[libvirt] [libvirt-glib 2/2] Replace use of gvir_error_new with gvir_set_error

Christophe Fergeau cfergeau at redhat.com
Fri Dec 2 23:39:21 UTC 2011


By using the gvir_set_error family of functions, we get handling of
NULL GError ** for free, which wasn't consistently handled throughout
the code base.
---
 libvirt-gobject/libvirt-gobject-connection.c       |   84 ++++++++----------
 libvirt-gobject/libvirt-gobject-domain-disk.c      |    6 +-
 libvirt-gobject/libvirt-gobject-domain-interface.c |    7 +-
 libvirt-gobject/libvirt-gobject-domain-snapshot.c  |    6 +-
 libvirt-gobject/libvirt-gobject-domain.c           |   93 ++++++++-----------
 libvirt-gobject/libvirt-gobject-interface.c        |    7 +-
 libvirt-gobject/libvirt-gobject-network-filter.c   |    7 +-
 libvirt-gobject/libvirt-gobject-network.c          |    7 +-
 libvirt-gobject/libvirt-gobject-node-device.c      |    7 +-
 libvirt-gobject/libvirt-gobject-secret.c           |    7 +-
 libvirt-gobject/libvirt-gobject-storage-pool.c     |   54 +++++------
 libvirt-gobject/libvirt-gobject-storage-vol.c      |   14 ++--
 libvirt-gobject/libvirt-gobject-stream.c           |   14 ++--
 13 files changed, 134 insertions(+), 179 deletions(-)

diff --git a/libvirt-gobject/libvirt-gobject-connection.c b/libvirt-gobject/libvirt-gobject-connection.c
index 9d3ab10..0f9540a 100644
--- a/libvirt-gobject/libvirt-gobject-connection.c
+++ b/libvirt-gobject/libvirt-gobject-connection.c
@@ -401,21 +401,19 @@ gboolean gvir_connection_open(GVirConnection *conn,
 
     g_mutex_lock(priv->lock);
     if (priv->conn) {
-        if (err)
-            *err = g_error_new(GVIR_CONNECTION_ERROR,
-                               0,
-                               "Connection %s is already open",
-                               priv->uri);
+        g_set_error(err, GVIR_CONNECTION_ERROR,
+                    0,
+                    "Connection %s is already open",
+                    priv->uri);
         g_mutex_unlock(priv->lock);
         return FALSE;
     }
 
     if (!(priv->conn = virConnectOpen(priv->uri))) {
-        if (err)
-            *err = gvir_error_new(GVIR_CONNECTION_ERROR,
-                                  0,
-                                  "Unable to open %s",
-                                  priv->uri);
+        gvir_set_error(err, GVIR_CONNECTION_ERROR,
+                       0,
+                       "Unable to open %s",
+                       priv->uri);
         g_mutex_unlock(priv->lock);
         return FALSE;
     }
@@ -423,8 +421,7 @@ gboolean gvir_connection_open(GVirConnection *conn,
     if (!priv->uri) {
         char *uri = virConnectGetURI(priv->conn);
         if (!uri) {
-            if (err)
-                *err = gvir_error_new(GVIR_CONNECTION_ERROR,
+                gvir_set_error(err, GVIR_CONNECTION_ERROR,
                                       0,
                                       "%s", "Unable to get connection URI");
             virConnectClose(priv->conn);
@@ -570,10 +567,9 @@ static gchar ** fetch_list(virConnectPtr vconn,
     gint i;
 
     if ((n = count_func(vconn)) < 0) {
-        if (err)
-            *err = gvir_error_new(GVIR_CONNECTION_ERROR,
-                                  0,
-                                  "Unable to count %s", name);
+        gvir_set_error(err, GVIR_CONNECTION_ERROR,
+                       0,
+                       "Unable to count %s", name);
         goto error;
     }
 
