qemu: raise an error when trying to use readonly sata disks

commit 72f919f5 introduced an user
friendly error message when trying to use IDE disks as readonly.

Do the same thing for the SATA bus.

Closes: https://bugzilla.redhat.com/show_bug.cgi?id=1112939Signed-off-by: NGiuseppe Scrivano <gscrivan@redhat.com>

src/qemu/qemu_command.c

@@ -3508,11 +3508,17 @@ qemuBuildDriveStr(virConnectPtr conn,
         virBufferAddLit(&opt, ",boot=on");
     if (disk->src->readonly &&
         virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_READONLY)) {
-        if (disk->bus == VIR_DOMAIN_DISK_BUS_IDE &&
-            disk->device == VIR_DOMAIN_DISK_DEVICE_DISK) {
-            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
-                           _("readonly ide disks are not supported"));
-            goto error;
+        if (disk->device == VIR_DOMAIN_DISK_DEVICE_DISK) {
+            if (disk->bus == VIR_DOMAIN_DISK_BUS_IDE) {
+                virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                               _("readonly ide disks are not supported"));
+                goto error;
+            }
+            if (disk->bus == VIR_DOMAIN_DISK_BUS_SATA) {
+                virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                               _("readonly sata disks are not supported"));
+                goto error;
+            }
         }
         virBufferAddLit(&opt, ",readonly=on");
     }