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02322e7a97f9e5a19400901b9e9c978b728129e6
linux/drivers/tty/serial
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Anton Vasilyev 73e22730e1 serial: mxs-auart: Fix potential infinite loop 
[ Upstream commit 5963e8a312 ]

On the error path of mxs_auart_request_gpio_irq() is performed
backward iterating with index i of enum type. Underline enum type
may be unsigned char. In this case check (--i >= 0) will be always
true and error handling goes into infinite loop.

The patch changes the check so that it is valid for signed and unsigned
types.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Anton Vasilyev <vasilyev@ispras.ru>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-11-20 18:00:07 +01:00
..
8250
serial: 8250: Fix TX interrupt handling condition
2019-07-31 07:28:51 +02:00
cpm_uart
tty: serial: cpm_uart - fix init when SMC is relocated
2019-07-31 07:28:49 +02:00
jsm
tty: serial: jsm: constify pci_device_id.
2017-07-30 07:35:28 -07:00
21285.c
serial: 21285: constify uart_ops structures
2017-08-28 20:51:21 +02:00
altera_jtaguart.c
serial: altera_jtaguart: adding iounmap()
2017-05-18 16:43:55 +02:00
altera_uart.c
serial: altera: ensure port->regshift is honored consistently
2018-05-25 16:18:00 +02:00
amba-pl010.c
serial: pl010: constify amba_id
2017-08-28 20:51:19 +02:00
amba-pl011.c
serial: set suppress_bind_attrs flag only if builtin
2019-01-26 09:37:01 +01:00
amba-pl011.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
apbuart.c
serial: apbuart: constify uart_ops structures
2017-08-28 20:51:21 +02:00
apbuart.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ar933x_uart.c
serial: ar933x_uart: Fix build failure with disabled console
2019-05-04 09:15:19 +02:00
arc_uart.c
serial: arc_uart: Fix out-of-bounds access through DT alias
2018-05-25 16:18:00 +02:00
atmel_serial.c
tty/serial: atmel: reschedule TX after RX was started
2019-09-21 07:15:29 +02:00
atmel_serial.h
tty/serial: atmel: move atmel_serial header into driver directory
2017-03-14 10:59:04 +08:00
bcm63xx_uart.c
serial: bcm63xx: fix timing issue.
2017-09-18 18:19:20 +02:00
bfin_sport_uart.c
tty: serial: constify dev_pm_ops structures
2017-01-19 14:20:23 +01:00
bfin_sport_uart.h
…
bfin_uart.c
…
clps711x.c
…
crisv10.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
crisv10.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
digicolor-usart.c
tty/serial: digicolor: Fix digicolor-usart already registered warning
2019-07-31 07:28:50 +02:00
dz.c
tty: serial: constify uart_ops structures
2017-01-27 09:23:36 +01:00
dz.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
earlycon-arm-semihost.c
tty/serial: mark __init early_smh_setup() static
2016-09-02 15:03:35 +02:00
earlycon.c
earlycon: Remove hardcoded port->uartclk initialization in of_setup_earlycon
2018-09-26 08:38:14 +02:00
efm32-uart.c
serial: efm32: Fix parity management in 'efm32_uart_console_get_options()'
2017-05-18 16:43:55 +02:00
etraxfs-uart.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
fsl_lpuart.c
serial: fsl_lpuart: fix maximum acceptable baud rate with over-sampling
2019-03-05 17:58:00 +01:00
icom.c
tty: serial: constify uart_ops structures
2017-01-27 09:23:36 +01:00
icom.h
…
ifx6x60.c
serial: ifx6x60: fix use-after-free on module unload
2017-05-18 16:43:55 +02:00
ifx6x60.h
…
imx.c
serial: imx: restore handshaking irq for imx1
2018-10-03 17:00:57 -07:00
ioc3_serial.c
drivers: tty: serial: move inline before return type
2017-07-12 16:26:04 -07:00
ioc4_serial.c
drivers: tty: serial: move inline before return type
2017-07-12 16:26:04 -07:00
ip22zilog.c
tty: serial: constify uart_ops structures
2017-01-27 09:23:36 +01:00
ip22zilog.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
Kconfig
tty: serial: owl: Implement console driver
2017-07-18 09:28:29 +02:00
kgdb_nmi.c
…
kgdboc.c
Disable kgdboc failed by echo space to /sys/module/kgdboc/parameters/kgdboc
2019-04-03 06:25:19 +02:00
lantiq.c
tty: serial: constify uart_ops structures
2017-01-27 09:23:36 +01:00
lpc32xx_hs.c
tty: serial: constify uart_ops structures
2017-01-27 09:23:36 +01:00
m32r_sio_reg.h
…
m32r_sio.c
serial: m32r_sio: constify uart_ops structures
2017-08-28 20:51:21 +02:00
Makefile
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
max310x.c
tty: max310x: Fix invalid baudrate divisors calculator