@@ -583,10 +579,9 @@ static gchar ** fetch_list(virConnectPtr vconn,
 
         lst = g_new(gchar *, n);
         if ((n = list_func(vconn, lst, n)) < 0) {
-            if (err)
-                *err = gvir_error_new(GVIR_CONNECTION_ERROR,
-                                      0,
-                                      "Unable to list %s %d", name, n);
+            gvir_set_error(err, GVIR_CONNECTION_ERROR,
+                           0,
+                           "Unable to list %s %d", name, n);
             goto error;
         }
     }
@@ -623,10 +618,9 @@ gboolean gvir_connection_fetch_domains(GVirConnection *conn,
 
     g_mutex_lock(priv->lock);
     if (!priv->conn) {
-        if (err)
-            *err = g_error_new(GVIR_CONNECTION_ERROR,
-                               0,
-                               "Connection is not open");
+        g_set_error(err, GVIR_CONNECTION_ERROR,
+                    0,
+                    "Connection is not open");
         g_mutex_unlock(priv->lock);
         goto cleanup;
     }
@@ -639,10 +633,9 @@ gboolean gvir_connection_fetch_domains(GVirConnection *conn,
         goto cleanup;
 
     if ((nactive = virConnectNumOfDomains(vconn)) < 0) {
-        if (err)
-            *err = gvir_error_new(GVIR_CONNECTION_ERROR,
-                                  0,
-                                  "Unable to count domains");
+        gvir_set_error(err, GVIR_CONNECTION_ERROR,
+                       0,
+                       "Unable to count domains");
         goto cleanup;
     }
     if (nactive) {
@@ -651,10 +644,9 @@ gboolean gvir_connection_fetch_domains(GVirConnection *conn,
 
         active = g_new(gint, nactive);
         if ((nactive = virConnectListDomains(vconn, active, nactive)) < 0) {
-            if (err)
-                *err = gvir_error_new(GVIR_CONNECTION_ERROR,
-                                      0,
-                                      "Unable to list domains");
+            gvir_set_error(err, GVIR_CONNECTION_ERROR,
+                           0,
+                           "Unable to list domains");
             goto cleanup;
         }
     }
@@ -755,10 +747,9 @@ gboolean gvir_connection_fetch_storage_pools(GVirConnection *conn,
 
     g_mutex_lock(priv->lock);
     if (!priv->conn) {
-        if (err)
-            *err = g_error_new(GVIR_CONNECTION_ERROR,
-                               0,
-                               "Connection is not open");
+        g_set_error(err, GVIR_CONNECTION_ERROR,
+                    0,
+                    "Connection is not open");
         g_mutex_unlock(priv->lock);
         goto cleanup;
     }
@@ -1238,10 +1229,9 @@ GVirDomain *gvir_connection_create_domain(GVirConnection *conn,
     handle = virDomainDefineXML(priv->conn, xml);
     g_free(xml);
     if (!handle) {
-        if (err)
-            *err = gvir_error_new_literal(GVIR_CONNECTION_ERROR,
-                                          0,
-                                          "Failed to create domain");
+        gvir_set_error_literal(err, GVIR_CONNECTION_ERROR,
+                               0,
+                               "Failed to create domain");
         return NULL;
     }
 
@@ -1286,10 +1276,9 @@ GVirDomain *gvir_connection_start_domain(GVirConnection *conn,
     handle = virDomainCreateXML(priv->conn, xml, flags);
     g_free(xml);
     if (!handle) {
-        if (err)
-            *err = gvir_error_new_literal(GVIR_CONNECTION_ERROR,
-                                          0,
-                                          "Failed to create domain");
+        gvir_set_error_literal(err, GVIR_CONNECTION_ERROR,
+                               0,
+                               "Failed to create domain");
         return NULL;
     }
 
