vz: use g_autofree in prlsdkConvertCpuInfo

Convert the function to use g_autofree to silence -Wmaybe-uninitialized.
Signed-off-by: NJán Tomko <jtomko@redhat.com>
Reviewed-by: NPeter Krempa <pkrempa@redhat.com>

src/vz/vz_sdk.c

@@ -1456,44 +1456,40 @@ prlsdkConvertCpuInfo(PRL_HANDLE sdkdom,
                      virDomainDefPtr def,
                      virDomainXMLOptionPtr xmlopt)
 {
-    char *buf;
+    g_autofree char *buf = NULL;
     int hostcpus;
     PRL_UINT32 cpuCount;
     PRL_RESULT pret;
-    int ret = -1;
 
     if ((hostcpus = virHostCPUGetCount()) < 0)
-        goto cleanup;
+        return -1;
 
     /* get number of CPUs */
     pret = PrlVmCfg_GetCpuCount(sdkdom, &cpuCount);
-    prlsdkCheckRetGoto(pret, cleanup);
+    prlsdkCheckRetExit(pret, -1);
 
     if (cpuCount > hostcpus)
         cpuCount = hostcpus;
 
     if (virDomainDefSetVcpusMax(def, cpuCount, xmlopt) < 0)
-        goto cleanup;
+        return -1;
 
     if (virDomainDefSetVcpus(def, cpuCount) < 0)
-        goto cleanup;
+        return -1;
 
     if (!(buf = prlsdkGetStringParamVar(PrlVmCfg_GetCpuMask, sdkdom)))
-        goto cleanup;
+        return -1;
 
     if (strlen(buf) == 0) {
         if (!(def->cpumask = virBitmapNew(hostcpus)))
-            goto cleanup;
+            return -1;
         virBitmapSetAll(def->cpumask);
     } else {
         if (virBitmapParse(buf, &def->cpumask, hostcpus) < 0)
-            goto cleanup;
+            return -1;
     }
 
-    ret = 0;
- cleanup:
-    VIR_FREE(buf);
-    return ret;
+    return 0;
 }
 
 static int