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Prasad J Pandit 6e29651c5e char: cadence: check baud rate generator and divider values 
The Cadence UART device emulator calculates speed by dividing the
baud rate by a 'baud rate generator' & 'baud rate divider' value.
The device specification defines these register values to be
non-zero and within certain limits. Add checks for these limits
to avoid errors like divide by zero.

Reported-by: Huawei PSIRT <psirt@huawei.com>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 1477596278-1470-1-git-send-email-ppandit@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-11-07 10:00:24 +00:00
..
bcm2835_aux.c char: remove explicit_fe_open, use a set_handlers argument 2016-10-24 15:46:10 +02:00
cadence_uart.c char: cadence: check baud rate generator and divider values 2016-11-07 10:00:24 +00:00
debugcon.c char: remove explicit_fe_open, use a set_handlers argument 2016-10-24 15:46:10 +02:00
digic-uart.c char: remove explicit_fe_open, use a set_handlers argument 2016-10-24 15:46:10 +02:00
escc.c char: remove explicit_fe_open, use a set_handlers argument 2016-10-24 15:46:10 +02:00
etraxfs_ser.c char: remove explicit_fe_open, use a set_handlers argument 2016-10-24 15:46:10 +02:00
exynos4210_uart.c char: remove explicit_fe_open, use a set_handlers argument 2016-10-24 15:46:10 +02:00
grlib_apbuart.c char: remove explicit_fe_open, use a set_handlers argument 2016-10-24 15:46:10 +02:00
imx_serial.c char: remove explicit_fe_open, use a set_handlers argument 2016-10-24 15:46:10 +02:00
ipoctal232.c char: remove explicit_fe_open, use a set_handlers argument 2016-10-24 15:46:10 +02:00
lm32_juart.c char: remove explicit_fe_open, use a set_handlers argument 2016-10-24 15:46:10 +02:00
lm32_uart.c char: remove explicit_fe_open, use a set_handlers argument 2016-10-24 15:46:10 +02:00
Makefile.objs bcm2835_aux: add emulation of BCM2835 AUX (aka UART1) block 2016-03-16 17:42:18 +00:00
mcf_uart.c char: remove explicit_fe_open, use a set_handlers argument 2016-10-24 15:46:10 +02:00
milkymist-uart.c char: remove explicit_fe_open, use a set_handlers argument 2016-10-24 15:46:10 +02:00
omap_uart.c char: remove init callback 2016-10-24 15:27:20 +02:00
parallel.c char: use qemu_chr_fe* functions with CharBackend argument 2016-10-24 15:27:21 +02:00
pl011.c char: remove explicit_fe_open, use a set_handlers argument 2016-10-24 15:46:10 +02:00
sclpconsole-lm.c char: remove explicit_fe_open, use a set_handlers argument 2016-10-24 15:46:10 +02:00
sclpconsole.c char: remove explicit_fe_open, use a set_handlers argument 2016-10-24 15:46:10 +02:00
serial-isa.c sun4uv: fix serial initialization regression 2016-10-24 15:27:20 +02:00
serial-pci.c include/qemu/osdep.h: Don't include qapi/error.h 2016-03-22 22:20:15 +01:00
serial.c char: remove explicit_fe_open, use a set_handlers argument 2016-10-24 15:46:10 +02:00
sh_serial.c char: remove explicit_fe_open, use a set_handlers argument 2016-10-24 15:46:10 +02:00
spapr_vty.c char: remove explicit_fe_open, use a set_handlers argument 2016-10-24 15:46:10 +02:00
stm32f2xx_usart.c char: remove explicit_fe_open, use a set_handlers argument 2016-10-24 15:46:10 +02:00
trace-events hw/char/pl011: Add trace events 2016-10-17 19:32:44 +01:00
virtio-console.c char: remove explicit_fe_open, use a set_handlers argument 2016-10-24 15:46:10 +02:00
virtio-serial-bus.c virtio: cleanup VMSTATE_VIRTIO_DEVICE 2016-10-10 02:21:43 +03:00
xen_console.c xen: Rename xen_be_send_notify 2016-10-28 17:54:21 -07:00
xilinx_uartlite.c char: remove explicit_fe_open, use a set_handlers argument 2016-10-24 15:46:10 +02:00