@@ -1331,10 +1320,9 @@ GVirStoragePool *gvir_connection_create_storage_pool
     g_return_val_if_fail(xml != NULL, NULL);
 
     if (!(handle = virStoragePoolDefineXML(priv->conn, xml, flags))) {
-        if (err)
-            *err = gvir_error_new_literal(GVIR_CONNECTION_ERROR,
-                                          flags,
-                                          "Failed to create storage pool");
+        gvir_set_error_literal(err, GVIR_CONNECTION_ERROR,
+                               flags,
+                               "Failed to create storage pool");
         return NULL;
     }
 
diff --git a/libvirt-gobject/libvirt-gobject-domain-disk.c b/libvirt-gobject/libvirt-gobject-domain-disk.c
index ab9b29f..919b27e 100644
--- a/libvirt-gobject/libvirt-gobject-domain-disk.c
+++ b/libvirt-gobject/libvirt-gobject-domain-disk.c
@@ -175,10 +175,8 @@ GVirDomainDiskStats *gvir_domain_disk_get_stats(GVirDomainDisk *self, GError **e
     handle = gvir_domain_device_get_domain_handle(GVIR_DOMAIN_DEVICE(self));
 
     if (virDomainBlockStats(handle, priv->path, &stats, sizeof (stats)) < 0) {
-        if (err)
-            *err = gvir_error_new_literal(GVIR_DOMAIN_DISK_ERROR,
-                                          0,
-                                          "Unable to get domain disk stats");
+        gvir_set_error_literal(err, GVIR_DOMAIN_DISK_ERROR, 0,
+                               "Unable to get domain disk stats");
         goto end;
     }
 
diff --git a/libvirt-gobject/libvirt-gobject-domain-interface.c b/libvirt-gobject/libvirt-gobject-domain-interface.c
index 223a663..0917e03 100644
--- a/libvirt-gobject/libvirt-gobject-domain-interface.c
+++ b/libvirt-gobject/libvirt-gobject-domain-interface.c
@@ -175,10 +175,9 @@ GVirDomainInterfaceStats *gvir_domain_interface_get_stats(GVirDomainInterface *s
     handle = gvir_domain_device_get_domain_handle(GVIR_DOMAIN_DEVICE(self));
 
     if (virDomainInterfaceStats(handle, priv->path, &stats, sizeof (stats)) < 0) {
-        if (err)
-            *err = gvir_error_new_literal(GVIR_DOMAIN_INTERFACE_ERROR,
-                                          0,
-                                          "Unable to get domain interface stats");
+        gvir_set_error_literal(err, GVIR_DOMAIN_INTERFACE_ERROR,
+                               0,
+                               "Unable to get domain interface stats");
         goto end;
     }
 
diff --git a/libvirt-gobject/libvirt-gobject-domain-snapshot.c b/libvirt-gobject/libvirt-gobject-domain-snapshot.c
index 36dd15b..e68321d 100644
--- a/libvirt-gobject/libvirt-gobject-domain-snapshot.c
+++ b/libvirt-gobject/libvirt-gobject-domain-snapshot.c
@@ -196,9 +196,9 @@ GVirConfigDomainSnapshot *gvir_domain_snapshot_get_config
     gchar *xml;
 
     if (!(xml = virDomainSnapshotGetXMLDesc(priv->handle, flags))) {
-        *err = gvir_error_new_literal(GVIR_DOMAIN_SNAPSHOT_ERROR,
-                                      0,
-                                      "Unable to get domain_snapshot XML config");
+        gvir_set_error_literal(err, GVIR_DOMAIN_SNAPSHOT_ERROR,
+                               0,
+                               "Unable to get domain_snapshot XML config");
         return NULL;
     }
 
diff --git a/libvirt-gobject/libvirt-gobject-domain.c b/libvirt-gobject/libvirt-gobject-domain.c
index 56694a8..b4e8ef4 100644
--- a/libvirt-gobject/libvirt-gobject-domain.c
+++ b/libvirt-gobject/libvirt-gobject-domain.c
@@ -279,10 +279,9 @@ gint gvir_domain_get_id(GVirDomain *dom,
     gint ret;
 
