[libvirt PATCH v6 08/15] xen_common: Adapt xenParseCPUFeatures due to changes in xenConfigGetString

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xenConfigGetString returns a newly-allocated pointer and it has to be
freed by the caller.

Signed-off-by: Fabiano Fidêncio <fidencio@xxxxxxxxxx>
---
 src/xenconfig/xen_common.c | 50 +++++++++++++++++++++-----------------
 1 file changed, 28 insertions(+), 22 deletions(-)

diff --git a/src/xenconfig/xen_common.c b/src/xenconfig/xen_common.c
index ab4bb7ff3f..f787827008 100644
--- a/src/xenconfig/xen_common.c
+++ b/src/xenconfig/xen_common.c
@@ -492,40 +492,41 @@ xenParseCPUFeatures(virConfPtr conf,
                     virDomainXMLOptionPtr xmlopt)
 {
     unsigned long count = 0;
-    const char *str = NULL;
+    const char *cpus = NULL, *tsc_mode = NULL;
     int val = 0;
     virDomainTimerDefPtr timer;
+    int ret = -1;
 
     if (xenConfigGetULong(conf, "vcpus", &count, 1) < 0)
-        return -1;
+        goto cleanup;
 
     if (virDomainDefSetVcpusMax(def, count, xmlopt) < 0)
-        return -1;
+        goto cleanup;
 
     if (virDomainDefSetVcpus(def, count) < 0)
-        return -1;
+        goto cleanup;
 
     if (virConfGetValue(conf, "maxvcpus")) {
         if (xenConfigGetULong(conf, "maxvcpus", &count, 0) < 0)
-            return -1;
+            goto cleanup;
 
         if (virDomainDefSetVcpusMax(def, count, xmlopt) < 0)
-            return -1;
+            goto cleanup;
     }
 
-    if (xenConfigGetString(conf, "cpus", &str, NULL) < 0)
-        return -1;
+    if (xenConfigGetString(conf, "cpus", &cpus, NULL) < 0)
+        goto cleanup;
 
-    if (str && (virBitmapParse(str, &def->cpumask, 4096) < 0))
-        return -1;
+    if (cpus && (virBitmapParse(str, &def->cpumask, 4096) < 0))
+        goto cleanup;
 
-    if (xenConfigGetString(conf, "tsc_mode", &str, NULL) < 0)
-        return -1;
+    if (xenConfigGetString(conf, "tsc_mode", &tsc_mode, NULL) < 0)
+        goto cleanup;
 
-    if (str) {
+    if (tsc_mode) {
         if (VIR_EXPAND_N(def->clock.timers, def->clock.ntimers, 1) < 0 ||
             VIR_ALLOC(timer) < 0)
-            return -1;
+            goto cleanup;
 
         timer->name = VIR_DOMAIN_TIMER_NAME_TSC;
         timer->present = 1;
@@ -544,38 +545,38 @@ xenParseCPUFeatures(virConfPtr conf,
 
     if (def->os.type == VIR_DOMAIN_OSTYPE_HVM) {
         if (xenConfigGetBool(conf, "pae", &val, 1) < 0)
-            return -1;
+            goto cleanup;
 
         else if (val)
             def->features[VIR_DOMAIN_FEATURE_PAE] = VIR_TRISTATE_SWITCH_ON;
         if (xenConfigGetBool(conf, "acpi", &val, 1) < 0)
-            return -1;
+            goto cleanup;
 
         else if (val)
             def->features[VIR_DOMAIN_FEATURE_ACPI] = VIR_TRISTATE_SWITCH_ON;
         if (xenConfigGetBool(conf, "apic", &val, 1) < 0)
-            return -1;
+            goto cleanup;
 
         else if (val)
             def->features[VIR_DOMAIN_FEATURE_APIC] = VIR_TRISTATE_SWITCH_ON;
         if (xenConfigGetBool(conf, "hap", &val, 1) < 0)
-            return -1;
+            goto cleanup;
 
         else if (!val)
             def->features[VIR_DOMAIN_FEATURE_HAP] = VIR_TRISTATE_SWITCH_OFF;
         if (xenConfigGetBool(conf, "viridian", &val, 0) < 0)
-            return -1;
+            goto cleanup;
 
         else if (val)
             def->features[VIR_DOMAIN_FEATURE_VIRIDIAN] = VIR_TRISTATE_SWITCH_ON;
 
         if (xenConfigGetBool(conf, "hpet", &val, -1) < 0)
-            return -1;
+            goto cleanup;
 
         if (val != -1) {
             if (VIR_EXPAND_N(def->clock.timers, def->clock.ntimers, 1) < 0 ||
                 VIR_ALLOC(timer) < 0)
-                return -1;
+                goto cleanup;
 
             timer->name = VIR_DOMAIN_TIMER_NAME_HPET;
             timer->present = val;
@@ -587,7 +588,12 @@ xenParseCPUFeatures(virConfPtr conf,
         }
     }
 
-    return 0;
+    ret = 0;
+
+ cleanup:
+    VIR_FREE(cpus);
+    VIR_FREE(tsc_mode);
+    return ret;
 }
 
 
-- 
2.17.1

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