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qemu-patch-raspberry4/hw
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Markus Armbruster 0175ba109e arm: Clean up fragile use of error_is_set() in realize() methods 
Using error_is_set(ERRP) to find out whether a function failed is
either wrong, fragile, or unnecessarily opaque.  It's wrong when ERRP
may be null, because errors go undetected when it is.  It's fragile
when proving ERRP non-null involves a non-local argument.  Else, it's
unnecessarily opaque (see commit 84d18f0).

I guess the error_is_set(errp) in the DeviceClass realize() methods
are merely fragile right now, because I can't find a call chain that
passes a null errp argument.

Make the code more robust and more obviously correct: receive the
error in a local variable, then propagate it through the parameter.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-05-05 19:08:49 +02:00
..
9pfs qerror.h: Remove QERR defines that are only used once 2014-04-25 09:19:59 -04:00
acpi acpi: Assert sts array limit on AcpiCpuHotplug_add() 2014-03-18 16:08:43 +02:00
alpha exec: Make stq_*_phys input an AddressSpace 2014-02-11 22:57:12 +10:00
arm hw/arm/virt: Add support for Cortex-A57 2014-05-01 15:25:52 +01:00
audio hda-audio: fix non-mixer codecs 2014-04-29 10:46:29 +02:00
block block: Add errp to bdrv_new() 2014-04-22 12:00:20 +02:00
bt Preparation for usb-bt-dongle conditional build 2013-09-10 11:14:41 +02:00
char char/serial: Fix emptyness handling 2014-04-07 14:51:32 +01:00
core qom: Clean up fragile use of error_is_set() in set() methods 2014-05-05 19:08:49 +02:00
cpu icc_bus: QOM'ify ICC 2013-12-24 18:02:18 +01:00
cris cris: Remove the CRIS PIC glue 2014-02-03 14:04:00 +00:00
display vga: add secondary stdvga variant 2014-04-28 11:03:32 +02:00
dma hw: Consistently name Error * objects err, and not errp 2014-05-05 19:08:49 +02:00
gpio max7310: QOM'ify 2014-02-14 16:22:32 +01:00
i2c Fix grammar in comment 2014-04-18 10:33:36 +04:00
i386 misc: Use cpu_physical_memory_read and cpu_physical_memory_write 2014-04-27 13:04:18 +04:00
ide hw/ide/ahci.c: Avoid shift left into sign bit 2014-04-18 10:33:36 +04:00
input pckbd: return 'keyboard enabled' on read input port command 2014-03-09 21:09:38 +02:00
intc arm: Clean up fragile use of error_is_set() in realize() methods 2014-05-05 19:08:49 +02:00
ipack ipack: Move IndustryPack out of hw/char/ 2014-02-14 21:11:53 +01:00
isa QOM infrastructure fixes and device conversions 2014-02-20 13:05:48 +00:00
lm32 hw/lm32: print error if cpu model is not found 2014-02-04 19:47:39 +01:00
m68k an5206: Don't enforce use of kernel for qtest 2013-11-05 17:47:29 +01:00
microblaze xilinx: Delete hw/include/xilinx.h 2014-02-26 14:54:45 +10:00
mips i2c: Rename i2c_bus to I2CBus 2014-02-14 16:22:31 +01:00
misc qom: Clean up fragile use of error_is_set() in set() methods 2014-05-05 19:08:49 +02:00
moxie moxie: fix load_elf() usage 2014-03-05 03:06:46 +01:00
net hw: Consistently name Error * objects err, and not errp 2014-05-05 19:08:49 +02:00
nvram vl.c: Extend get_boot_devices_list() to ignore suffixes 2014-03-20 02:40:07 +01:00
openrisc openrisc-timer: Reduce overhead, Separate clock update functions 2013-11-20 21:46:45 +08:00
pci pci: Fix clearing IRQs on reset 2014-03-31 19:53:34 +01:00
pci-bridge pci/shpc: convert SHPC hotplug to use hotplug-handler API 2014-02-10 10:27:00 +02:00
pci-host hw/pci-host/prep: Don't reverse IO accesses on bigendian hosts 2014-04-08 18:37:45 +01:00
pcmcia qom: Add check() argument to object_property_add_link() 2014-03-19 22:23:13 +01:00
ppc machine: Remove QEMUMachine indirection from MachineClass 2014-05-05 19:08:49 +02:00
s390x qom: Add check() argument to object_property_add_link() 2014-03-19 22:23:13 +01:00
scsi scsi-bus: remove bogus assertion 2014-04-02 13:24:23 +02:00
sd ssi: Convert legacy SSI_SLAVE -> DEVICE casts 2014-03-12 20:13:02 +01:00
sh4 cputlb: Change tlb_flush() argument to CPUState 2014-03-13 19:52:47 +01:00
sparc sun4m: Add Sun CG3 framebuffer initialisation function 2014-02-27 10:01:41 +00:00
sparc64 pc,pci,virtio fixes and cleanups 2013-09-03 12:31:07 -05:00
ssi ssi: Convert legacy SSI_BUS -> BUS casts 2014-03-12 20:13:02 +01:00
timer hw: Consistently name Error ** objects errp, and not err 2014-05-05 19:08:49 +02:00
tpm aio / timers: Untangle include files 2013-08-22 19:10:27 +02:00
unicore32 console: add head to index to qemu consoles. 2014-03-05 09:52:04 +01:00
usb usb: mtp filesharing 2014-04-23 10:28:14 +02:00
virtio qom: Clean up fragile use of error_is_set() in set() methods 2014-05-05 19:08:49 +02:00
watchdog qemu-option: Remove qemu_opts_create_nofail 2014-01-06 15:02:30 -05:00
xen Call pci_piix3_xen_ide_unplug from unplug_disks 2014-02-20 17:28:08 +00:00
xtensa hw/xtensa: add support for ML605 and KC705 FPGA board 2014-02-24 04:47:01 +04:00
Makefile.objs hw/9pfs: Include virtio-9p-device.o in build 2014-03-04 09:20:49 +05:30