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qemu: More qemu_monitor_json cleanups

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Recent adjustments to the code produced a litany of coverity false
positives, but only because the "standard" procedure of setting a
variable to NULL after it was assigned to something else and keeping
the *Free/*FREE call in the cleanup path wasn't kept. So this patch
makes those adjustments (assign variable to NULL and remove the if
'ret < 0' condition to clean it up).

Signed-off-by: John Ferlan <jferlan@redhat.com>
This commit is contained in:
John Ferlan 2016-05-16 07:47:26 -04:00
parent a1efc9428b
commit 52760707bc
1 changed files with 25 additions and 21 deletions
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46
src/qemu/qemu_monitor_json.c
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@ -4863,9 +4863,10 @@ int qemuMonitorJSONGetMachines(qemuMonitorPtr mon,
ret = n;
*machines = infolist;
infolist = NULL;
cleanup:
if (ret < 0 && infolist) {
if (infolist) {
for (i = 0; i < n; i++)
qemuMonitorMachineInfoFree(infolist[i]);
VIR_FREE(infolist);
@ -4939,10 +4940,10 @@ int qemuMonitorJSONGetCPUDefinitions(qemuMonitorPtr mon,
ret = n;
*cpus = cpulist;
cpulist = NULL;
cleanup:
if (ret < 0)
virStringFreeList(cpulist);
virStringFreeList(cpulist);
virJSONValueFree(cmd);
virJSONValueFree(reply);
return ret;
@ -5003,10 +5004,11 @@ int qemuMonitorJSONGetCommands(qemuMonitorPtr mon,
ret = n;
*commands = commandlist;
commandlist = NULL;
cleanup:
if (ret < 0)
virStringFreeList(commandlist);
virStringFreeList(commandlist);
virJSONValueFree(cmd);
virJSONValueFree(reply);
return ret;
@ -5072,10 +5074,10 @@ int qemuMonitorJSONGetEvents(qemuMonitorPtr mon,
ret = n;
*events = eventlist;
eventlist = NULL;
cleanup:
if (ret < 0)
virStringFreeList(eventlist);
virStringFreeList(eventlist);
virJSONValueFree(cmd);
virJSONValueFree(reply);
return ret;
@ -5189,6 +5191,7 @@ qemuMonitorJSONGetCommandLineOptionParameters(qemuMonitorPtr mon,
ret = n;
*params = paramlist;
paramlist = NULL;
cleanup:
/* If we failed before getting the JSON array of options, we (try)
@ -5196,8 +5199,7 @@ qemuMonitorJSONGetCommandLineOptionParameters(qemuMonitorPtr mon,
if (!qemuMonitorGetOptions(mon))
qemuMonitorSetOptions(mon, virJSONValueNewArray());
if (ret < 0)
virStringFreeList(paramlist);
virStringFreeList(paramlist);
virJSONValueFree(cmd);
virJSONValueFree(reply);
return ret;
@ -5306,10 +5308,10 @@ int qemuMonitorJSONGetObjectTypes(qemuMonitorPtr mon,
ret = n;
*types = typelist;
typelist = NULL;
cleanup:
if (ret < 0)
virStringFreeList(typelist);
virStringFreeList(typelist);
virJSONValueFree(cmd);
virJSONValueFree(reply);
return ret;
@ -5389,9 +5391,10 @@ int qemuMonitorJSONGetObjectListPaths(qemuMonitorPtr mon,
ret = n;
*paths = pathlist;
pathlist = NULL;
cleanup:
if (ret < 0 && pathlist) {
if (pathlist) {
for (i = 0; i < n; i++)
qemuMonitorJSONListPathFree(pathlist[i]);
VIR_FREE(pathlist);
@ -5616,10 +5619,10 @@ int qemuMonitorJSONGetObjectProps(qemuMonitorPtr mon,
ret = n;
*props = proplist;
proplist = NULL;
cleanup:
if (ret < 0)
virStringFreeList(proplist);
virStringFreeList(proplist);
virJSONValueFree(cmd);
virJSONValueFree(reply);
return ret;
@ -5726,10 +5729,10 @@ qemuMonitorJSONGetMigrationCapabilities(qemuMonitorPtr mon,
ret = n;
*capabilities = list;
list = NULL;
cleanup:
if (ret < 0)
virStringFreeList(list);
virStringFreeList(list);
virJSONValueFree(cmd);
virJSONValueFree(reply);
return ret;
@ -5911,10 +5914,10 @@ qemuMonitorJSONGetGICCapabilities(qemuMonitorPtr mon,
ret = n;
*capabilities = list;
list = NULL;
cleanup:
if (ret < 0)
VIR_FREE(list);
VIR_FREE(list);
virJSONValueFree(cmd);
virJSONValueFree(reply);
@ -6125,10 +6128,10 @@ qemuMonitorJSONGetStringArray(qemuMonitorPtr mon, const char *qmpCmd,
ret = n;
*array = list;
list = NULL;
cleanup:
if (ret < 0)
virStringFreeList(list);
virStringFreeList(list);
virJSONValueFree(cmd);
virJSONValueFree(reply);
return ret;
@ -6668,9 +6671,10 @@ qemuMonitorJSONGetIOThreads(qemuMonitorPtr mon,
ret = n;
*iothreads = infolist;
infolist = NULL;
cleanup:
if (ret < 0 && infolist) {
if (infolist) {
for (i = 0; i < n; i++)
VIR_FREE(infolist[i]);
VIR_FREE(infolist);