[libvirt] [PATCH] xen: Fix incorrect use of error codes

[Osier Yang]

Commit d07aa6a96 intended to fix incorrect use of VIR_ERR_NO_SUPPORT,
but some of the changes are not proper, this patch fixes the problems.
---
 src/xen/xen_hypervisor.c |    4 ++--
 src/xen/xend_internal.c  |   12 ++++++------
 src/xen/xm_internal.c    |    3 +--
 3 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/src/xen/xen_hypervisor.c b/src/xen/xen_hypervisor.c
index 77085c9..cb22b89 100644
--- a/src/xen/xen_hypervisor.c
+++ b/src/xen/xen_hypervisor.c
@@ -1457,7 +1457,7 @@ xenHypervisorDomainBlockStats (virDomainPtr dom,
     xenUnifiedUnlock(priv);
     return ret;
 #else
-    virXenErrorFunc(VIR_ERR_OPERATION_INVALID, __FUNCTION__,
+    virXenErrorFunc(VIR_ERR_NO_SUPPORT, __FUNCTION__,
                     "block statistics not supported on this platform",
                     dom->id);
     return -1;
@@ -1495,7 +1495,7 @@ xenHypervisorDomainInterfaceStats (virDomainPtr dom,
 
     return linuxDomainInterfaceStats(path, stats);
 #else
-    virXenErrorFunc(VIR_ERR_OPERATION_INVALID, __FUNCTION__,
+    virXenErrorFunc(VIR_ERR_NO_SUPPORT, __FUNCTION__,
                     "/proc/net/dev: Interface not found", 0);
     return -1;
 #endif
diff --git a/src/xen/xend_internal.c b/src/xen/xend_internal.c
index f44d674..eb04f49 100644
--- a/src/xen/xend_internal.c
+++ b/src/xen/xend_internal.c
@@ -3222,7 +3222,7 @@ xenDaemonDomainMigratePerform (virDomainPtr domain,
 
     /* Xen doesn't support renaming domains during migration. */
     if (dname) {
-        virXendError(VIR_ERR_OPERATION_INVALID,
+        virXendError(VIR_ERR_ARGUMENT_UNSUPPORTED,
                       "%s", _("xenDaemonDomainMigrate: Xen does not support"
                         " renaming domains during migration"));
         return -1;
@@ -3232,7 +3232,7 @@ xenDaemonDomainMigratePerform (virDomainPtr domain,
      * ignores it.
      */
     if (bandwidth) {
-        virXendError(VIR_ERR_OPERATION_INVALID,
+        virXendError(VIR_ERR_ARGUMENT_UNSUPPORTED,
                       "%s", _("xenDaemonDomainMigrate: Xen does not support"
                         " bandwidth limits during migration"));
         return -1;
@@ -3260,7 +3260,7 @@ xenDaemonDomainMigratePerform (virDomainPtr domain,
      * a nice error message.
      */
     if (flags & VIR_MIGRATE_PAUSED) {
-        virXendError(VIR_ERR_OPERATION_INVALID,
+        virXendError(VIR_ERR_ARGUMENT_UNSUPPORTED,
                       "%s", _("xenDaemonDomainMigrate: xend cannot migrate paused domains"));
         return -1;
     }
@@ -3268,7 +3268,7 @@ xenDaemonDomainMigratePerform (virDomainPtr domain,
     /* XXX we could easily do tunnelled & peer2peer migration too
        if we want to. support these... */
     if (flags != 0) {
-        virXendError(VIR_ERR_OPERATION_INVALID,
+        virXendError(VIR_ERR_ARGUMENT_UNSUPPORTED,
                       "%s", _("xenDaemonDomainMigrate: unsupported flag"));
         return -1;
     }
@@ -3871,7 +3871,7 @@ xenDaemonDomainBlockPeek (virDomainPtr domain, const char *path,
                           domain->name);
     else {
         /* This call always fails for dom0. */
-        virXendError(VIR_ERR_OPERATION_INVALID,
+        virXendError(VIR_ERR_ARGUMENT_UNSUPPORTED,
                       "%s", _("domainBlockPeek is not supported for dom0"));
         return -1;
     }
@@ -4060,7 +4060,7 @@ virDomainXMLDevID(virDomainPtr domain,
         if (tmp == NULL)
             return -1;
     } else {
-        virXendError(VIR_ERR_OPERATION_INVALID,
+        virXendError(VIR_ERR_CONFIG_UNSUPPORTED,
                      "%s", _("hotplug of device type not supported"));
         return -1;
     }
diff --git a/src/xen/xm_internal.c b/src/xen/xm_internal.c
index 24311a7..95387c9 100644
--- a/src/xen/xm_internal.c
+++ b/src/xen/xm_internal.c
@@ -1571,8 +1571,7 @@ xenXMDomainBlockPeek (virDomainPtr dom ATTRIBUTE_UNUSED,
                       size_t size ATTRIBUTE_UNUSED,
                       void *buffer ATTRIBUTE_UNUSED)
 {
-    xenXMError(VIR_ERR_OPERATION_INVALID, "%s",
-               _("block peeking not implemented"));
+    xenXMError(VIR_ERR_NO_SUPPORT, __FUNCTION__);
     return -1;
 }
 
-- 
1.7.6