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5e8021ae0865f8a4e2f3d8259fc8d6014ef0b577
linux/drivers/input/touchscreen
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Zhang Xiaoxu 53b9b1201e Input: raydium_ts_i2c - fix memory leak in raydium_i2c_send() 
commit 8c9a59939d upstream.

There is a kmemleak when test the raydium_i2c_ts with bpf mock device:

  unreferenced object 0xffff88812d3675a0 (size 8):
    comm "python3", pid 349, jiffies 4294741067 (age 95.695s)
    hex dump (first 8 bytes):
      11 0e 10 c0 01 00 04 00                          ........
    backtrace:
      [<0000000068427125>] __kmalloc+0x46/0x1b0
      [<0000000090180f91>] raydium_i2c_send+0xd4/0x2bf [raydium_i2c_ts]
      [<000000006e631aee>] raydium_i2c_initialize.cold+0xbc/0x3e4 [raydium_i2c_ts]
      [<00000000dc6fcf38>] raydium_i2c_probe+0x3cd/0x6bc [raydium_i2c_ts]
      [<00000000a310de16>] i2c_device_probe+0x651/0x680
      [<00000000f5a96bf3>] really_probe+0x17c/0x3f0
      [<00000000096ba499>] __driver_probe_device+0xe3/0x170
      [<00000000c5acb4d9>] driver_probe_device+0x49/0x120
      [<00000000264fe082>] __device_attach_driver+0xf7/0x150
      [<00000000f919423c>] bus_for_each_drv+0x114/0x180
      [<00000000e067feca>] __device_attach+0x1e5/0x2d0
      [<0000000054301fc2>] bus_probe_device+0x126/0x140
      [<00000000aad93b22>] device_add+0x810/0x1130
      [<00000000c086a53f>] i2c_new_client_device+0x352/0x4e0
      [<000000003c2c248c>] of_i2c_register_device+0xf1/0x110
      [<00000000ffec4177>] of_i2c_notify+0x100/0x160
  unreferenced object 0xffff88812d3675c8 (size 8):
    comm "python3", pid 349, jiffies 4294741070 (age 95.692s)
    hex dump (first 8 bytes):
      22 00 36 2d 81 88 ff ff                          ".6-....
    backtrace:
      [<0000000068427125>] __kmalloc+0x46/0x1b0
      [<0000000090180f91>] raydium_i2c_send+0xd4/0x2bf [raydium_i2c_ts]
      [<000000001d5c9620>] raydium_i2c_initialize.cold+0x223/0x3e4 [raydium_i2c_ts]
      [<00000000dc6fcf38>] raydium_i2c_probe+0x3cd/0x6bc [raydium_i2c_ts]
      [<00000000a310de16>] i2c_device_probe+0x651/0x680
      [<00000000f5a96bf3>] really_probe+0x17c/0x3f0
      [<00000000096ba499>] __driver_probe_device+0xe3/0x170
      [<00000000c5acb4d9>] driver_probe_device+0x49/0x120
      [<00000000264fe082>] __device_attach_driver+0xf7/0x150
      [<00000000f919423c>] bus_for_each_drv+0x114/0x180
      [<00000000e067feca>] __device_attach+0x1e5/0x2d0
      [<0000000054301fc2>] bus_probe_device+0x126/0x140
      [<00000000aad93b22>] device_add+0x810/0x1130
      [<00000000c086a53f>] i2c_new_client_device+0x352/0x4e0
      [<000000003c2c248c>] of_i2c_register_device+0xf1/0x110
      [<00000000ffec4177>] of_i2c_notify+0x100/0x160

After BANK_SWITCH command from i2c BUS, no matter success or error
happened, the tx_buf should be freed.

Fixes: 3b384bd6c3 ("Input: raydium_ts_i2c - do not split tx transactions")
Signed-off-by: Zhang Xiaoxu <zhangxiaoxu5@huawei.com>
Link: https://lore.kernel.org/r/20221202103412.2120169-1-zhangxiaoxu5@huawei.com
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-12-08 11:28:45 +01:00
..
