If we fail to give the access, the domain will unlikely work correctly.
So we should bail out at the first error.

Signed-off-by: Julien Grall <julien.gr...@linaro.org>
Cc: Ian Jackson <ian.jack...@eu.citrix.com>
Cc: Stefano Stabellini <stefano.stabell...@eu.citrix.com>
Cc: Ian Campbell <ian.campb...@citrix.com>
Cc: Wei Liu <wei.l...@citrix.com>

---
This patch is candidate for a backport for at least Xen 4.4 and Xen 4.5.
---
 tools/libxl/libxl_create.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/libxl/libxl_create.c b/tools/libxl/libxl_create.c
index 1198225..09d481a 100644
--- a/tools/libxl/libxl_create.c
+++ b/tools/libxl/libxl_create.c
@@ -1167,6 +1167,7 @@ static void domcreate_launch_dm(libxl__egc *egc, 
libxl__multidev *multidev,
                  "failed give dom%d access to ioports %"PRIx32"-%"PRIx32,
                  domid, io->first, io->first + io->number - 1);
             ret = ERROR_FAIL;
+            goto error_out;
         }
     }
 
@@ -1182,6 +1183,7 @@ static void domcreate_launch_dm(libxl__egc *egc, 
libxl__multidev *multidev,
         if (ret < 0) {
             LOGE(ERROR, "failed give dom%d access to irq %d", domid, irq);
             ret = ERROR_FAIL;
+            goto error_out;
         }
     }
 
-- 
2.1.4


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