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linux/drivers/leds
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Florian Eckert 25054b2326 leds: ledtrig-tty: Free allocated ttyname buffer on deactivate 
The ttyname buffer for the ledtrig_tty_data struct is allocated in the
sysfs ttyname_store() function. This buffer must be released on trigger
deactivation. This was missing and is thus a memory leak.

While we are at it, the TTY handler in the ledtrig_tty_data struct should
also be returned in case of the trigger deactivation call.

Cc: stable@vger.kernel.org
Fixes: fd4a641ac88f ("leds: trigger: implement a tty trigger")
Signed-off-by: Florian Eckert <fe@dev.tdt.de>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20231127081621.774866-1-fe@dev.tdt.de
Signed-off-by: Lee Jones <lee@kernel.org>
2023-12-13 11:28:43 +00:00
..
blink
leds: Convert all platform drivers to return void
2023-11-01 11:28:35 +00:00
flash
leds: lm3601x: Convert to use maple tree register cache
2023-11-01 11:29:00 +00:00
rgb
pwm: Changes for v6.7-rc1
2023-11-09 13:47:52 -08:00
simple
leds: simatic-ipc-leds-gpio: Convert to platform remove callback returning void
2023-11-01 11:28:33 +00:00
trigger
leds: ledtrig-tty: Free allocated ttyname buffer on deactivate
2023-12-13 11:28:43 +00:00
Kconfig
leds: max5970: Add support for max5970
2023-12-13 11:28:41 +00:00
led-class-flash.c
led-class-flash: fix -Wrestrict warning
2021-09-27 16:09:42 +02:00
led-class-multicolor.c
leds: multicolor: Use rounded division when calculating color components
2023-08-17 11:25:03 +01:00
led-class.c
leds: Make leds_class a static const structure
2023-08-18 08:43:11 +01:00
led-core.c
- Core Frameworks
2023-11-02 14:53:19 -10:00
led-triggers.c
leds: Clear LED_INIT_DEFAULT_TRIGGER when clearing current trigger
2023-05-25 12:16:33 +01:00
leds-88pm860x.c
leds: Convert all platform drivers to return void
2023-11-01 11:28:35 +00:00
leds-acer-a500.c
leds: Add driver for Acer Iconia Tab A500
2020-09-26 21:56:42 +02:00
leds-adp5520.c
leds: Convert all platform drivers to return void
2023-11-01 11:28:35 +00:00
leds-an30259a.c
leds: Remove redundant of_match_ptr()
2023-08-17 13:28:25 +01:00
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: Explicitly include correct DT includes
2023-07-28 10:02:32 +01:00
leds-aw200xx.c
leds: aw200xx: Convert to use maple tree register cache
2023-11-01 11:29:01 +00:00
leds-aw2013.c
leds: aw2013: Enable pull-up supply for interrupt and I2C
2023-08-18 16:47:21 +01:00
leds-bcm6328.c
leds: bcm6328: Get rid of custom led_init_default_state_get()
2023-01-30 08:03:37 +00:00
leds-bcm6358.c
leds: bcm6358: Get rid of custom led_init_default_state_get()
2023-01-30 08:03:38 +00:00
leds-bd2606mvv.c
leds: Switch i2c drivers back to use .probe()
2023-05-25 12:16:22 +01:00
leds-bd2802.c
leds: Switch i2c drivers back to use .probe()
2023-05-25 12:16:22 +01:00
leds-blinkm.c
leds: blinkm: Replace all non-returning strlcpy with strscpy
2023-05-25 12:31:18 +01:00
leds-cht-wcove.c
leds: cht-wcove: Remove unneeded semicolon
2023-06-08 18:11:14 +01:00
leds-clevo-mail.c
leds: Convert all platform drivers to return void
2023-11-01 11:28:35 +00:00
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: Explicitly include correct DT includes
2023-07-28 10:02:32 +01:00
leds-cr0014114.c
leds: cr0014114: Annotate struct cr0014114 with __counted_by
2023-11-01 11:28:26 +00:00
leds-da903x.c
leds: Convert all platform drivers to return void
2023-11-01 11:28:35 +00:00
leds-da9052.c
leds: Convert all platform drivers to return void
2023-11-01 11:28:35 +00:00
leds-dac124s085.c
spi: make remove callback a void function
2022-02-09 13:00:45 +00:00
leds-el15203000.c
leds: el15203000: Annotate struct el15203000 with __counted_by
2023-11-01 11:28:28 +00:00
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: gpio: Update headers
2023-11-01 11:29:24 +00:00
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: Convert to devm_platform_ioremap_resource()
2023-07-28 09:26:21 +01:00
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: Explicitly include correct DT includes
2023-07-28 10:02:32 +01:00
leds-is31fl319x.c
leds: Switch i2c drivers back to use .probe()
2023-05-25 12:16:22 +01:00
leds-lm355x.c
leds: Switch i2c drivers back to use .probe()
2023-05-25 12:16:22 +01:00
leds-lm3530.c
leds: Switch i2c drivers back to use .probe()
2023-05-25 12:16:22 +01:00
leds-lm3532.c
leds: Switch i2c drivers back to use .probe()
2023-05-25 12:16:22 +01:00
leds-lm3533.c
leds: Convert all platform drivers to return void
2023-11-01 11:28:35 +00:00
leds-lm3642.c
leds: Switch i2c drivers back to use .probe()
2023-05-25 12:16:22 +01:00
leds-lm3692x.c
