From 45c02ee06fca418158e47c1e8096adcff6890818 Mon Sep 17 00:00:00 2001
From: Jiri Denemark <jdenemar@redhat.com>
Date: Tue, 18 Jan 2011 10:04:21 +0100
Subject: [PATCH] qemu: Fail if per-device boot is used but deviceboot is not
 supported

---
 src/qemu/qemu_command.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 24acc10894..537e5370b9 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -2949,6 +2949,13 @@ qemuBuildCommandLine(virConnectPtr conn,
             }
 
             virCommandAddArgBuffer(cmd, &boot_buf);
+        } else if (!(qemuCmdFlags & QEMUD_CMD_FLAG_BOOTINDEX)) {
+            /* def->os.nBootDevs is guaranteed to be > 0 unless per-device boot
+             * configuration is used
+             */
+            qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                            _("hypervisor lacks deviceboot feature"));
+            goto error;
         }
 
         if (def->os.kernel)
-- 
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