     if ((ret = virDomainGetID(priv->handle)) < 0) {
-        if (err)
-            *err = gvir_error_new_literal(GVIR_DOMAIN_ERROR,
-                                          0,
-                                          "Unable to get ID for domain");
+        gvir_set_error_literal(err, GVIR_DOMAIN_ERROR,
+                               0,
+                               "Unable to get ID for domain");
     }
     return ret;
 }
@@ -305,10 +304,9 @@ gboolean gvir_domain_start(GVirDomain *dom,
     else
         ret = virDomainCreate(priv->handle);
     if (ret < 0) {
-        if (err)
-            *err = gvir_error_new_literal(GVIR_DOMAIN_ERROR,
-                                          0,
-                                          "Unable to start domain");
+        gvir_set_error_literal(err, GVIR_DOMAIN_ERROR,
+                               0,
+                               "Unable to start domain");
         return FALSE;
     }
 
@@ -327,10 +325,9 @@ gboolean gvir_domain_resume(GVirDomain *dom,
     GVirDomainPrivate *priv = dom->priv;
 
     if (virDomainResume(priv->handle) < 0) {
-        if (err)
-            *err = gvir_error_new_literal(GVIR_DOMAIN_ERROR,
-                                          0,
-                                          "Unable to resume domain");
+        gvir_set_error_literal(err, GVIR_DOMAIN_ERROR,
+                               0,
+                               "Unable to resume domain");
         return FALSE;
     }
 
@@ -354,10 +351,9 @@ gboolean gvir_domain_stop(GVirDomain *dom,
     else
         ret = virDomainDestroy(priv->handle);
     if (ret < 0) {
-        if (err)
-            *err = gvir_error_new_literal(GVIR_DOMAIN_ERROR,
-                                          0,
-                                          "Unable to stop domain");
+        gvir_set_error_literal(err, GVIR_DOMAIN_ERROR,
+                               0,
+                               "Unable to stop domain");
         return FALSE;
     }
 
@@ -381,10 +377,9 @@ gboolean gvir_domain_delete(GVirDomain *dom,
     else
         ret = virDomainUndefine(priv->handle);
     if (ret < 0) {
-        if (err)
-            *err = gvir_error_new_literal(GVIR_DOMAIN_ERROR,
-                                          0,
-                                          "Unable to delete domain");
+        gvir_set_error_literal(err, GVIR_DOMAIN_ERROR,
+                               0,
+                               "Unable to delete domain");
         return FALSE;
     }
 
@@ -403,10 +398,9 @@ gboolean gvir_domain_shutdown(GVirDomain *dom,
     GVirDomainPrivate *priv = dom->priv;
 
     if (virDomainShutdown(priv->handle) < 0) {
-        if (err)
-            *err = gvir_error_new_literal(GVIR_DOMAIN_ERROR,
-                                          0,
-                                          "Unable to shutdown domain");
+        gvir_set_error_literal(err, GVIR_DOMAIN_ERROR,
+                               0,
+                               "Unable to shutdown domain");
         return FALSE;
     }
 
@@ -425,10 +419,9 @@ gboolean gvir_domain_reboot(GVirDomain *dom,
     GVirDomainPrivate *priv = dom->priv;
 
     if (virDomainReboot(priv->handle, flags) < 0) {
-        if (err)
-            *err = gvir_error_new_literal(GVIR_DOMAIN_ERROR,
-                                          0,
-                                          "Unable to reboot domain");
+        gvir_set_error_literal(err, GVIR_DOMAIN_ERROR,
+                               0,
+                               "Unable to reboot domain");
         return FALSE;
     }
 
