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From c5cdebd40024c33675f93b47732869c658204056 Mon Sep 17 00:00:00 2001
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Message-Id: <c5cdebd40024c33675f93b47732869c658204056@dist-git>
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From: Michal Privoznik <mprivozn@redhat.com>
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Date: Thu, 16 Jan 2020 10:03:53 +0100
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Subject: [PATCH] qemu: Use g_autoptr() for qemuDomainSaveCookie
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
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Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
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Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1718707
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(cherry picked from commit 3203ad6cfd617fb11d4bb47e514c370b6624641b)
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Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
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Message-Id: <5e58b5853f9bd1a2b5109145afdad190071f5c44.1579165329.git.mprivozn@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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---
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 src/qemu/qemu_domain.c | 28 ++++++++++------------------
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 src/qemu/qemu_domain.h |  1 +
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 src/qemu/qemu_driver.c |  6 ++----
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 3 files changed, 13 insertions(+), 22 deletions(-)
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diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
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index 0edf316fff..91a9f0481b 100644
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--- a/src/qemu/qemu_domain.c
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+++ b/src/qemu/qemu_domain.c
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@@ -16001,27 +16001,23 @@ qemuDomainSaveCookiePtr
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 qemuDomainSaveCookieNew(virDomainObjPtr vm)
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 {
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     qemuDomainObjPrivatePtr priv = vm->privateData;
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-    qemuDomainSaveCookiePtr cookie = NULL;
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+    g_autoptr(qemuDomainSaveCookie) cookie = NULL;
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     if (qemuDomainInitialize() < 0)
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-        goto error;
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+        return NULL;
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     if (!(cookie = virObjectNew(qemuDomainSaveCookieClass)))
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-        goto error;
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+        return NULL;
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     if (priv->origCPU && !(cookie->cpu = virCPUDefCopy(vm->def->cpu)))
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-        goto error;
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+        return NULL;
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     cookie->slirpHelper = qemuDomainGetSlirpHelperOk(vm);
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     VIR_DEBUG("Save cookie %p, cpu=%p, slirpHelper=%d",
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               cookie, cookie->cpu, cookie->slirpHelper);
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-    return cookie;
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-
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- error:
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-    virObjectUnref(cookie);
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-    return NULL;
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+    return g_steal_pointer(&cookie);
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 }
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@@ -16029,26 +16025,22 @@ static int
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 qemuDomainSaveCookieParse(xmlXPathContextPtr ctxt G_GNUC_UNUSED,
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                           virObjectPtr *obj)
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 {
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-    qemuDomainSaveCookiePtr cookie = NULL;
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+    g_autoptr(qemuDomainSaveCookie) cookie = NULL;
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     if (qemuDomainInitialize() < 0)
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-        goto error;
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+        return -1;
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     if (!(cookie = virObjectNew(qemuDomainSaveCookieClass)))
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-        goto error;
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+        return -1;
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     if (virCPUDefParseXML(ctxt, "./cpu[1]", VIR_CPU_TYPE_GUEST,
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                           &cookie->cpu) < 0)
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-        goto error;
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+        return -1;
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     cookie->slirpHelper = virXPathBoolean("boolean(./slirpHelper)", ctxt) > 0;
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-    *obj = (virObjectPtr) cookie;
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+    *obj = (virObjectPtr) g_steal_pointer(&cookie);
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     return 0;
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-
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- error:
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-    virObjectUnref(cookie);
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-    return -1;
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 }
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diff --git a/src/qemu/qemu_domain.h b/src/qemu/qemu_domain.h
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index c6afc484f6..60b80297fa 100644
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--- a/src/qemu/qemu_domain.h
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+++ b/src/qemu/qemu_domain.h
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@@ -610,6 +610,7 @@ struct _qemuDomainSaveCookie {
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     bool slirpHelper;
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 };
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+G_DEFINE_AUTOPTR_CLEANUP_FUNC(qemuDomainSaveCookie, virObjectUnref);
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 typedef struct _qemuDomainXmlNsDef qemuDomainXmlNsDef;
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 typedef qemuDomainXmlNsDef *qemuDomainXmlNsDefPtr;
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diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
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index e1c0550b9a..ce9b1772c1 100644
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--- a/src/qemu/qemu_driver.c
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+++ b/src/qemu/qemu_driver.c
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@@ -3293,7 +3293,7 @@ qemuDomainSaveInternal(virQEMUDriverPtr driver,
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     virObjectEventPtr event = NULL;
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     qemuDomainObjPrivatePtr priv = vm->privateData;
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     virQEMUSaveDataPtr data = NULL;
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-    qemuDomainSaveCookiePtr cookie = NULL;
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+    g_autoptr(qemuDomainSaveCookie) cookie = NULL;
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     if (!qemuMigrationSrcIsAllowed(driver, vm, false, 0))
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         goto cleanup;
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@@ -3399,7 +3399,6 @@ qemuDomainSaveInternal(virQEMUDriverPtr driver,
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         qemuDomainRemoveInactiveJob(driver, vm);
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  cleanup:
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-    virObjectUnref(cookie);
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     virQEMUSaveDataFree(data);
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     virObjectEventStateQueue(driver->domainEventState, event);
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     return ret;
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@@ -6808,7 +6807,7 @@ qemuDomainSaveImageStartVM(virConnectPtr conn,
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     g_autofree char *errbuf = NULL;
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     g_autoptr(virQEMUDriverConfig) cfg = virQEMUDriverGetConfig(driver);
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     virQEMUSaveHeaderPtr header = &data->header;
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-    qemuDomainSaveCookiePtr cookie = NULL;
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+    g_autoptr(qemuDomainSaveCookie) cookie = NULL;
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     if (virSaveCookieParseString(data->cookie, (virObjectPtr *)&cookie,
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                                  virDomainXMLOptionGetSaveCookie(driver->xmlopt)) < 0)
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@@ -6919,7 +6918,6 @@ qemuDomainSaveImageStartVM(virConnectPtr conn,
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     ret = 0;
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  cleanup:
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-    virObjectUnref(cookie);
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     if (qemuSecurityRestoreSavedStateLabel(driver, vm, path) < 0)
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         VIR_WARN("failed to restore save state label on %s", path);
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     return ret;
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-- 
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2.25.0
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