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WSL2-Linux-Kernel
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WSL2-Linux-Kernel/drivers/leds
История
Christophe JAILLET ca0aae3837 leds: trigger: ledtrig-cpu:: Fix 'output may be truncated' issue for 'cpu' 
[ Upstream commit ff50f53276131a3059e8307d11293af388ed2bcd ]

In order to teach the compiler that 'trig->name' will never be truncated,
we need to tell it that 'cpu' is not negative.

When building with W=1, this fixes the following warnings:

  drivers/leds/trigger/ledtrig-cpu.c: In function ‘ledtrig_cpu_init’:
  drivers/leds/trigger/ledtrig-cpu.c:155:56: error: ‘%d’ directive output may be truncated writing between 1 and 11 bytes into a region of size 5 [-Werror=format-truncation=]
    155 |                 snprintf(trig->name, MAX_NAME_LEN, "cpu%d", cpu);
        |                                                        ^~
  drivers/leds/trigger/ledtrig-cpu.c:155:52: note: directive argument in the range [-2147483648, 7]
    155 |                 snprintf(trig->name, MAX_NAME_LEN, "cpu%d", cpu);
        |                                                    ^~~~~~~
  drivers/leds/trigger/ledtrig-cpu.c:155:17: note: ‘snprintf’ output between 5 and 15 bytes into a destination of size 8
    155 |                 snprintf(trig->name, MAX_NAME_LEN, "cpu%d", cpu);
        |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Fixes: 8f88731d05 ("led-triggers: create a trigger for CPU activity")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/3f4be7a99933cf8566e630da54f6ab913caac432.1695453322.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Lee Jones <lee@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2023-11-20 11:08:25 +01:00
..
blink leds: lgm-sso: Propagate error codes from callee to caller 2021-08-07 09:12:45 +02:00
flash leds: lm3601x: Don't use mutex after it was destroyed 2022-10-26 12:34:39 +02:00
trigger leds: trigger: ledtrig-cpu:: Fix 'output may be truncated' issue for 'cpu' 2023-11-20 11:08:25 +01:00
Kconfig leds: TI_LMU_COMMON: select REGMAP instead of depending on it 2023-05-11 23:00:37 +09:00
Makefile leds: ktd2692: Move driver to flash subdirectory 2021-07-12 10:30:06 +02:00
TODO leds: TODO: Add documentation about possible subsystem improvements 2020-09-30 19:15:33 +02:00
led-class-flash.c leds: flash: Remove redundant initialization of variable ret 2021-08-16 08:47:08 +02:00
led-class-multicolor.c leds: multicolor: Use rounded division when calculating color components 2023-09-19 12:22:48 +02:00
led-class.c leds: led-core: Fix refcount leak in of_led_get() 2023-03-10 09:39:32 +01:00
led-core.c leds: move default_state read from fwnode to core 2021-08-18 08:27:30 +02:00
led-triggers.c leds: trigger: fix potential deadlock with libata 2021-01-31 10:38:03 +01:00
leds-88pm860x.c leds: various: use only available OF children 2020-09-26 21:56:39 +02:00
leds-acer-a500.c leds: Add driver for Acer Iconia Tab A500 2020-09-26 21:56:42 +02:00
leds-adp5520.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 149 2019-05-30 11:25:18 -07:00
leds-an30259a.c leds: parse linux,default-trigger DT property in LED core 2020-09-26 21:56:43 +02:00
leds-apu.c leds: apu: extend support for PC Engines APU1 with newer firmware 2021-02-19 22:15:10 +01:00
leds-ariel.c leds: leds-ariel: convert comma to semicolon 2021-01-31 10:38:02 +01:00
leds-asic3.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
leds-aw2013.c leds: parse linux,default-trigger DT property in LED core 2020-09-26 21:56:43 +02:00
