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 8aaa2c4086 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 18:38:47 +02:00
.gnulib@644c40496c maint: update to latest gnulib 2013-07-29 15:59:14 -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 14:03:38 -06:00
docs Fix minor typos in messages and docs 2014-02-18 17:37:25 +00:00
examples examples: fix mingw build vs. printf 2013-07-29 16:20:29 -06:00
gnulib maint: update to latest gnulib 2013-01-02 09:38:30 -07:00
include Add a virGetLastErrorMessage() function 2013-06-12 16:37:55 -04:00
m4 Fix build with clang 2013-07-29 15:59:21 -06:00
po Prep for release 1.0.5.9 2014-01-16 20:33:29 -05:00
python Return right error code for baselineCPU 2013-12-14 13:39:20 -05:00
src qemu: cleanup error checking on agent replies 2014-04-09 18:38:47 +02:00
tests Don't ignore errors parsing nwfilter rules 2014-02-06 15:05:31 +02:00
tools libvirt-guests: Run only after libvirtd 2013-11-20 09:04:09 -05:00
.dir-locals.el build: avoid tabs that failed syntax-check 2012-09-06 09:43:46 -06:00
.gitignore Add a test suite for cgroups functionality 2013-04-15 17:35:31 +01:00
.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 Disable static libraries by default 2013-04-03 11:02:27 +01:00
autogen.sh build: honor autogen.sh --no-git 2013-07-29 15:58:59 -06:00
bootstrap maint: update to latest gnulib 2013-07-29 15:59:14 -06:00
bootstrap.conf maint: update to latest gnulib 2013-07-29 15:59:14 -06:00
cfg.mk build: honor autogen.sh --no-git 2013-07-29 15:58:59 -06:00
ChangeLog-old virterror.c: Fix several spelling mistakes 2012-02-03 11:32:51 -07:00
configure.ac Prep for release 1.0.5.9 2014-01-16 20:33:29 -05:00
COPYING.LIB Update to COPYING.LIB to latest LGPLv2.1 copy 2013-03-15 10:50:32 +01:00
HACKING Fix minor typos in messages and docs 2014-02-18 17:37:25 +00:00
libvirt.pc.in build: silence warning from autoconf 2012-05-30 09:22:02 -06:00
libvirt.spec.in Prep for release 1.0.5.9 2014-01-16 20:33:29 -05:00
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 test: Return Libvirt logo as domain screenshot 2013-04-02 14:38:56 +02:00
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

         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>