2019-07-31 07:28:49 +02:00
max3100.c
tty: serial: constify uart_ops structures
2016-09-02 15:01:16 +02:00
mcf.c
…
men_z135_uart.c
tty: serial: constify uart_ops structures
2016-09-02 15:01:16 +02:00
meson_uart.c
serial: meson: constify uart_ops structures
2017-08-28 20:51:19 +02:00
mpc52xx_uart.c
serial: mpc52xx: constify uart_ops structures
2017-08-28 20:51:21 +02:00
mps2-uart.c
…
mpsc.c
serial/mpsc: switch to dma_alloc_attrs
2017-06-20 10:24:15 +08:00
msm_serial.c
tty: serial: msm_serial: avoid system lockup condition
2019-07-31 07:28:51 +02:00
mux.c
Merge tag 'tty-4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
2017-09-05 10:30:48 -07:00
mvebu-uart.c
serial: mvebu-uart: Fix reporting of effective CSIZE to userspace
2018-10-10 08:54:18 +02:00
mxs-auart.c
serial: mxs-auart: Fix potential infinite loop
2019-11-20 18:00:07 +01:00
netx-serial.c
…
omap-serial.c
serial: omap: Fix EFR write on RTS deassertion
2017-11-24 08:37:04 +01:00
owl-uart.c
tty: serial: owl: Fix the link time qualifier of 'owl_uart_exit()'
2019-11-06 12:43:08 +01:00
pch_uart.c
dmi: Mark all struct dmi_system_id instances const
2017-09-14 11:59:30 +02:00
pic32_uart.c
serial: set suppress_bind_attrs flag only if builtin
2019-01-26 09:37:01 +01:00
pic32_uart.h
…
pmac_zilog.c
tty: Convert to using %pOF instead of full_name
2017-07-30 07:35:28 -07:00
pmac_zilog.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
pnx8xxx_uart.c
tty: serial: constify uart_ops structures
2017-01-27 09:23:36 +01:00
pxa.c
tty: serial: constify uart_ops structures
2017-01-27 09:23:36 +01:00
rp2.c
…
sa1100.c
…
samsung.c
serial: samsung: Enable baud clock for UART reset procedure in resume
2019-11-20 18:00:06 +01:00
samsung.h
serial: samsung: Simplify DMA engine initialization code
2017-01-12 11:51:24 +01:00
sb1250-duart.c
drivers: convert sbd_duart.map_guard from atomic_t to refcount_t
2017-03-14 11:01:40 +08:00
sc16is7xx.c
sc16is7xx: Fix for "Unexpected interrupt: 8"
2019-11-06 12:42:53 +01:00
sccnxp.c
serial: sccnxp: Fix error handling in sccnxp_probe()
2017-09-18 18:19:21 +02:00
serial_core.c
tty: serial_core: Set port active bit in uart_port_activate
2019-07-31 07:28:52 +02:00
serial_ks8695.c
…
serial_mctrl_gpio.c
serial: mctrl_gpio: Check for NULL pointer
2019-11-06 12:43:11 +01:00
serial_mctrl_gpio.h
…
serial_txx9.c
tty: serial: constify uart_ops structures
2017-01-27 09:23:36 +01:00
serial-tegra.c
serial: tegra: explicitly request exclusive reset control
2017-07-30 07:35:28 -07:00
sh-sci.c
serial: sh-sci: Fix TX DMA buffer flushing and workqueue races
2019-07-31 07:28:54 +02:00
sh-sci.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sirfsoc_uart.c
serial: sirf: make of_device_ids const
2017-06-20 10:24:15 +08:00
sirfsoc_uart.h
…
sn_console.c
tty: serial: constify uart_ops structures
2017-01-27 09:23:36 +01:00
sprd_serial.c
serial: sprd: correct the wrong sequence of arguments
2019-09-21 07:15:29 +02:00
st-asc.c
serial: st-asc: Avoid using irq_wake flag
2017-08-28 20:51:19 +02:00
stm32-usart.c
serial: stm32-usart: Avoid using irq_wake flag
2017-08-28 20:51:19 +02:00
stm32-usart.h
serial: stm32: add fifo support
2017-07-30 07:32:32 -07:00
suncore.c
drivers/tty: add missing of_node_put()
2018-12-21 14:13:13 +01:00
sunhv.c
sunhv: Fix device naming inconsistency between sunhv_console and sunhv_reg
2019-06-22 08:16:15 +02:00
sunsab.c
serial: sunsab: constify uart_ops structures
2017-08-28 20:51:21 +02:00
sunsab.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sunsu.c
serial/sunsu: fix refcount leak
2019-01-13 10:01:01 +01:00
sunzilog.c
tty: serial: constify uart_ops structures
2017-01-27 09:23:36 +01:00
sunzilog.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
tilegx.c
…
timbuart.c
tty: serial: constify uart_ops structures
2016-09-02 15:01:16 +02:00
timbuart.h
…
uartlite.c
serial: uartlite: fix exit path null pointer
2019-10-17 13:43:29 -07:00
ucc_uart.c
serial: uuc_uart: constify uart_ops structures
2017-08-28 20:51:21 +02:00
vr41xx_siu.c
tty: serial: constify uart_ops structures
2017-01-27 09:23:36 +01:00
vt8500_serial.c
tty: serial: constify uart_ops structures
2017-01-27 09:23:36 +01:00
xilinx_uartps.c
serial: uartps: Fix suspend functionality
2019-11-20 18:00:06 +01:00
zs.c
tty: serial: constify uart_ops structures
2017-01-27 09:23:36 +01:00
zs.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00