[PATCH] virDomainDiskDef: Turn @device into enum

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It's used as enum everywhere, so why store its value in an int?

Signed-off-by: Michal Privoznik <mprivozn@xxxxxxxxxx>
---
 src/conf/domain_conf.c   | 9 +++------
 src/conf/domain_conf.h   | 2 +-
 src/qemu/qemu_command.c  | 2 ++
 src/vmx/vmx.c            | 6 +++---
 src/vmx/vmx.h            | 2 +-
 src/xenconfig/xen_sxpr.c | 4 +++-
 6 files changed, 13 insertions(+), 12 deletions(-)

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 6df1618..8ccce89 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -7211,11 +7211,13 @@ virDomainDiskDefParseXML(virDomainXMLOptionPtr xmlopt,
 
     device = virXMLPropString(node, "device");
     if (device) {
-        if ((def->device = virDomainDiskDeviceTypeFromString(device)) < 0) {
+        int dev = virDomainDiskDeviceTypeFromString(device);
+        if (dev < 0) {
             virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                            _("unknown disk device '%s'"), device);
             goto error;
         }
+        def->device = dev;
     } else {
         def->device = VIR_DOMAIN_DISK_DEVICE_DISK;
     }
@@ -18944,11 +18946,6 @@ virDomainDiskDefFormat(virBufferPtr buf,
                        _("unexpected disk type %d"), def->src->type);
         return -1;
     }
-    if (!device) {
-        virReportError(VIR_ERR_INTERNAL_ERROR,
-                       _("unexpected disk device %d"), def->device);
-        return -1;
-    }
     if (!bus) {
         virReportError(VIR_ERR_INTERNAL_ERROR,
                        _("unexpected disk bus %d"), def->bus);
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index f043554..fe16c78 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -686,7 +686,7 @@ struct _virDomainDiskDef {
 
     virObjectPtr privateData;
 
-    int device; /* enum virDomainDiskDevice */
+    virDomainDiskDevice device;
     int bus; /* enum virDomainDiskBus */
     char *dst;
     int tray_status; /* enum virDomainDiskTray */
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 25f57f2..781fc4a 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -10135,6 +10135,8 @@ qemuBuildCommandLine(virConnectPtr conn,
                 bootindex = bootDisk;
                 bootDisk = 0;
                 break;
+            case VIR_DOMAIN_DISK_DEVICE_LAST:
+                break;
             }
 
             virCommandAddArg(cmd, "-drive");
diff --git a/src/vmx/vmx.c b/src/vmx/vmx.c
index 70cda2a..6d519b3 100644
--- a/src/vmx/vmx.c
+++ b/src/vmx/vmx.c
@@ -1926,8 +1926,8 @@ virVMXParseSCSIController(virConfPtr conf, int controller, bool *present,
 
 int
 virVMXParseDisk(virVMXContext *ctx, virDomainXMLOptionPtr xmlopt, virConfPtr conf,
-                int device, int busType, int controllerOrBus, int unit,
-                virDomainDiskDefPtr *def, virDomainDefPtr vmdef)
+                virDomainDiskDevice device, int busType, int controllerOrBus,
+                int unit, virDomainDiskDefPtr *def, virDomainDefPtr vmdef)
 {
     /*
      *          device = {VIR_DOMAIN_DISK_DEVICE_DISK,
@@ -3251,7 +3251,7 @@ virVMXFormatConfig(virVMXContext *ctx, virDomainXMLOptionPtr xmlopt, virDomainDe
 
             break;
 
-          default:
+          case VIR_DOMAIN_DISK_DEVICE_LAST:
             virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                            _("Unsupported disk device type '%s'"),
                            virDomainDiskDeviceTypeToString(def->disks[i]->device));
diff --git a/src/vmx/vmx.h b/src/vmx/vmx.h
index e986124..16b616b 100644
--- a/src/vmx/vmx.h
+++ b/src/vmx/vmx.h
@@ -88,7 +88,7 @@ int virVMXParseSCSIController(virConfPtr conf, int controller, bool *present,
                               int *virtualDev);
 
 int virVMXParseDisk(virVMXContext *ctx, virDomainXMLOptionPtr xmlopt,
-                    virConfPtr conf, int device, int busType,
+                    virConfPtr conf, virDomainDiskDevice device, int busType,
                     int controllerOrBus, int unit, virDomainDiskDefPtr *def,
                     virDomainDefPtr vmdef);
 
diff --git a/src/xenconfig/xen_sxpr.c b/src/xenconfig/xen_sxpr.c
index 1d43ec1..1b2ddc6 100644
--- a/src/xenconfig/xen_sxpr.c
+++ b/src/xenconfig/xen_sxpr.c
@@ -2357,7 +2357,9 @@ xenFormatSxpr(virConnectPtr conn,
                     virBufferEscapeSexpr(&buf, "'%s')", src);
                     break;
 
-                default:
+                case VIR_DOMAIN_DISK_DEVICE_DISK:
+                case VIR_DOMAIN_DISK_DEVICE_LUN:
+                case VIR_DOMAIN_DISK_DEVICE_LAST:
                     break;
                 }
             }
-- 
2.4.6

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