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84d18f065f
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Markus Armbruster 84d18f065f Use error_is_set() only when necessary 
error_is_set(&var) is the same as var != NULL, but it takes
whole-program analysis to figure that out.  Unnecessarily hard for
optimizers, static checkers, and human readers.  Dumb it down to
obvious.

Gets rid of several dozen Coverity false positives.

Note that the obvious form is already used in many places.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-02-17 11:57:23 -05:00
audio Add the ability to vary Spice playback and record rates, to facilitate Opus support. 2014-02-03 11:05:15 +01:00
backends virtio_rng: replace custom backend API with UserCreatable.complete() callback 2014-01-28 12:47:11 -05:00
block Use error_is_set() only when necessary 2014-02-17 11:57:23 -05:00
bsd-user *-user: Improve documentation for lock_user function 2013-09-20 20:09:24 +04:00
default-configs PReP machine and devices 2014-02-13 14:52:06 +00:00
disas disas: Implement disassembly output for A64 2014-02-08 14:50:48 +00:00
docs acpi,pci,pc,virtio fixes and enhancements 2014-01-31 00:23:27 +00:00
dtc@bc895d6d09
fpu softfloat: Add support for ties-away rounding 2014-01-08 19:07:22 +00:00
fsdev
gdb-xml target-arm: Support fp registers in gdb stub 2013-12-17 19:42:32 +00:00
hw Use error_is_set() only when necessary 2014-02-17 11:57:23 -05:00
include acpi,pc,pci fixes and enhancements 2014-02-13 15:02:04 +00:00
libcacard libcacard: Don't link with all libraries QEMU links to 2014-02-09 13:06:02 +02:00
linux-headers kvm: add support for hyper-v timers 2014-02-03 17:33:55 +01:00
linux-user linux-user: Fix trampoline code for CRIS 2014-02-03 14:04:00 +00:00
net Use error_is_set() only when necessary 2014-02-17 11:57:23 -05:00
pc-bios Update seabios to 1.7.4 2014-02-07 16:42:13 +00:00
pixman@97336fad32
po po: Update all *.po files 2013-08-07 12:48:00 -05:00
qapi qapi: fix memleak by adding implict struct functions in dealloc visitor 2013-11-05 19:58:38 -08:00
qga Use error_is_set() only when necessary 2014-02-17 11:57:23 -05:00
qobject qapi: extend qdict_flatten() for QLists 2014-01-22 12:07:17 +01:00
qom add optional 2nd stage initialization to -object/object-add commands 2014-01-28 12:47:02 -05:00
roms Update seabios to 1.7.4 2014-02-07 16:42:13 +00:00
scripts QMP: allow JSON dict arguments in qmp-shell 2014-02-17 11:57:23 -05:00
slirp misc: Spelling and grammar fixes in comments 2013-10-26 13:06:45 +04:00
stubs Merge remote-tracking branch 'kiszka/queues/slirp' into staging 2013-09-17 10:01:24 -05:00
sysconfigs/target
target-alpha exec: Make stl_*_phys input an AddressSpace 2014-02-11 22:57:18 +10:00
target-arm exec: Make stl_*_phys input an AddressSpace 2014-02-11 22:57:18 +10:00
target-cris cris: Add interrupt signals to the CPU device 2014-02-03 14:03:59 +00:00
target-i386 exec: Make stb_phys input an AddressSpace 2014-02-11 22:57:38 +10:00
target-lm32 target-lm32: stop VM on illegal or unknown instruction 2014-02-04 19:47:39 +01:00
target-m68k Merge remote-tracking branch 'rth/tcg-pull' into staging 2013-10-11 09:36:52 -07:00
target-microblaze Microblaze: Convert Microblaze-pic handling to GPIOs 2014-01-14 11:08:36 +10:00
target-mips target-mips: Use new qemu_ld/st opcodes 2013-12-21 16:42:11 +01:00
target-moxie cpu: Drop cpu_model_str from CPU_COMMON 2013-10-07 11:48:47 +02:00
target-openrisc openrisc: Fix spelling in comment (transaltion -> translation) 2013-12-23 16:02:19 +04:00
target-ppc PPC: KVM: Add missing address space to ldl_phys helper 2014-02-14 10:42:31 +00:00
target-s390x exec: Make stb_phys input an AddressSpace 2014-02-11 22:57:38 +10:00
target-sh4 target-sh4: Use new qemu_ld/st opcodes 2013-12-21 16:42:15 +01:00
target-sparc exec: Make stb_phys input an AddressSpace 2014-02-11 22:57:38 +10:00
target-unicore32 exec: Make ldl_*_phys input an AddressSpace 2014-02-11 22:56:54 +10:00
target-xtensa exec: Make ldl_*_phys input an AddressSpace 2014-02-11 22:56:54 +10:00