leds-bcm6328.c leds: leds-bcm6328: Demote kernel-doc abuse 2021-05-28 11:38:55 +02:00
leds-bcm6358.c leds: parse linux,default-trigger DT property in LED core 2020-09-26 21:56:43 +02:00
leds-bd2802.c leds: leds-bd2802: remove set but not used variable 'pdata' 2020-02-26 14:34:55 +01:00
leds-blinkm.c leds: leds-blinkm: Remove unused variable 'ret' 2021-05-28 11:38:56 +02:00
leds-clevo-mail.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
leds-cobalt-qube.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
leds-cobalt-raq.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 1 2019-05-21 11:28:39 +02:00
leds-cpcap.c leds: various: use device_get_match_data 2020-09-26 21:56:39 +02:00
leds-cr0014114.c leds: parse linux,default-trigger DT property in LED core 2020-09-26 21:56:43 +02:00
leds-da903x.c leds: da903x: fix use-after-free on unbind 2020-06-22 10:37:58 +02:00
leds-da9052.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
leds-dac124s085.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 330 2019-06-05 17:37:06 +02:00
leds-el15203000.c leds: el15203000: Correct headers (of*.h -> mod_devicetable.h) 2021-08-03 23:46:09 +02:00
leds-fsg.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
leds-gpio-register.c leds: leds-gpio-register: Supply description for param 'id' 2021-05-28 11:38:54 +02:00
leds-gpio.c leds: move default_state read from fwnode to core 2021-08-18 08:27:30 +02:00
leds-hp6xx.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
leds-ip30.c leds: ip30: compile if COMPILE_TEST=y 2020-09-26 21:56:38 +02:00
leds-ipaq-micro.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
leds-is31fl32xx.c leds: is31fl32xx: Fix missing error code in is31fl32xx_parse_dt() 2021-07-12 10:30:07 +02:00
leds-is31fl319x.c leds: various: use only available OF children 2020-09-26 21:56:39 +02:00
leds-lm355x.c leds: Use DEVICE_ATTR_{RW, RO, WO} macros 2020-12-30 19:37:13 +01:00
leds-lm3530.c leds: leds-lm3530: Fix incorrect spelling of 'brightness' 2021-05-28 11:38:58 +02:00
leds-lm3532.c leds: lm3532: Make error handling more robust 2021-05-28 12:00:13 +02:00
leds-lm3533.c Updates for 5.12-rc1. Besides usual fixes and new drivers, we are 2021-02-26 13:56:40 -08:00
leds-lm3642.c leds-lm3642: convert comma to semicolon 2021-04-25 22:21:32 +02:00
leds-lm3692x.c leds: lm3692x: Correct headers (of*.h -> mod_devicetable.h) 2021-08-03 23:46:13 +02:00
leds-lm3697.c leds: lm3697: Make error handling more robust 2021-08-03 23:49:31 +02:00
leds-lm36274.c leds: lm36274: Add missed property.h 2021-05-30 23:03:48 +02:00
leds-locomo.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
leds-lp50xx.c leds: lp50xx: Put fwnode in error case during ->probe() 2021-05-28 12:00:15 +02:00
leds-lp55xx-common.c leds: lp55xx: initialise output direction from dts 2022-01-27 11:04:21 +01:00
leds-lp55xx-common.h leds: lp55xx: Add multicolor framework support to lp55xx 2020-07-22 14:42:06 +02:00
leds-lp3944.c leds: leds-lp3944: Provide missing function names in documentation headers 2021-05-28 11:38:57 +02:00
leds-lp3952.c leds: lp3952: Include the right header 2020-04-17 14:49:22 +02:00
leds-lp5521.c leds: various: use dev_of_node(dev) instead of dev->of_node 2020-09-26 21:56:39 +02:00
leds-lp5523.c leds: lp5523: check return value of lp5xx_read and jump to cleanup code 2021-05-13 17:30:15 +02:00
leds-lp5562.c leds: various: use dev_of_node(dev) instead of dev->of_node 2020-09-26 21:56:39 +02:00
leds-lp8501.c leds: various: use dev_of_node(dev) instead of dev->of_node 2020-09-26 21:56:39 +02:00
