.c gpio: raspberrypi-exp: Driver for RPi3 GPIO expander via mailbox service 2018-02-22 13:49:59 +01:00
gpio-rc5t583.c
gpio-rcar.c Linux 4.16-rc5 2018-03-18 17:48:59 +01:00
gpio-rdc321x.c
gpio-reg.c gpio: gpio-reg: fix build 2017-12-22 15:24:31 +01:00
gpio-sa1100.c
gpio-sch311x.c
gpio-sch.c
gpio-sodaville.c
gpio-spear-spics.c
gpio-sprd.c gpio: Add GPIO driver for Spreadtrum SC9860 platform 2018-03-02 11:00:43 +01:00
gpio-sta2x11.c
gpio-stmpe.c gpio: stmpe: Delete an unnecessary variable initialisation in stmpe_gpio_probe() 2018-01-17 07:44:16 +01:00
gpio-stp-xway.c
gpio-syscon.c
gpio-tb10x.c
gpio-tc3589x.c gpio: Move irqdomain into struct gpio_irq_chip 2017-11-08 14:06:21 +01:00
gpio-tegra186.c gpio: tegra186: Remove tegra186_gpio_lock_class 2017-11-13 11:43:10 +01:00
gpio-tegra.c gpio: tegra: Convert to use DEFINE_SHOW_ATTRIBUTE macro 2018-02-22 15:25:40 +01:00
gpio-thunderx.c gpio: thunderx: fix error return code in thunderx_gpio_probe() 2018-01-11 10:49:32 +01:00
gpio-timberdale.c gpio: timberdale: Improve a size determination 2018-02-22 15:14:58 +01:00
gpio-tpic2810.c
gpio-tps6586x.c
gpio-tps65086.c
gpio-tps65218.c
gpio-tps65910.c
gpio-tps65912.c
gpio-tps68470.c gpio: tps68470: Update to SPDX license identifier 2018-02-23 15:26:42 +01:00
gpio-ts4800.c
gpio-ts4900.c
gpio-ts5500.c
gpio-twl4030.c
gpio-twl6040.c
gpio-ucb1400.c
gpio-uniphier.c gpio: uniphier: fix mismatch between license text and MODULE_LICENSE 2017-11-30 15:37:42 +01:00
gpio-vf610.c gpio: Move irqdomain into struct gpio_irq_chip 2017-11-08 14:06:21 +01:00
gpio-viperboard.c
gpio-vr41xx.c
gpio-vx855.c
gpio-wcove.c gpio: Move irqdomain into struct gpio_irq_chip 2017-11-08 14:06:21 +01:00
gpio-winbond.c gpio: winbond: Add driver 2018-01-09 14:51:00 +01:00
gpio-wm831x.c gpio-wm831x: Use seq_putc() in wm831x_gpio_dbg_show() 2018-02-12 09:36:06 +01:00
gpio-wm8350.c
gpio-wm8994.c
gpio-ws16c48.c gpio: ws16c48: Implement get_multiple callback 2018-03-26 10:28:19 +02:00
gpio-xgene-sb.c genirq/irqdomain: Rename early argument of irq_domain_activate_irq() 2017-12-29 21:13:04 +01:00
gpio-xgene.c
gpio-xilinx.c
gpio-xlp.c gpio: Move irqdomain into struct gpio_irq_chip 2017-11-08 14:06:21 +01:00
gpio-xra1403.c gpio: Remove VLA from xra1403 driver 2018-03-27 15:18:19 +02:00
gpio-xtensa.c
gpio-zevio.c
gpio-zx.c gpio: Move irqdomain into struct gpio_irq_chip 2017-11-08 14:06:21 +01:00
gpio-zynq.c gpio: Move irqdomain into struct gpio_irq_chip 2017-11-08 14:06:21 +01:00
gpiolib-acpi.c This is the bulk of pin control changes for the v4.16 kernel cycle: 2018-02-02 14:22:53 -08:00
gpiolib-devprop.c gpio: fix "gpio-line-names" property retrieval 2017-12-22 15:24:31 +01:00
gpiolib-legacy.c
gpiolib-of.c DeviceTree updates for 4.17: 2018-04-05 21:03:42 -07:00
gpiolib-sysfs.c gpio: sysfs: avoid using kstrtol() in 'value' attribute write 2017-12-20 10:34:58 +01:00
gpiolib.c gpioib: do not free unrequested descriptors 2018-04-26 11:27:18 +02:00
gpiolib.h gpio: include consumer header in gpiolib.h 2018-02-22 15:30:31 +01:00
Kconfig This is the bulk of GPIO changes for the v4.17 kernel cycle: 2018-04-05 09:51:41 -07:00
Makefile This is the bulk of GPIO changes for the v4.17 kernel cycle: 2018-04-05 09:51:41 -07:00