[libvirt] [PATCH 3/4] qemu: driver: Convert qemuDomainGetInfo to use VIR_AUTORELEASE

[Peter Krempa]

As an example of how to use VIR_AUTORELEASE let's convert this API's
'vm' object to use the new helper.

Signed-off-by: Peter Krempa <pkrempa at redhat.com>
---
 src/qemu/qemu_driver.c | 21 ++++++++-------------
 1 file changed, 8 insertions(+), 13 deletions(-)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index c61295bbbb..0988071708 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -2723,14 +2723,13 @@ qemuDomainGetInfo(virDomainPtr dom,
                   virDomainInfoPtr info)
 {
     unsigned long long maxmem;
-    virDomainObjPtr vm;
-    int ret = -1;
+    VIR_AUTORELEASE(virDomainObjPtr) vm = NULL;

     if (!(vm = qemuDomObjFromDomain(dom)))
-        goto cleanup;
+        return -1;

     if (virDomainGetInfoEnsureACL(dom->conn, vm->def) < 0)
-        goto cleanup;
+        return -1;

     qemuDomainUpdateCurrentMemorySize(vm);

@@ -2742,33 +2741,29 @@ qemuDomainGetInfo(virDomainPtr dom,
     if (VIR_ASSIGN_IS_OVERFLOW(info->maxMem, maxmem)) {
         virReportError(VIR_ERR_OVERFLOW, "%s",
                        _("Initial memory size too large"));
-        goto cleanup;
+        return -1;
     }

     if (VIR_ASSIGN_IS_OVERFLOW(info->memory, vm->def->mem.cur_balloon)) {
         virReportError(VIR_ERR_OVERFLOW, "%s",
                        _("Current memory size too large"));
-        goto cleanup;
+        return -1;
     }

     if (virDomainObjIsActive(vm)) {
         if (qemuGetProcessInfo(&(info->cpuTime), NULL, NULL, vm->pid, 0) < 0) {
             virReportError(VIR_ERR_OPERATION_FAILED, "%s",
                            _("cannot read cputime for domain"));
-            goto cleanup;
+            return -1;
         }
     }

     if (VIR_ASSIGN_IS_OVERFLOW(info->nrVirtCpu, virDomainDefGetVcpus(vm->def))) {
         virReportError(VIR_ERR_OVERFLOW, "%s", _("cpu count too large"));
-        goto cleanup;
+        return -1;
     }

-    ret = 0;
-
- cleanup:
-    virDomainObjEndAPI(&vm);
-    return ret;
+    return 0;
 }

 static int
-- 
2.21.0