@@ -449,10 +442,9 @@ GVirConfigDomain *gvir_domain_get_config(GVirDomain *dom,
     gchar *xml;
 
     if (!(xml = virDomainGetXMLDesc(priv->handle, flags))) {
-        if (err)
-            *err = gvir_error_new_literal(GVIR_DOMAIN_ERROR,
-                                          0,
-                                          "Unable to get domain XML config");
+        gvir_set_error_literal(err, GVIR_DOMAIN_ERROR,
+                               0,
+                               "Unable to get domain XML config");
         return NULL;
     }
 
@@ -496,10 +488,9 @@ gboolean gvir_domain_set_config(GVirDomain *domain,
     g_return_val_if_fail(xml != NULL, FALSE);
 
     if ((conn = virDomainGetConnect(priv->handle)) == NULL) {
-        if (err != NULL)
-            *err = gvir_error_new_literal(GVIR_DOMAIN_ERROR,
-                                          0,
-                                          "Failed to get domain connection");
+        gvir_set_error_literal(err, GVIR_DOMAIN_ERROR,
+                               0,
+                               "Failed to get domain connection");
         g_free (xml);
 
         return FALSE;
@@ -509,11 +500,9 @@ gboolean gvir_domain_set_config(GVirDomain *domain,
     g_free (xml);
 
     if (handle == NULL) {
-        if (err != NULL)
-            *err = gvir_error_new_literal(GVIR_DOMAIN_ERROR,
-                                          0,
-                                          "Failed to set "
-                                          "domain configuration");
+        gvir_set_error_literal(err, GVIR_DOMAIN_ERROR,
+                               0,
+                               "Failed to set domain configuration");
         return FALSE;
     }
 
@@ -521,11 +510,9 @@ gboolean gvir_domain_set_config(GVirDomain *domain,
     virDomainFree(handle);
 
     if (g_strcmp0 (uuid, priv->uuid) != 0) {
-        if (err != NULL)
-            *err = gvir_error_new_literal(GVIR_DOMAIN_ERROR,
-                                          0,
-                                          "Failed to set "
-                                          "domain configuration");
+        gvir_set_error_literal(err, GVIR_DOMAIN_ERROR,
+                               0,
+                               "Failed to set domain configuration");
 
         return FALSE;
     }
@@ -546,10 +533,9 @@ GVirDomainInfo *gvir_domain_get_info(GVirDomain *dom,
     GVirDomainInfo *ret;
 
     if (virDomainGetInfo(priv->handle, &info) < 0) {
-        if (err)
-            *err = gvir_error_new_literal(GVIR_DOMAIN_ERROR,
-                                          0,
-                                          "Unable to get domain info");
+        gvir_set_error_literal(err, GVIR_DOMAIN_ERROR,
+                               0,
+                               "Unable to get domain info");
         return NULL;
     }
 
@@ -591,10 +577,9 @@ gchar *gvir_domain_screenshot(GVirDomain *dom,
                                      st,
                                      monitor_id,
                                      flags))) {
-        if (err)
-            *err = gvir_error_new_literal(GVIR_DOMAIN_ERROR,
-                                          0,
-                                          "Unable to take a screenshot");
+        gvir_set_error_literal(err, GVIR_DOMAIN_ERROR,
+                               0,
+                               "Unable to take a screenshot");
         goto end;
     }
 end:
diff --git a/libvirt-gobject/libvirt-gobject-interface.c b/libvirt-gobject/libvirt-gobject-interface.c
index 1413abf..7e6e9b0 100644
--- a/libvirt-gobject/libvirt-gobject-interface.c
+++ b/libvirt-gobject/libvirt-gobject-interface.c
@@ -185,10 +185,9 @@ GVirConfigInterface *gvir_interface_get_config(GVirInterface *iface,
     gchar *xml;
 
     if (!(xml = virInterfaceGetXMLDesc(priv->handle, flags))) {
-        if (err)
-            *err = gvir_error_new_literal(GVIR_INTERFACE_ERROR,
-                                          0,
-                                          "Unable to get interface XML config");
+        gvir_set_error_literal(err, GVIR_INTERFACE_ERROR,
+                               0,
+                               "Unable to get interface XML config");
         return NULL;
     }
 
