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The idea is to have it like a soft limit: if possible then break
lines, if not then have a long line instead of some creative
approach.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Commit c4f4e195 fixed a double free, but if the code returns before
we realloc the list and virFirmwareFreeList was called with cfg->nfirmwares
> 0 (e.g. during virQEMUDriverConfigDispose), then it would be rather
disastrous. So let's reinitialize that too to indicate the list is empty.
Coverity pointed out that using nvram[0] as a guard to reallocating the
list could lead to a possible NULL deref. While nvram[0] may always be
true in this case, if it wasn't then the subsequent for loop would fail.
Just reallocate always regardless - even if nfirmwares == 0 as
virFirmwareFreeList will free it for us anyway.
Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Initialize and free @magic since virJSONValueObjectAppendString
does not free it for us eventually.
Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Initialize and free @magic since virJSONValueObjectAppendString
does not free it for us eventually.
Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
The API is in the storage family not the domain family
Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Since 032548c4 @cmd was never autofree'd. Perhaps as a result of
VIR_AUTOPTR type changes occurring at roughly the same time so the
copy pasta missed this.
Found by Coverity.
Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Now that no one uses VIR_AUTOSTRINGLIST it can be dropped.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Glib provides g_auto(GStrv) which is in-place replacement of our
VIR_AUTOSTRINGLIST.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
If there is an error getting info from guest agent, then the
control on qemuDomainGetGuestInfo() jumps onto 'exitagent' label
and subsequently continues on 'endagentjob'. Both labels are hit
also in success case too. The control then continues by
attempting to match fetched info (e.g. disk addresses) with
domain def. But this is needless - the API will return error
regardless.
To return early from the function move both 'exitagent' and
'endagentjob' labels at the end of the function and jump straight
onto 'cleanup' afterwards. This allows us to set 'ret = 0' later
- only when we know we succeeded.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
If building for windows with curl disabled we get build failures due to
missing ws2_32 library needed for winsock2.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Remove the function along with helpers for caching the reply and tests.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Use the new handler to fetch the required data and do the extraction
locally without conversion to string list.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Add a new set hander for getting the data for
'query-command-line-options' which returns everything at once and lets
the caller extract the data. This way we don't need to cache the output
of the monitor command for repeated calls.
Note that we will have enough testing of this code path via
qemucapabilitiestest.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Try to motivate the users to describe what they want to achieve before
diving down into technical specifics.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
When reporting an issue in gitlab, the project can define a template for
various scenarios which are meant to guide the users to add the relevant
information the project needs to the reported issue.
Add a template for a bug report against libvirt. The template adds
sections which motivate users to add version information and also link
to documentation about fetching logs and such.
Note that markdown seems to be the only supported format for now.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
The 'error' label is just returning -1, so let's 'return -1'
directly.
Use g_autoptr() with virDomainControllerDefPtr to remove the
need to call virDomainControllerDefFree() in the error path.
There is no need to VIR_FREE(nodes) explictly since 'nodes'
is using g_autofree.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Let's register AUTOPTR_CLEANUP_FUNC for virDomainControllerDefPtr
and modernize this function, removing the 'error' label using
g_autoptr().
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
The 'error' label is just doing a 'return -1'.
There's also a couple of 'VIR_FREE(nodes)' calls that are happening
right before exiting on error, but 'nodes' is already set for
autocleanup. These calls can also be removed.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Register a AUTOPTR_CLEANUP_FUNC for virDomainSmartcardDef and use
g_autoptr() to eliminate the 'error' label.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Register an AUTOPTR_CLEANUP_FUNC for virDomainDiskDefPtr, then
use g_autoptr() in virDomainDiskDef and virStorageEncryption
pointers to get rid of the 'cleanup' and 'error' labels.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This will open an opportunity to modernize virDomainDiskDefParseXML()
in the next patch.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This will modernize virDomainVideoDefParseXML() and
virDomainDefAddImplicitVideo() by removing unneeded
cleanup labels.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
The 'video' pointer is only being freed on error path, meaning
that we're leaking it after each loop restart.