tcg tcg: Add TCGV_UNUSED_PTR, TCGV_IS_UNUSED_PTR, TCGV_EQUAL_PTR 2014-02-08 14:46:55 +00:00
tests Use error_is_set() only when necessary 2014-02-17 11:57:23 -05:00
trace trace: add glib 2.32+ static GMutex support 2014-01-27 15:49:39 +01:00
ui gtk: Support keyboard translation for hosts running Windows 2014-01-20 19:30:28 +01:00
util Use error_is_set() only when necessary 2014-02-17 11:57:23 -05:00
.exrc
.gitignore .gitignore: Ignore config.status 2013-12-02 21:02:57 +04:00
.gitmodules Use qemu-project.org domain name 2013-10-11 09:34:56 -07:00
.mailmap Update mailmap 2013-09-05 09:40:31 -05:00
.travis.yml .travis.yml: Add aarch64-* targets 2014-01-08 19:07:20 +00:00
aio-posix.c aio: make aio_poll(ctx, true) block with no fds 2013-12-06 16:53:51 +01:00
aio-win32.c aio: make aio_poll(ctx, true) block with no fds 2013-12-06 16:53:51 +01:00
arch_init.c Don't abort on memory allocation error 2014-02-04 16:50:37 +01:00
async.c aio / timers: aio_ctx_prepare sets timeout from AioContext timers 2013-08-22 19:10:28 +02:00
balloon.c
block-migration.c block: per caller dirty bitmap 2013-11-29 13:40:33 +01:00
block.c Use error_is_set() only when necessary 2014-02-17 11:57:23 -05:00
blockdev-nbd.c nbd: use BlockDriverState refcnt 2013-09-06 15:25:08 +02:00
blockdev.c Use error_is_set() only when necessary 2014-02-17 11:57:23 -05:00
blockjob.c Use error_is_set() only when necessary 2014-02-17 11:57:23 -05:00
bt-host.c
bt-vhci.c
Changelog Use qemu-project.org domain name 2013-10-11 09:34:56 -07:00
CODING_STYLE
configure Block patches 2014-02-12 16:42:50 +00:00
COPYING
COPYING.LIB
coroutine-gthread.c
coroutine-sigaltstack.c
coroutine-ucontext.c
coroutine-win32.c
cpu-exec.c exec: Make ldl_*_phys input an AddressSpace 2014-02-11 22:56:54 +10:00
cpus.c cpu: Add per-cpu address space 2014-02-11 22:56:37 +10:00
cputlb.c cpu: Add per-cpu address space 2014-02-11 22:56:37 +10:00
device_tree.c device_tree: qemu_fdt_setprop: Rename val_array arg 2013-12-20 01:58:12 +01:00
device-hotplug.c
disas.c disas: Implement disassembly output for A64 2014-02-08 14:50:48 +00:00
dma-helpers.c aio / timers: Untangle include files 2013-08-22 19:10:27 +02:00
dump.c dump-guest-memory: Check for the correct return value 2013-10-25 23:25:48 +02:00
exec.c exec: Make cpu_memory_rw_debug use the CPUs AS 2014-02-11 22:57:49 +10:00
gdbstub.c vl: allow "cont" from panicked state 2013-11-04 15:39:41 +02:00
HACKING
hmp-commands.hx block: update block commit documentation regarding image truncation 2014-01-24 16:12:49 +01:00
hmp.c Use error_is_set() only when necessary 2014-02-17 11:57:23 -05:00
hmp.h monitor: add object-add (QMP) and object_add (HMP) command 2014-01-06 13:45:47 -05:00
iohandler.c
ioport.c portio: Allow to mark portio lists as coalesced MMIO flushing 2013-10-17 17:24:15 +02:00
kvm-all.c Merge remote-tracking branch 'remotes/kvm/uq/master' into staging 2014-02-06 23:51:24 +00:00
kvm-stub.c kvm irqfd: support direct msimessage to irq translation 2013-09-20 12:37:52 +02:00
LICENSE LICENSE: clarify 2013-08-12 09:15:12 -05:00
main-loop.c slirp: set mainloop timeout with more precise value 2013-09-17 12:26:05 +02:00
MAINTAINERS block: add native support for NFS 2014-02-09 09:12:38 +01:00
Makefile Add bios-256k.bin to BLOBS on Makefile 2014-01-15 23:34:17 +04:00
Makefile.objs readline: move readline to a generic location 2014-01-22 12:07:17 +01:00
Makefile.target default-configs/: CONFIG_GDBSTUB_XML removed 2013-10-16 18:21:01 +02:00
memory_mapping.c cpu: Use QTAILQ for CPU list 2013-09-03 12:25:55 +02:00
memory.c memory: split cpu_physical_memory_* functions to its own include 2014-01-13 14:04:54 +01:00
migration-exec.c aio / timers: Untangle include files 2013-08-22 19:10:27 +02:00
migration-fd.c aio / timers: Untangle include files 2013-08-22 19:10:27 +02:00
migration-rdma.c rdma: constify ram_chunk_{index, start, end} 2013-09-24 13:22:50 +02:00
migration-tcp.c aio / timers: Untangle include files 2013-08-22 19:10:27 +02:00
migration-unix.c aio / timers: Untangle include files 2013-08-22 19:10:27 +02:00