88pm860x-ts.c
Input: remove dev_err() usage after platform_get_irq()
2019-08-14 10:49:01 -07:00
ad7877.c
Input: ad7877 - use new structure for SPI transfer delays
2020-12-10 23:39:15 -08:00
ad7879-i2c.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 149
2019-05-30 11:25:18 -07:00
ad7879-spi.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 149
2019-05-30 11:25:18 -07:00
ad7879.c
Input: use input_device_enabled()
2020-12-02 22:10:33 -08:00
ad7879.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 149
2019-05-30 11:25:18 -07:00
ads7846.c
Merge tag 'v5.11' into next
2021-02-22 21:21:03 -08:00
ar1021_i2c.c
Input: move to use request_irq by IRQF_NO_AUTOEN flag
2021-03-25 15:27:56 -07:00
atmel_mxt_ts.c
Input: atmel_mxt_ts - fix double free in mxt_read_info_block
2021-12-29 12:28:52 +01:00
auo-pixcir-ts.c
Input: use input_device_enabled()
2020-12-02 22:10:33 -08:00
bcm_iproc_tsc.c
Input: remove dev_err() usage after platform_get_irq()
2019-08-14 10:49:01 -07:00
bu21013_ts.c
Input: bu21013_ts - switch to using standard touchscreen properties
2019-09-02 09:07:38 -07:00
bu21029_ts.c
Input: move to use request_irq by IRQF_NO_AUTOEN flag
2021-03-25 15:27:56 -07:00
chipone_icn8318.c
Input: use input_device_enabled()
2020-12-02 22:10:33 -08:00
chipone_icn8505.c
Input: icn8505 - Switch to firmware_request_platform for retreiving the fw
2020-03-20 14:57:54 +01:00
colibri-vf50-ts.c
Input: colibri-vf50-ts - remove unneeded gpio.h header file
2019-10-27 11:14:22 -07:00
cy8ctma140.c
Input: add driver for the Cypress CY8CTMA140 touchscreen
2020-05-09 22:26:48 -07:00
cy8ctmg110_ts.c
Input: cy8ctmg110_ts - switch to using gpiod API
2021-06-05 20:34:16 -07:00
cyttsp4_core.c
Input: cyttsp4 - move 'cyttsp4_tch_abs_string' to the only file that references it
2020-11-08 22:35:48 -08:00
cyttsp4_core.h
Input: cyttsp4 - move 'cyttsp4_tch_abs_string' to the only file that references it
2020-11-08 22:35:48 -08:00
cyttsp4_i2c.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284
2019-06-05 17:36:37 +02:00
cyttsp4_spi.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284
2019-06-05 17:36:37 +02:00
cyttsp_core.c
Input: cyttsp - remove public header
2021-06-01 21:13:11 -07:00
cyttsp_core.h
Input: cyttsp - remove public header
2021-06-01 21:13:11 -07:00
cyttsp_i2c_common.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284
2019-06-05 17:36:37 +02:00
cyttsp_i2c.c
Input: cyttsp - remove public header
2021-06-01 21:13:11 -07:00
cyttsp_spi.c
Input: cyttsp - remove public header
2021-06-01 21:13:11 -07:00
da9034-ts.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
da9052_tsi.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
dynapro.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
edt-ft5x06.c
Input: edt-ft5x06 - added case for EDT EP0110M09
2021-09-05 19:10:11 -07:00
eeti_ts.c
Input: use input_device_enabled()
2020-12-02 22:10:33 -08:00
egalax_ts_serial.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
egalax_ts.c
Input: egalax_ts - add system wakeup support
2018-09-18 15:28:07 -07:00
ektf2127.c
Input: use input_device_enabled()
2020-12-02 22:10:33 -08:00
elants_i2c.c
Input: elants_i2c - do not check Remark ID on eKTH3900/eKTH5312
2021-12-29 12:29:00 +01:00
elo.c
Input: elo - fix an error code in elo_connect()
2021-02-18 14:39:42 -08:00
exc3000.c
Input: exc3000 - fix return value check of wait_for_completion_timeout
2022-08-25 11:40:08 +02:00
fsl-imx25-tcq.c
Input: remove dev_err() usage after platform_get_irq()
2019-08-14 10:49:01 -07:00
fujitsu_ts.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
goodix.c
Input: goodix - try resetting the controller when no config is set
2022-12-02 17:41:10 +01:00
goodix.h
Input: goodix - try not to touch the reset-pin on x86/ACPI devices
2022-07-12 16:34:51 +02:00
gunze.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
hampshire.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
hideep.c
Input: hideep - fix the uninitialized use in hideep_nvm_unlock()
2021-06-19 22:36:28 -07:00
hp680_ts_input.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
htcpen.c
isa: Make the remove callback for isa drivers return void
2021-01-26 07:42:27 +01:00
hycon-hy46xx.c
Input: add driver for the Hycon HY46XX touchpanel series
2021-04-13 19:08:30 -07:00
ili210x.c
Input: ili210x - fix reset timing
2022-05-25 09:57:36 +02:00
ilitek_ts_i2c.c
Input: Add support for ILITEK Lego Series
2021-04-09 23:23:01 -07:00
imx6ul_tsc.c
Input: use input_device_enabled()
2020-12-02 22:10:33 -08:00
inexio.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
ipaq-micro-ts.c
Input: use input_device_enabled()
2020-12-02 22:10:33 -08:00
iqs5xx.c
Input: iqs5xx - make reset GPIO optional
2021-03-25 11:14:10 -07:00
jornada720_ts.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
Kconfig
Input: Fix spelling mistake in Kconfig "Modul" -> "Module"
2021-09-03 23:49:55 -07:00
lpc32xx_ts.c
