[PATCH v2 1/3] libxl, Fix name of tap device.

[anthony.perard@citrix.com]

From: Anthony PERARD <anthony.perard@citrix.com>

Currently, tap device names for a domain begin at tap42.-1, but it must
be tap42.0.

Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
---
 tools/libxl/libxl.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c
index 732772c..97cca38 100644
--- a/tools/libxl/libxl.c
+++ b/tools/libxl/libxl.c
@@ -1070,7 +1070,7 @@ static char ** libxl_build_device_model_args(libxl_ctx *ctx,
                                            vifs[i].mac[0], vifs[i].mac[1], vifs[i].mac[2],
                                            vifs[i].mac[3], vifs[i].mac[4], vifs[i].mac[5]);
                 if (!vifs[i].ifname)
-                    vifs[i].ifname = libxl_sprintf(ctx, "tap%d.%d", info->domid, vifs[i].devid - 1);
+                    vifs[i].ifname = libxl_sprintf(ctx, "tap%d.%d", info->domid, vifs[i].devid);
                 flexarray_set(dm_args, num++, "-net");
                 flexarray_set(dm_args, num++, libxl_sprintf(ctx, "nic,vlan=%d,macaddr=%s,model=%s",
                             vifs[i].devid, smac, vifs[i].model));
-- 
1.6.5