migration.c XBZRLE cache size should not be larger than guest memory size 2014-02-04 16:49:28 +01:00
monitor.c exec: Make ldq/ldub_*_phys input an AddressSpace 2014-02-11 22:57:00 +10:00
nbd.c nbd: don't change socket block during negotiate 2013-12-16 10:12:20 +01:00
os-posix.c
os-win32.c
page_cache.c Don't abort on memory allocation error 2014-02-04 16:50:37 +01:00
qapi-schema.json block: add native support for NFS 2014-02-09 09:12:38 +01:00
qdev-monitor.c Use error_is_set() only when necessary 2014-02-17 11:57:23 -05:00
qdict-test-data.txt
qemu-bridge-helper.c
qemu-char.c Use error_is_set() only when necessary 2014-02-17 11:57:23 -05:00
qemu-coroutine-io.c aio / timers: Untangle include files 2013-08-22 19:10:27 +02:00
qemu-coroutine-lock.c coroutine: remove qemu_co_queue_wait_insert_head 2013-12-02 17:11:49 +01:00
qemu-coroutine-sleep.c coroutine: add co_aio_sleep_ns() to allow sleep in block drivers 2013-10-30 12:22:09 +01:00
qemu-coroutine.c coroutine: add ./configure --disable-coroutine-pool 2013-09-12 10:12:48 +02:00
qemu-doc.texi Describe flaws in qcow/qcow2 encryption in the docs 2014-01-31 22:05:03 +01:00
qemu-file.c qemu-file: Move QEMUFile code to qemu-file.c 2014-01-13 12:39:49 +01:00
qemu-img-cmds.hx qemu-img: add -l for snapshot in convert 2013-12-04 15:19:00 +01:00
qemu-img.c Use error_is_set() only when necessary 2014-02-17 11:57:23 -05:00
qemu-img.texi Describe flaws in qcow/qcow2 encryption in the docs 2014-01-31 22:05:03 +01:00
qemu-io-cmds.c qemu-io: New command 'sleep' 2014-01-24 17:40:03 +01:00
qemu-io.c readline: Add missing GCC_FMT_ATTR 2014-02-01 13:46:06 +04:00
qemu-log.c
qemu-nbd.c qemu-nbd: add doc for option -f 2013-12-04 15:19:00 +01:00
qemu-nbd.texi qemu-nbd: add doc for option -f 2013-12-04 15:19:00 +01:00
qemu-options-wrapper.h
qemu-options.h
qemu-options.hx doc: Mention chardev:id in available devices for -serial 2014-01-01 18:03:55 +04:00
qemu-seccomp.c seccomp: add some basic shared memory syscalls to the whitelist 2014-01-20 11:19:34 -02:00
qemu-tech.texi
qemu-timer.c timer: add timer_mod_anticipate and timer_mod_anticipate_ns 2013-10-17 17:31:00 +02:00
qemu.nsi nsis: Improved support for parallel installation of 32 and 64 bit code 2013-11-07 07:02:44 +01:00
qemu.sasl
qmp-commands.hx block: update block commit documentation regarding image truncation 2014-01-24 16:12:49 +01:00
qmp.c add optional 2nd stage initialization to -object/object-add commands 2014-01-28 12:47:02 -05:00
qtest.c qtest: don't report signals if qtest driver enabled 2014-02-05 16:55:50 +02:00
README Use qemu-project.org domain name 2013-10-11 09:34:56 -07:00
rules.mak rules.mak: Link with C++ if we have a C++ compiler 2014-02-08 14:50:48 +00:00
savevm.c Use error_is_set() only when necessary 2014-02-17 11:57:23 -05:00
spice-qemu-char.c spice: hook qemu_chr_fe_set_open() event to ports 2014-02-03 11:05:15 +01:00
tcg-runtime.c
tci.c misc: Use new rotate functions 2013-09-25 21:23:05 +02:00
thread-pool.c aio / timers: Untangle include files 2013-08-22 19:10:27 +02:00
thunk.c
tpm.c Use error_is_set() only when necessary 2014-02-17 11:57:23 -05:00
trace-events qcow2: remove n_start and n_end of qcow2_alloc_cluster_offset() 2014-02-09 09:12:39 +01:00
translate-all.c exec: Make tb_invalidate_phys_addr input an AS 2014-02-11 22:55:55 +10:00
translate-all.h split definitions for exec.c and translate-all.c radix trees 2013-12-10 12:29:56 +02:00
user-exec.c
VERSION Open 2.0 development tree 2013-11-27 14:02:45 -08:00
version.rc Use qemu-project.org domain name 2013-10-11 09:34:56 -07:00
vl.c Use error_is_set() only when necessary 2014-02-17 11:57:23 -05:00
vmstate.c vmstate: Move VMState code to vmstate.c 2014-01-13 12:39:49 +01:00
xbzrle.c
xen-all.c xen: fix two errors when debug is enabled 2013-12-01 18:25:48 +00:00
xen-mapcache.c
xen-stub.c pc: Initializing ram_memory under Xen. 2013-09-09 16:22:19 +00:00

README 

Read the documentation in qemu-doc.html or on http://wiki.qemu-project.org

- QEMU team