There are more opportunities for auto cleanups of virDomainVideoDef
pointers, so let's register AUTOPTR_CLEANUP_FUNC for it to use
g_autoptr() later on.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Use g_autoptr() with the hash and remove the 'cleanup' label.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This spares us of 2 explicit VIR_FREE() calls.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
While for virQEMUCapsNew this should not be needed
(the possible failures in VIR_CLASS_NEW are only hit
on bad API usage which we don't do here),
virQEMUCapsNewCopy calls into many other functions,
some of which actually fail.
Check the return value of both.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Do not look up the index of the passed FD in places where
we already have it.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
An alternative to qemuVirCommandGetFDSet that takes the index
into the passed FD set as an argument and does not try to look it up.
Use it as well ass virCommandPassFDIndex in qemuBuildChrChardevFileStr
and qemuBuildInterfaceCommandLine.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Just like virCommandPassFD, but it also returns an index of
the passed FD in the FD set.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
We only jump to cleanup before allocating any lists.
Drop the dead code.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Currently, ret is only used in the 'cleanup' section
and initialized right before the jump.
Switch to the customary initialization to -1 and only
leave in the 'ret = 0' statement on an empty list.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
In a few commit back (v6.10.0-5-gb3dad96972) a new helper for
obtaining string arrays from a virJSONObject was introduced:
virJSONValueObjectGetStringArray(). I've identified three places
where it can be used instead of open coding it:
qemuAgentSSHGetAuthorizedKeys(),
qemuMonitorJSONGetStringListProperty() and
qemuMonitorJSONGetCPUDefinitions().
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The virJSONValueObjectGetStringArray() function is given a @key
which is supposed to be an array inside given @object. Well, if
it's not then an error state is returned (NULL), but no error
message is set.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
We should highlight the language bindings that are actively
maintained, keep up with the core library's development pace,
have good API coverage and are relevant to people looking to
integrate libvirt into their projects today: based on these
criteria, it makes sense to highlight the Go binding instead
of the Java one.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
cfg->firmwares still points to the original memory address after being
freed by virFirmwareFreeList(). As cfg get freed, it will be freed again
even if cfg->nfirmwares=0 which eventually lead to crash.
The patch fix it by setting cfg->firmwares to NULL explicitly after
virFirmwareFreeList() returns
Signed-off-by: Guoyi Tu<tu.guoyi@h3c.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The original logic is incorrect. We would delete the device entry
from eBPF map only if the newval would be same as current val in the
map. In case that the device was allowed only as read-only but later
we remove all permissions for that device it would remain in the table
with empty values.
The old code would still deny the device but it's not working as
intended. Instead we will update the value in advance. If the updated
value is 0 it means that we are removing all permissions so it should
be removed from the map, otherwise we will update the value in map.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1810356
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Kernel commit <d505b8af58912ae1e1a211fabc9995b19bd40828> added proper
check for cpu quota maximum limit to prevent internal overflow.
Even though this change is not present in all kernels it makes sense
to enforce the same limit in libvirt.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1750315
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Tested-by: Han Han <hhan@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Tested-by: Han Han <hhan@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Tested-by: Han Han <hhan@redhat.com>
guest-get-disks is available since QEMU 5.2:
https://wiki.qemu.org/ChangeLog/5.2#Guest_agent
Note that the test response was manually edited based on a reply on my
bare-metal computer. It shows partial results due to pcieport driver not
being currently supported by QGA.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Tested-by: Han Han <hhan@redhat.com>
There might be more potential users around, I haven't looked thoroughly.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Tested-by: Han Han <hhan@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Tested-by: Han Han <hhan@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Tested-by: Han Han <hhan@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Tested-by: Han Han <hhan@redhat.com>
