[libvirt] [PATCH] init cont->idx correctly

[Wen Congyang]

Steps to reproduce this bug:
1. # virsh attach-disk --target sdb ...
2. # virsh attach-disk --target sdh ... 
   error: Failed to attach disk
   error: operation failed: target scsi:0 already exists

sdh uses scsi:1, rather than scsi:0.

Signed-off-by: Wen Congyang <wency at cn.fujitsu.com>

---
 src/qemu/qemu_hotplug.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index c334f52..670e7d3 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -321,7 +321,7 @@ qemuDomainFindOrCreateSCSIDiskController(struct qemud_driver *driver,
         return NULL;
     }
     cont->type = VIR_DOMAIN_CONTROLLER_TYPE_SCSI;
-    cont->idx = 0;
+    cont->idx = controller;
     cont->model = -1;
 
     VIR_INFO0("No SCSI controller present, hotplugging one");
-- 
1.7.1