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a5a2b13074fd8d290bad32a5b0a0c5be9f3a84fa
linux/drivers/tty/serial
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Andy Shevchenko a5a2b13074 serial: core: fix potential NULL pointer dereference 
The commit 761ed4a945 ("tty: serial_core: convert uart_close to use
tty_port_close") refactored uart_close() to use tty_port_close().  At the same
time it introduced a potential NULL pointer dereference. Rearrange the code to
avoid kernel crash.

Fixes: 761ed4a945 ("tty: serial_core: convert uart_close to use tty_port_close")
Cc: Rob Herring <robh@kernel.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-15 12:35:49 +02:00
..
8250
Merge 4.8-rc5 into tty-next
2016-09-05 08:11:21 +02:00
cpm_uart
tty: serial: cpm_uart: Fix module autoload for OF platform driver
2015-10-04 19:09:21 +01:00
jsm
tty: serial: jsm_tty: constify uart_ops structures
2016-09-02 15:01:16 +02:00
21285.c
…
altera_jtaguart.c
serial: altera: constify uart_ops structures
2016-09-02 15:01:16 +02:00
altera_uart.c
serial: altera: constify uart_ops structures
2016-09-02 15:01:16 +02:00
amba-pl010.c
…
amba-pl011.c
tty: amba-pl011: probe ZTE device from AMBA bus with a pseudo-ID
2016-08-31 15:24:23 +02:00
amba-pl011.h
tty: amba-pl011: clean up LCR register offsets
2015-12-13 19:59:48 -08:00
apbuart.c
tty: serial: apbuart: Fix module autoload for OF platform driver
2015-10-04 19:09:21 +01:00
apbuart.h
…
ar933x_uart.c
tree-wide: replace config_enabled() with IS_ENABLED()
2016-08-04 08:50:07 -04:00
arc_uart.c
serial/arc: constify uart_ops structures
2016-09-01 21:05:41 +02:00
atmel_serial.c
BUG: atmel_serial: Interrupts not disabled on close
2016-09-15 12:35:49 +02:00
bcm63xx_uart.c
serial/bcm63xx_uart: constify uart_ops structures
2016-09-02 15:01:16 +02:00
bfin_sport_uart.c
…
bfin_sport_uart.h
…
bfin_uart.c
serial:bfin-uart:Remove 'struct timeval'
2015-12-13 19:59:48 -08:00
clps711x.c
serial: clps711x: Changing the compatibility string to match with the smallest supported chip
2016-07-06 17:38:16 +02:00
crisv10.c
tty: Replace ASYNC_INITIALIZED bit and update atomically
2016-04-30 09:26:55 -07:00
crisv10.h
…
digicolor-usart.c
tty/serial: digicolor: Fix bad usage of IS_ERR_VALUE
2016-02-14 17:39:36 -08:00
dz.c
…
dz.h
…
earlycon-arm-semihost.c
tty/serial: mark __init early_smh_setup() static
2016-09-02 15:03:35 +02:00
earlycon.c
serial: earlycon: Extend earlycon command line option to support 64-bit addresses
2016-09-02 15:03:35 +02:00
efm32-uart.c
…
etraxfs-uart.c
serial: etraxfs-uart: Fix crash
2015-11-20 16:19:54 -08:00
fsl_lpuart.c
tty: serial: fsl_lpuart: use GFP_ATOMIC under spin lock
2016-09-15 12:35:49 +02:00
icom.c
tty: Remove unused SERIAL_DO_RESTART define
2015-12-13 19:59:48 -08:00
icom.h
…
ifx6x60.c
TTY: serial/ifx6x60, initialize more
2016-04-30 09:26:55 -07:00
ifx6x60.h
…
imx.c
serial: imx: add error messages when .probe fails
2016-09-13 18:54:34 +02:00
ioc3_serial.c
…
ioc4_serial.c
…
ip22zilog.c
…
ip22zilog.h
…
Kconfig
serial: Make SERIAL_MPS2_UART depend on ARCH_MPS2
2016-06-25 10:40:33 -07:00
kgdb_nmi.c
…
kgdboc.c
…
lantiq.c
…
lpc32xx_hs.c
tty: serial: lpc32xx_hs: fix handling platform_get_irq result
2015-10-04 19:09:21 +01:00
m32r_sio_reg.h
…
m32r_sio.c
serial: m32r_sio: make it explicitly non-modular
2016-06-25 14:00:06 -07:00
Makefile
Merge tag 'tty-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
2016-05-20 20:57:27 -07:00
max310x.c
serial: max310x: Set IRQF_TRIGGER_FALLING flag when dev.of_node is not NULL
2016-09-15 12:35:49 +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
tty: serial: meson: Implement earlycon support
2016-04-30 09:26:55 -07:00
mpc52xx_uart.c
tty: serial: constify psc_ops structs
2016-02-06 22:31:47 -08:00
mps2-uart.c
serial: mps2-uart: make driver explicitly non-modular
2016-06-25 14:01:57 -07:00
mpsc.c
TTY: serial/mpsc, remove unused fields
2016-02-06 22:16:21 -08:00
msm_serial.c
tty: serial: msm: fix definition of msm_stop_dma
2016-06-25 10:23:54 -07:00
mux.c
parisc: serial/mux: Convert to uart_console_device instead of open-coded
2015-10-22 15:44:28 +02:00
mvebu-uart.c
serial: mvebu-uart: free the IRQ in ->shutdown()
2016-06-25 14:00:06 -07:00
mxs-auart.c
serial: mxs-auart: Use PTR_ERR_OR_ZERO() to simplify the code
2016-09-13 18:54:34 +02:00
netx-serial.c
…
omap-serial.c
Merge 4.5-rc4 into tty-next
2016-02-14 14:36:04 -08:00
pch_uart.c
tty: serial: constify uart_ops structures
2016-09-02 15:01:16 +02:00
pic32_uart.c
serial: pic32_uart: Fix double free of 'sport->irq_fault_name'.