leds-lp8788.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
leds-lp8860.c leds: leds-lp8860: Fix kernel-doc related formatting issues 2021-05-28 11:39:00 +02:00
leds-lt3593.c leds: lt3593: Put fwnode in any case during ->probe() 2021-08-03 23:49:31 +02:00
leds-max8997.c leds: Use DEVICE_ATTR_{RW, RO, WO} macros 2020-12-30 19:37:13 +01:00
leds-max77650.c leds: parse linux,default-trigger DT property in LED core 2020-09-26 21:56:43 +02:00
leds-mc13783.c leds: various: use only available OF children 2020-09-26 21:56:39 +02:00
leds-menf21bmc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
leds-mlxcpld.c leds: leds-mlxcpld: Fix a bunch of kernel-doc formatting issues 2021-05-28 11:39:00 +02:00
leds-mlxreg.c leds: leds-mlxreg: Fix incorrect documentation of struct member 'led_cdev' and 'led_cdev_name' 2021-05-28 11:38:59 +02:00
leds-mt6323.c leds: parse linux,default-trigger DT property in LED core 2020-09-26 21:56:43 +02:00
leds-net48xx.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
leds-netxbig.c leds: Use DEVICE_ATTR_{RW, RO, WO} macros 2020-12-30 19:37:13 +01:00
leds-nic78bx.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
leds-ns2.c leds: ns2: do not guard OF match pointer with of_match_ptr 2020-09-30 19:22:58 +02:00
leds-ot200.c leds: leds-ot200: Use devm_led_classdev_register 2015-11-03 08:59:13 +01:00
leds-pca955x.c leds: pca955x: Switch to i2c probe_new 2021-08-20 11:00:08 +02:00
leds-pca963x.c leds: pca963x: use struct led_init_data when registering 2020-09-30 19:15:42 +02:00
leds-pca9532.c leds: pca9532: Assign gpio base dynamically 2021-04-25 23:59:58 +02:00
leds-pm8058.c leds: parse linux,default-trigger DT property in LED core 2020-09-26 21:56:43 +02:00
leds-powernv.c leds: various: use only available OF children 2020-09-26 21:56:39 +02:00
leds-pwm.c leds: pwm: Don't disable the PWM when the LED should be off 2023-11-20 11:08:25 +01:00
leds-rb532.c leds: rb532: cleanup whitespace 2020-01-02 22:41:53 +01:00
leds-regulator.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
leds-s3c24xx.c leds: s3c24xx: Remove unused machine header include 2020-08-17 18:04:06 +02:00
leds-sc27xx-bltc.c leds: various: use only available OF children 2020-09-26 21:56:39 +02:00
leds-spi-byte.c leds: various: use only available OF children 2020-09-26 21:56:39 +02:00
leds-ss4200.c leds: ss4200: simplify the return expression of register_nasgpio_led() 2020-12-30 19:37:14 +01:00
leds-sunfire.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
leds-syscon.c leds: parse linux,default-trigger DT property in LED core 2020-09-26 21:56:43 +02:00
leds-tca6507.c leds: tca6507: Fix error handling of using fwnode_property_read_string 2023-05-11 23:00:37 +09:00
leds-ti-lmu-common.c leds: ti-lmu-common: Move static keyword to the front of declaration 2019-09-03 20:34:46 +02:00
leds-tlc591xx.c leds: tlc591xx: fix return value check in tlc591xx_probe() 2021-05-10 11:58:54 +02:00
leds-tps6105x.c leds: tps6105x: add driver for MFD chip LED mode 2019-12-21 20:10:02 +01:00
leds-turris-omnia.c leds: turris-omnia: Do not use SMBUS calls 2023-11-20 11:08:24 +01:00
leds-wm831x-status.c leds: Use DEVICE_ATTR_{RW, RO, WO} macros 2020-12-30 19:37:13 +01:00
leds-wm8350.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
leds-wrap.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
leds.h leds: move default_state read from fwnode to core 2021-08-18 08:27:30 +02:00
uleds.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00