diff --git a/libvirt-gobject/libvirt-gobject-network-filter.c b/libvirt-gobject/libvirt-gobject-network-filter.c
index 2ac8236..f0fd024 100644
--- a/libvirt-gobject/libvirt-gobject-network-filter.c
+++ b/libvirt-gobject/libvirt-gobject-network-filter.c
@@ -211,10 +211,9 @@ GVirConfigNetworkFilter *gvir_network_filter_get_config
     gchar *xml;
 
     if (!(xml = virNWFilterGetXMLDesc(priv->handle, flags))) {
-        if (err)
-            *err = gvir_error_new_literal(GVIR_NETWORK_FILTER_ERROR,
-                                          0,
-                                          "Unable to get network_filter XML config");
+        gvir_set_error_literal(err, GVIR_NETWORK_FILTER_ERROR,
+                               0,
+                               "Unable to get network_filter XML config");
         return NULL;
     }
 
diff --git a/libvirt-gobject/libvirt-gobject-network.c b/libvirt-gobject/libvirt-gobject-network.c
index 5f40a77..847c236 100644
--- a/libvirt-gobject/libvirt-gobject-network.c
+++ b/libvirt-gobject/libvirt-gobject-network.c
@@ -207,10 +207,9 @@ GVirConfigNetwork *gvir_network_get_config(GVirNetwork *network,
     gchar *xml;
 
     if (!(xml = virNetworkGetXMLDesc(priv->handle, flags))) {
-        if (err)
-            *err = gvir_error_new_literal(GVIR_NETWORK_ERROR,
-                                          0,
-                                          "Unable to get network XML config");
+        gvir_set_error_literal(err, GVIR_NETWORK_ERROR,
+                               0,
+                               "Unable to get network XML config");
         return NULL;
     }
 
diff --git a/libvirt-gobject/libvirt-gobject-node-device.c b/libvirt-gobject/libvirt-gobject-node-device.c
index e21d1db..59fe84b 100644
--- a/libvirt-gobject/libvirt-gobject-node-device.c
+++ b/libvirt-gobject/libvirt-gobject-node-device.c
@@ -186,10 +186,9 @@ GVirConfigNodeDevice *gvir_node_device_get_config(GVirNodeDevice *device,
     gchar *xml;
 
     if (!(xml = virNodeDeviceGetXMLDesc(priv->handle, flags))) {
-        if (err)
-            *err = gvir_error_new_literal(GVIR_NODE_DEVICE_ERROR,
-                                          0,
-                                          "Unable to get node_device XML config");
+        gvir_set_error_literal(err, GVIR_NODE_DEVICE_ERROR,
+                               0,
+                               "Unable to get node_device XML config");
         return NULL;
     }
 
diff --git a/libvirt-gobject/libvirt-gobject-secret.c b/libvirt-gobject/libvirt-gobject-secret.c
index 7521b73..0c81921 100644
--- a/libvirt-gobject/libvirt-gobject-secret.c
+++ b/libvirt-gobject/libvirt-gobject-secret.c
@@ -197,10 +197,9 @@ GVirConfigSecret *gvir_secret_get_config(GVirSecret *secret,
     gchar *xml;
 
     if (!(xml = virSecretGetXMLDesc(priv->handle, flags))) {
-        if (err)
-            *err = gvir_error_new_literal(GVIR_SECRET_ERROR,
-                                          0,
-                                          "Unable to get secret XML config");
+        gvir_set_error_literal(err, GVIR_SECRET_ERROR,
+                               0,
+                               "Unable to get secret XML config");
         return NULL;
     }
 