leds: lm392x: Convert to use maple tree register cache
2023-11-01 11:29:02 +00:00
leds-lm3697.c
leds: lm3697: Annotate struct lm3697 with __counted_by
2023-11-01 11:28:31 +00:00
leds-lm36274.c
leds: lm36274: Add missed property.h
2021-05-30 23:03:48 +02:00
leds-locomo.c
ARM: pxa: split up mach/hardware.h
2022-04-19 16:27:05 +02:00
leds-lp50xx.c
leds: Switch i2c drivers back to use .probe()
2023-05-25 12:16:22 +01:00
leds-lp55xx-common.c
leds: lp55xx: Use gpiod_set_value_cansleep()
2023-11-01 11:28:42 +00:00
leds-lp55xx-common.h
leds: lp55xx: Add multicolor framework support to lp55xx
2020-07-22 14:42:06 +02:00
leds-lp3944.c
leds: Switch i2c drivers back to use .probe()
2023-05-25 12:16:22 +01:00
leds-lp3952.c
leds: lp3952: Convert to use maple tree register cache
2023-11-01 11:29:03 +00:00
leds-lp5521.c
leds: lp5521: Add an error check in lp5521_post_init_device
2023-11-01 11:29:26 +00:00
leds-lp5523.c
leds: Remove redundant of_match_ptr()
2023-08-17 13:28:25 +01:00
leds-lp5562.c
leds: Remove redundant of_match_ptr()
2023-08-17 13:28:25 +01:00
leds-lp8501.c
leds: Remove redundant of_match_ptr()
2023-08-17 13:28:25 +01:00
leds-lp8788.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
leds-lp8860.c
leds: Switch i2c drivers back to use .probe()
2023-05-25 12:16:22 +01:00
leds-lt3593.c
leds: lt3593: Put fwnode in any case during ->probe()
2021-08-03 23:49:31 +02:00
leds-max5970.c
leds: max5970: Add support for max5970
2023-12-13 11:28:41 +00:00
leds-max8997.c
leds: max8997: Don't error if there is no pdata
2022-10-22 11:55:03 +02:00
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: Convert all platform drivers to return void
2023-11-01 11:28:35 +00:00
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: Convert all platform drivers to return void
2023-11-01 11:28:35 +00:00
leds-mt6323.c
leds: Convert all platform drivers to return void
2023-11-01 11:28:35 +00:00
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
leds: Convert all platform drivers to return void
2023-11-01 11:28:35 +00:00
leds-ns2.c
leds: ns2: Slightly simplify a memory allocation
2023-07-28 11:58:04 +01:00
leds-ot200.c
leds: leds-ot200: Use devm_led_classdev_register
2015-11-03 08:59:13 +01:00
leds-pca955x.c
leds: pca955x: Cleanup OF/ID table terminators
2023-11-01 11:28:55 +00:00
leds-pca963x.c
leds: Switch i2c drivers back to use .probe()
2023-05-25 12:16:22 +01:00
leds-pca995x.c
leds: pca995x: Fix MODULE_DEVICE_TABLE for OF
2023-08-15 18:30:07 +01:00
leds-pca9532.c
leds: Explicitly include correct DT includes
2023-07-28 10:02:32 +01:00
leds-pm8058.c
leds: Explicitly include correct DT includes
2023-07-28 10:02:32 +01:00
leds-powernv.c
leds: Convert all platform drivers to return void
2023-11-01 11:28:35 +00:00
leds-pwm.c
leds: pwm: Don't disable the PWM when the LED should be off
2023-11-01 11:28:50 +00:00
leds-rb532.c
leds: Convert all platform drivers to return void
2023-11-01 11:28:35 +00:00
leds-regulator.c
leds: Convert all platform drivers to return void
2023-11-01 11:28:35 +00:00
leds-sc27xx-bltc.c
leds: sc27xx: Move mutex_init() down
2023-11-01 11:29:15 +00:00
leds-spi-byte.c
leds: Explicitly include correct DT includes
2023-07-28 10:02:32 +01:00
leds-ss4200.c
leds: ss4200: simplify the return expression of register_nasgpio_led()
2020-12-30 19:37:14 +01:00
leds-sun50i-a100.c
leds: sun50i-a100: New driver for the A100 LED controller
2023-12-13 11:28:30 +00:00
leds-sunfire.c
leds: Convert all platform drivers to return void
2023-11-01 11:28:35 +00:00
leds-syscon.c
leds: syscon: Support 'reg' in addition to 'offset' for register address
2023-12-13 11:28:26 +00:00
leds-tca6507.c
leds: tca6507: Use devm_led_classdev_register() to simplify remove path
2023-12-13 11:28:41 +00:00
leds-ti-lmu-common.c
leds: Explicitly include correct DT includes
2023-07-28 10:02:32 +01:00
leds-tlc591xx.c
leds: Explicitly include correct DT includes
2023-07-28 10:02:32 +01:00
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: Fix brightness setting and trigger activating
2023-11-01 11:29:16 +00:00
leds-wm831x-status.c
leds: Convert all platform drivers to return void
2023-11-01 11:28:35 +00:00
leds-wm8350.c
leds: Convert all platform drivers to return void
2023-11-01 11:28:35 +00:00
leds-wrap.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
leds.h
leds: Move led_init_default_state_get() to the global header
2023-01-30 08:03:35 +00:00
Makefile
leds: max5970: Add support for max5970
2023-12-13 11:28:41 +00:00
TODO
leds: TODO: Add documentation about possible subsystem improvements
2020-09-30 19:15:33 +02:00
uleds.c
leds: uleds: Use module_misc_device macro to simplify the code
2023-08-18 11:42:54 +01:00