xqemu/hw/char
Jean-Christophe Dubois f7a6785e12 i.MX: Fix UART driver to work with unitialized "chardev" device
The "chardev" property initialization might have failed (for example because
there are not enough chardevs provided by QEMU).

The serial device emulator needs to be able to work with an uninitialized
(NULL) chardev device pointer.

This patch adds some missing tests on the chr pointer value before
using it.

Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: 1438342461-18967-1-git-send-email-jcd@tribudubois.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-08-13 11:26:22 +01:00
..
Makefile.objs stm32f2xx_USART: Add the stm32f2xx USART Controller 2015-03-11 13:21:05 +00:00
cadence_uart.c char: cadence_uart: Split state struct and type into header 2015-05-18 16:41:12 +01:00
debugcon.c qdev: Remove hex8/32/64 property types 2014-02-14 21:12:04 +01:00
digic-uart.c sysbus: Make devices picking up backends unavailable with -device 2015-04-02 15:30:44 +02:00
escc.c savevm: Remove all the unneeded version_minimum_id_old (ppc) 2014-06-16 04:55:26 +02:00
etraxfs_ser.c sysbus: Make devices picking up backends unavailable with -device 2015-04-02 15:30:44 +02:00
exynos4210_uart.c savevm: Remove all the unneeded version_minimum_id_old (arm) 2014-05-13 16:09:35 +01:00
grlib_apbuart.c grlib_apbuart: QOM cast cleanup 2013-07-29 21:06:27 +02:00
imx_serial.c i.MX: Fix UART driver to work with unitialized "chardev" device 2015-08-13 11:26:22 +01:00
ipoctal232.c savevm: Remove all the unneeded version_minimum_id_old (rest) 2014-05-14 15:24:51 +02:00
lm32_juart.c sysbus: Make devices picking up backends unavailable with -device 2015-04-02 15:30:44 +02:00
lm32_uart.c sysbus: Make devices picking up backends unavailable with -device 2015-04-02 15:30:44 +02:00
mcf_uart.c memory: add owner argument to initialization functions 2013-07-04 17:42:44 +02:00
milkymist-uart.c sysbus: Make devices picking up backends unavailable with -device 2015-04-02 15:30:44 +02:00
omap_uart.c omap: Fix warnings from Sparse 2015-03-19 11:11:55 +03:00
parallel.c Move parallel_hds_isa_init to hw/isa/isa-bus.c 2015-06-05 17:09:58 +02:00
pl011.c sysbus: Make devices picking up backends unavailable with -device 2015-04-02 15:30:44 +02:00
sclpconsole-lm.c sclp: sort into categories 2015-04-30 13:21:41 +02:00
sclpconsole.c sclp: sort into categories 2015-04-30 13:21:41 +02:00
serial-isa.c serial: serial_hds_isa_init() shouldn't fail 2015-02-24 00:19:06 +01:00
serial-pci.c Include qapi/qmp/qerror.h exactly where needed 2015-06-22 18:20:41 +02:00
serial.c migration: Use normal VMStateDescriptions for Subsections 2015-06-12 06:53:57 +02:00
sh_serial.c sh4: Fix serial line access for Linux kernels later than 3.2 2013-10-02 22:55:28 +04:00
spapr_vty.c spapr-vty: Use TYPE_ definition instead of hardcoding 2015-07-07 17:44:53 +02:00
stm32f2xx_usart.c sysbus: Make devices picking up backends unavailable with -device 2015-04-02 15:30:44 +02:00
virtio-console.c virtio-console: notify chardev when writable 2015-05-29 09:56:01 +02:00
virtio-serial-bus.c virtio: get_features() can fail 2015-07-27 18:11:53 +03:00
xen_console.c sysemu: avoid proliferation of include/ subdirectories 2013-04-15 18:19:25 +02:00
xilinx_uartlite.c sysbus: Make devices picking up backends unavailable with -device 2015-04-02 15:30:44 +02:00