diff --git a/libvirt-gobject/libvirt-gobject-storage-pool.c b/libvirt-gobject/libvirt-gobject-storage-pool.c
index e267dff..8d7963f 100644
--- a/libvirt-gobject/libvirt-gobject-storage-pool.c
+++ b/libvirt-gobject/libvirt-gobject-storage-pool.c
@@ -239,10 +239,9 @@ GVirConfigStoragePool *gvir_storage_pool_get_config(GVirStoragePool *pool,
     gchar *xml;
 
     if (!(xml = virStoragePoolGetXMLDesc(priv->handle, flags))) {
-        if (err)
-            *err = gvir_error_new_literal(GVIR_STORAGE_POOL_ERROR,
-                                          0,
-                                          "Unable to get storage_pool XML config");
+        gvir_set_error_literal(err, GVIR_STORAGE_POOL_ERROR,
+                               0,
+                               "Unable to get storage_pool XML config");
         return NULL;
     }
 
@@ -265,10 +264,9 @@ GVirStoragePoolInfo *gvir_storage_pool_get_info(GVirStoragePool *pool,
     GVirStoragePoolInfo *ret;
 
     if (virStoragePoolGetInfo(priv->handle, &info) < 0) {
-        if (err)
-            *err = gvir_error_new_literal(GVIR_STORAGE_POOL_ERROR,
-                                          0,
-                                          "Unable to get storage pool info");
+        gvir_set_error_literal(err, GVIR_STORAGE_POOL_ERROR,
+                               0,
+                               "Unable to get storage pool info");
         return NULL;
     }
 
@@ -297,9 +295,9 @@ static gchar ** fetch_list(virStoragePoolPtr vpool,
     gint i;
 
     if ((n = count_func(vpool)) < 0) {
-        *err = gvir_error_new(GVIR_STORAGE_POOL_ERROR,
-                              0,
-                              "Unable to count %s", name);
+        gvir_set_error(err, GVIR_STORAGE_POOL_ERROR,
+                       0,
+                       "Unable to count %s", name);
         goto error;
     }
 
@@ -309,9 +307,9 @@ static gchar ** fetch_list(virStoragePoolPtr vpool,
 
         lst = g_new(gchar *, n);
         if ((n = list_func(vpool, lst, n)) < 0) {
-            *err = gvir_error_new(GVIR_STORAGE_POOL_ERROR,
-                                  0,
-                                  "Unable to list %s %d", name, n);
+            gvir_set_error(err, GVIR_STORAGE_POOL_ERROR,
+                           0,
+                           "Unable to list %s %d", name, n);
             goto error;
         }
     }
@@ -347,10 +345,9 @@ gboolean gvir_storage_pool_refresh(GVirStoragePool *pool,
     vpool = priv->handle;
 
     if (virStoragePoolRefresh(vpool, 0) < 0) {
-        if (err)
-            *err = gvir_error_new_literal(GVIR_STORAGE_POOL_ERROR,
-                                          0,
-                                          "Unable to refresh storage pool");
+        gvir_set_error_literal(err, GVIR_STORAGE_POOL_ERROR,
+                               0,
+                               "Unable to refresh storage pool");
         goto cleanup;
     }
 
@@ -539,10 +536,9 @@ GVirStorageVol *gvir_storage_pool_create_volume
     g_return_val_if_fail(xml != NULL, NULL);
 
     if (!(handle = virStorageVolCreateXML(priv->handle, xml, 0))) {
-        if (err)
-            *err = gvir_error_new_literal(GVIR_STORAGE_POOL_ERROR,
-                                          0,
-                                          "Failed to create volume");
+        gvir_set_error_literal(err, GVIR_STORAGE_POOL_ERROR,
+                               0,
+                               "Failed to create volume");
         return NULL;
     }
 
