[libvirt] [PATCH] qemu: Remove redundant error reporting codes

[Osier Yang]

As virDomainDefParseString already reported the error if it
fails, and the redundant error reports codes will override
error reported by virDomainDefParseString with some unclear
messages, removed them.

* src/qemu/qemu_driver.c
---
 src/qemu/qemu_driver.c |   33 +++++++++++++--------------------
 1 files changed, 13 insertions(+), 20 deletions(-)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index ab664a0..fd8e401 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -3600,8 +3600,10 @@ static virDomainPtr qemudDomainCreate(virConnectPtr conn, const char *xml,
     virCheckFlags(VIR_DOMAIN_START_PAUSED, NULL);

     qemuDriverLock(driver);
-    if (!(def = virDomainDefParseString(driver->caps, xml,
-                                        VIR_DOMAIN_XML_INACTIVE)))
+
+    def = virDomainDefParseString(driver->caps, xml, VIR_DOMAIN_XML_INACTIVE);
+    if (!def)
+        /* virDomainDefParseString reports the error. */
         goto cleanup;

     if (virSecurityManagerVerify(driver->securityManager, def) < 0)
@@ -5746,12 +5748,9 @@ qemudDomainSaveImageOpen(struct qemud_driver *driver,
     }

     /* Create a domain from this XML */
-    if (!(def = virDomainDefParseString(driver->caps, xml,
-                                        VIR_DOMAIN_XML_INACTIVE))) {
-        qemuReportError(VIR_ERR_OPERATION_FAILED,
-                        "%s", _("failed to parse XML"));
+    def = virDomainDefParseString(driver->caps, xml, VIR_DOMAIN_XML_INACTIVE);
+    if (!def)
         goto error;
-    }

     VIR_FREE(xml);

@@ -6412,8 +6411,9 @@ static virDomainPtr qemudDomainDefine(virConnectPtr conn, const char *xml) {
     int dupVM;

     qemuDriverLock(driver);
-    if (!(def = virDomainDefParseString(driver->caps, xml,
-                                        VIR_DOMAIN_XML_INACTIVE)))
+
+    def = virDomainDefParseString(driver->caps, xml, VIR_DOMAIN_XML_INACTIVE);
+    if (!def)
         goto cleanup;

     if (virSecurityManagerVerify(driver->securityManager, def) < 0)
@@ -8046,13 +8046,9 @@ qemudDomainMigratePrepareTunnel(virConnectPtr dconn,
     }

     /* Parse the domain XML. */
-    if (!(def = virDomainDefParseString(driver->caps, dom_xml,
-                                        VIR_DOMAIN_XML_INACTIVE))) {
-        qemuReportError(VIR_ERR_OPERATION_FAILED,
-                        "%s", _("failed to parse XML, libvirt version may be "
-                                "different between source and destination host"));
+    def = virDomainDefParseString(driver->caps, dom_xml, VIR_DOMAIN_XML_INACTIVE);
+    if (!def)
         goto cleanup;
-    }

     if (!qemuDomainIsMigratable(def))
         goto cleanup;
@@ -8320,12 +8316,9 @@ qemudDomainMigratePrepare2 (virConnectPtr dconn,
         VIR_DEBUG("Generated uri_out=%s", *uri_out);

     /* Parse the domain XML. */
-    if (!(def = virDomainDefParseString(driver->caps, dom_xml,
-                                        VIR_DOMAIN_XML_INACTIVE))) {
-        qemuReportError(VIR_ERR_OPERATION_FAILED,
-                        "%s", _("failed to parse XML"));
+    def = virDomainDefParseString(driver->caps, dom_xml, VIR_DOMAIN_XML_INACTIVE);
+    if (!def)
         goto cleanup;
-    }

     if (!qemuDomainIsMigratable(def))
         goto cleanup;
--
1.7.4