2016-06-25 13:50:53 -07:00
pic32_uart.h
serial: pic32_uart: Add PIC32 UART driver
2016-05-13 14:01:56 +02:00
pmac_zilog.c
TTY: serial, handle platform_get_irq retval properly
2016-06-25 09:01:52 -07:00
pmac_zilog.h
…
pnx8xxx_uart.c
…
pxa.c
serial: pxa: make it explicitly non-modular
2016-06-25 14:00:06 -07:00
rp2.c
…
sa1100.c
…
samsung.c
serial: samsung: Register cpufreq notifier only on S3C24xx
2016-08-31 15:39:58 +02:00
samsung.h
serial: samsung: Register cpufreq notifier only on S3C24xx
2016-08-31 15:39:58 +02:00
sb1250-duart.c
…
sc16is7xx.c
sc16is7xx: make sure device is in suspend once probed
2016-08-31 16:05:26 +02:00
sccnxp.c
…
serial_core.c
serial: core: fix potential NULL pointer dereference
2016-09-15 12:35:49 +02:00
serial_ks8695.c
serial: Fix ASYNC_* => UPF_* flags misuse
2016-01-28 14:17:42 -08:00
serial_mctrl_gpio.c
serial: mctrl_gpio: enable API usage only for initialized mctrl_gpios struct
2016-06-25 14:30:42 -07:00
serial_mctrl_gpio.h
serial: mctrl_gpio: add modem control read routine
2016-06-25 14:30:42 -07:00
serial_txx9.c
…
serial-tegra.c
TTY: serial, handle platform_get_irq retval properly
2016-06-25 09:01:52 -07:00
sh-sci.c
tty: serial: constify uart_ops structures
2016-09-02 15:01:16 +02:00
sh-sci.h
serial: sh-sci: Clear (H)SCIF timeout and overrun during reset
2016-06-25 09:09:53 -07:00
sirfsoc_uart.c
serial: sirf: Use generic uart-has-rtscts DT property
2016-04-30 09:26:55 -07:00
sirfsoc_uart.h
serial: sirf: make fifo functions static
2016-06-25 14:01:57 -07:00
sn_console.c
…
sprd_serial.c
remove lots of IS_ERR_VALUE abuses
2016-05-27 15:26:11 -07:00
st-asc.c
serial: st-asc: constify uart_ops structures
2016-09-02 15:01:16 +02:00
stm32-usart.c
tty/serial: st-asc: drop the use of IRQF_NO_SUSPEND
2015-10-04 19:11:05 +01:00
suncore.c
…
sunhv.c
sparc: serial: sunhv: fix a double lock bug
2016-07-27 22:54:52 -07:00
sunsab.c
…
sunsab.h
…
sunsu.c
serial/sunsu: Deinline wait_for_xmitr, save 165 bytes
2015-12-13 19:59:48 -08:00
sunzilog.c
…
sunzilog.h
…
tilegx.c
…
timbuart.c
tty: serial: constify uart_ops structures
2016-09-02 15:01:16 +02:00
timbuart.h
…
uartlite.c
serial-uartlite: constify uart_ops structures
2016-09-02 15:01:16 +02:00
ucc_uart.c
QE-UART: add "fsl,t1040-ucc-uart" to of_device_id
2016-05-01 13:55:12 -07:00
vr41xx_siu.c
…
vt8500_serial.c
serial: vt8500_serial: Fix a parameter of find_first_zero_bit.
2016-08-31 15:42:28 +02:00
xilinx_uartps.c
tty: xuartps: constify uart_ops structures
2016-09-02 15:01:16 +02:00
zs.c
serial: zs: Fix a transmit lockup in console output
2016-02-06 23:13:30 -08:00
zs.h
…