Input: lpc32xx_ts - convert to use BIT()
2021-03-20 19:48:37 -07:00
mainstone-wm97xx.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
Makefile
Input: add driver for the Hycon HY46XX touchpanel series
2021-04-13 19:08:30 -07:00
max11801_ts.c
Input: Use fallthrough pseudo-keyword
2020-07-07 11:25:54 -07:00
mc13783_ts.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
mcs5000_ts.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
melfas_mip4.c
Input: melfas_mip4 - fix return value check in mip4_probe()
2022-10-05 10:39:42 +02:00
migor_ts.c
Input: migor_ts - convert to SPDX identifiers
2018-11-12 11:52:05 -08:00
mk712.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
mms114.c
Input: mms114 - support MMS134S
2021-09-06 23:33:26 -07:00
msg2638.c
Input: add MStar MSG2638 touchscreen driver
2021-04-09 23:22:38 -07:00
mtouch.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
mxs-lradc-ts.c
Input: mxs-lradc-ts - use devm_platform_ioremap_resource()
2019-07-24 12:48:47 +03:00
pcap_ts.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
penmount.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
pixcir_i2c_ts.c
Input: use input_device_enabled()
2020-12-02 22:10:33 -08:00
raspberrypi-ts.c
input: raspberrypi-ts: Release firmware handle when not needed
2021-03-22 17:59:51 +01:00
raydium_i2c_ts.c
Input: raydium_ts_i2c - fix memory leak in raydium_i2c_send()
2022-12-08 11:28:45 +01:00
resistive-adc-touch.c
Input: resistive-adc-touch - fix division by zero error on z1 == 0
2021-10-15 22:11:03 -07:00
rohm_bu21023.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282
2019-06-05 17:36:37 +02:00
s3c2410_ts.c
ARM: s3c: adc: move header to linux/soc/samsung
2020-08-19 21:44:11 +02:00
s6sy761.c
Input: s6sy761 - fix coordinate read bit shift
2021-03-07 15:14:25 -08:00
silead.c
Input: silead - add workaround for x86 BIOS-es which bring the chip up in a stuck state
2021-04-09 22:42:20 -07:00
sis_i2c.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282
2019-06-05 17:36:37 +02:00
st1232.c
Input: st1232 - increase "wait ready" timeout
2021-11-18 19:17:01 +01:00
stmfts.c
Input: stmfts - do not leave device disabled in stmfts_input_open
2022-06-09 10:23:13 +02:00
stmpe-ts.c
Input: stmpe-ts - add description for 'prop' struct member
2021-01-19 19:03:18 -08:00
sun4i-ts.c
Input: sun4i-ts - add a check for devm_thermal_zone_of_sensor_register
2020-01-10 14:42:52 -08:00
sur40.c
Input: sur40 - fix an error code in sur40_probe()
2021-02-16 20:39:53 -08:00
surface3_spi.c
Input: surface3_spi - remove set but unused variable 'timestamp'
2021-01-19 19:03:16 -08:00
sx8654.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
ti_am335x_tsc.c
Input: ti_am335x_tsc - fix STEPCONFIG setup for Z2
2022-03-08 19:12:35 +01:00
touchit213.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
touchright.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
touchwin.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
tps6507x-ts.c
Input: tsc6507x-ts - switch to using polled mode of input devices
2019-10-29 17:13:41 -07:00
ts4800-ts.c
Input: ts4800-ts - switch to using polled mode of input devices
2019-10-29 17:13:40 -07:00
tsc40.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 315
2019-06-05 17:37:05 +02:00
tsc200x-core.c
Input: tsc200x-core - use kobj_to_dev()
2021-06-19 22:36:23 -07:00
tsc200x-core.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
tsc2004.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
tsc2005.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
tsc2007_core.c
Input: tsc2007 - make use of device properties
2021-03-15 17:12:04 -07:00
tsc2007_iio.c
iio: remove explicit IIO device parent assignment
2020-06-14 11:49:59 +01:00
tsc2007.h
Input: tsc2007 - convert to GPIO descriptors
2021-03-15 17:12:02 -07:00
ucb1400_ts.c
Input: use input_device_enabled()
2020-12-02 22:10:33 -08:00
usbtouchscreen.c
Input: usbtouchscreen - fix control-request directions
2021-05-24 20:56:11 -07:00
wacom_i2c.c
Input: wacom_i2c - switch to using managed resources
2021-03-25 11:14:09 -07:00
wacom_w8001.c
Input: wacom_w8001 - allocate additional space for 'phys'
2019-08-20 12:03:46 -07:00
wdt87xx_i2c.c
Input: wdt87xx_i2c - replace mdelay() with msleep() in wdt87xx_resume()
2018-07-27 11:59:05 -07:00
wm97xx-core.c
Input: use input_device_enabled()
2020-12-02 22:10:33 -08:00
wm831x-ts.c
Input: move to use request_irq by IRQF_NO_AUTOEN flag
2021-03-25 15:27:56 -07:00
wm9705.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
wm9712.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
wm9713.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
zet6223.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
zforce_ts.c
Input: use input_device_enabled()
2020-12-02 22:10:33 -08:00
zinitix.c
Input: zinitix - do not report shadow fingers
2022-04-08 14:22:47 +02:00
zylonite-wm97xx.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00