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Libvirt provides a portable, long term stable C API for managing the virtualization technologies provided by many operating systems. It includes support for QEMU, KVM, Xen, LXC, bhyve, Virtuozzo, VMware vCenter and ESX, VMware Desktop, Hyper-V, VirtualBox and the POWER Hypervisor.
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Martin Kletzander 16ee93cc7a qemu: cleanup error checking on agent replies 
On all the places where qemuAgentComand() was called, we did a check
for errors in the reply.  Unfortunately, some of the places called
qemuAgentCheckError() without checking for non-null reply which might
have resulted in a crash.

So this patch makes the error-checking part of qemuAgentCommand()
itself, which:

 a) makes it look better,

 b) makes the check mandatory and, most importantly,

 c) checks for the errors if and only if it is appropriate.

This actually fixes a potential crashers when qemuAgentComand()
returned 0, but reply was NULL.  Having said that, it *should* fix the
following bug:

https://bugzilla.redhat.com/show_bug.cgi?id=1058149

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
(cherry picked from commit 5b3492fadb)

Conflicts:
	src/qemu/qemu_agent.c -- vCPU functions (3099c063)
2014-04-09 18:10:39 +02:00
.gnulib@92f3a4c8e5 maint: update to latest gnulib 2013-09-18 15:04:36 -06:00
build-aux Document bracket whitespace rules & add syntax-check rule 2012-11-02 14:00:32 +00:00
daemon Fix crash in remoteDispatchDomainMemoryStats (CVE-2013-4296) 2013-09-18 15:08:35 -06:00
docs Release of libvirt 1.0.3 2013-03-05 12:00:53 +08:00
examples hellolibvirt: Adjust code to use new APIs 2013-03-04 17:36:03 -05:00
gnulib maint: update to latest gnulib 2013-01-02 09:38:30 -07:00
include Introduce virDomainMigrate*CompressionCache APIs 2013-02-22 17:35:59 +01:00
m4 Fix typo in configure.ac causing $LIBS to gain a copy of $CFLAGS 2013-02-05 18:04:16 +00:00
po Release of libvirt 1.0.3 2013-03-05 12:00:53 +08:00
python python: fix fd leak in generator.py 2013-03-01 15:49:07 +08:00
src qemu: cleanup error checking on agent replies 2014-04-09 18:10:39 +02:00
tests Remove virConnectPtr arg from virNWFilterDefParse* 2014-02-06 15:46:27 +02:00
tools build: use proper pod for nested bulleted VIRSH_DEBUG list 2014-01-15 11:01:46 -07:00
.dir-locals.el build: avoid tabs that failed syntax-check 2012-09-06 09:43:46 -06:00
.gitignore Add autogenerated lxc_protocol.[ch] to gitignore 2013-02-18 08:57:57 -06:00
.gitmodules make .gnulib a submodule 2009-07-08 16:17:51 +02:00
.mailmap Autogenerate AUTHORS 2012-10-19 12:44:56 -04:00
AUTHORS.in Add John Ferlan to the committers list 2013-02-05 10:59:32 -05:00
autobuild.sh Switch automated builds to use Mingw64 toolchain instead of Mingw32 2012-06-25 10:41:10 +01:00
autogen.sh build: fix incremental autogen.sh when no AUTHORS is present 2012-12-03 14:59:09 -07:00
bootstrap maint: update to latest gnulib 2013-09-18 15:04:30 -06:00
bootstrap.conf build: more mingw fixes 2013-02-15 15:45:52 -07:00
cfg.mk util: portably check for unchanged uid 2013-03-15 14:47:39 -06:00
ChangeLog-old virterror.c: Fix several spelling mistakes 2012-02-03 11:32:51 -07:00
configure.ac Add support for using 3-arg pkcheck syntax for process (CVE-2013-4311) 2013-09-18 17:44:15 +01:00
COPYING.LIB remove all trailing blank lines 2009-07-16 15:06:42 +02:00
HACKING Turn virSecurityManager into a virObjectLockable 2013-02-11 12:33:41 +00:00
libvirt.pc.in build: silence warning from autoconf 2012-05-30 09:22:02 -06:00
libvirt.spec.in Add support for using 3-arg pkcheck syntax for process (CVE-2013-4311) 2013-09-18 17:44:15 +01:00
Makefile.am build: Fix AUTHORS generation 2012-12-17 21:17:55 +01:00
Makefile.nonreentrant Ban use of all inet_* functions 2010-10-22 11:59:23 +01:00
mingw-libvirt.spec.in spec: indent %if to make it easier to see conditions 2013-01-21 10:36:14 -07:00
README Correct typos in the documentation (Atsushi SAKAI) 2008-01-24 10:15:13 +00:00
README-hacking maint: relax git minimum version 2010-02-24 14:29:27 -05:00
run.in run: license as LGPL 2013-02-23 14:03:19 -07:00
TODO Update todo list file to point at bugzilla/website 2010-10-13 16:45:26 +01:00

README 

         LibVirt : simple API for virtualization

  Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.

Daniel Veillard <veillard@redhat.com>