@@ -574,10 +570,9 @@ gboolean gvir_storage_pool_build (GVirStoragePool *pool,
                                   GError **err)
 {
     if (virStoragePoolBuild(pool->priv->handle, flags)) {
-        if (err)
-            *err = gvir_error_new_literal(GVIR_STORAGE_POOL_ERROR,
-                                          0,
-                                          "Failed to build storage pool");
+        gvir_set_error_literal(err, GVIR_STORAGE_POOL_ERROR,
+                               0,
+                               "Failed to build storage pool");
         return FALSE;
     }
 
@@ -679,10 +674,9 @@ gboolean gvir_storage_pool_start (GVirStoragePool *pool,
                                   GError **err)
 {
     if (virStoragePoolCreate(pool->priv->handle, flags)) {
-        if (err)
-            *err = gvir_error_new_literal(GVIR_STORAGE_POOL_ERROR,
-                                          0,
-                                          "Failed to start storage pool");
+        gvir_set_error_literal(err, GVIR_STORAGE_POOL_ERROR,
+                               0,
+                               "Failed to start storage pool");
         return FALSE;
     }
 
diff --git a/libvirt-gobject/libvirt-gobject-storage-vol.c b/libvirt-gobject/libvirt-gobject-storage-vol.c
index 15ae404..dc5fb13 100644
--- a/libvirt-gobject/libvirt-gobject-storage-vol.c
+++ b/libvirt-gobject/libvirt-gobject-storage-vol.c
@@ -212,10 +212,9 @@ GVirConfigStorageVol *gvir_storage_vol_get_config(GVirStorageVol *vol,
     gchar *xml;
 
     if (!(xml = virStorageVolGetXMLDesc(priv->handle, flags))) {
-        if (err)
-            *err = gvir_error_new_literal(GVIR_STORAGE_VOL_ERROR,
-                                          0,
-                                          "Unable to get storage_vol XML config");
+        gvir_set_error_literal(err, GVIR_STORAGE_VOL_ERROR,
+                               0,
+                               "Unable to get storage_vol XML config");
         return NULL;
     }
 
@@ -238,10 +237,9 @@ GVirStorageVolInfo *gvir_storage_vol_get_info(GVirStorageVol *vol,
     GVirStorageVolInfo *ret;
 
     if (virStorageVolGetInfo(priv->handle, &info) < 0) {
-        if (err)
-            *err = gvir_error_new_literal(GVIR_STORAGE_VOL_ERROR,
-                                          0,
-                                          "Unable to get storage vol info");
+        gvir_set_error_literal(err, GVIR_STORAGE_VOL_ERROR,
+                               0,
+                               "Unable to get storage vol info");
         return NULL;
     }
 
diff --git a/libvirt-gobject/libvirt-gobject-stream.c b/libvirt-gobject/libvirt-gobject-stream.c
index 7baf515..c1ae765 100644
--- a/libvirt-gobject/libvirt-gobject-stream.c
+++ b/libvirt-gobject/libvirt-gobject-stream.c
@@ -372,10 +372,9 @@ gvir_stream_receive_all(GVirStream *self,
 
     r = virStreamRecvAll(self->priv->handle, stream_sink, &helper);
     if (r < 0) {
-        if (err != NULL)
-            *err = gvir_error_new_literal(GVIR_STREAM_ERROR,
-                                          0,
-                                          "Unable to perform RecvAll");
+        gvir_set_error_literal(err, GVIR_STREAM_ERROR,
+                               0,
+                               "Unable to perform RecvAll");
     }
 
     return r;
@@ -476,10 +475,9 @@ gvir_stream_send_all(GVirStream *self,
 
     r = virStreamSendAll(self->priv->handle, stream_source, &helper);
     if (r < 0) {
-        if (err != NULL)
-            *err = gvir_error_new_literal(GVIR_STREAM_ERROR,
-                                          0,
-                                          "Unable to perform SendAll");
+        gvir_set_error_literal(err, GVIR_STREAM_ERROR,
+                               0,
+                               "Unable to perform SendAll");
     }
 
     return r;
-- 
1.7.7.3




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