[libvirt] [PATCH] vbox: VIR_WARN if we don't support the API version

[Cole Robinson]

We presently don't give any indication if the VirtualBox version
isn't in our support whitelist.
---
 src/vbox/vbox_common.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/vbox/vbox_common.c b/src/vbox/vbox_common.c
index 0cead10..50ebdba 100644
--- a/src/vbox/vbox_common.c
+++ b/src/vbox/vbox_common.c
@@ -7856,7 +7856,11 @@ virHypervisorDriverPtr vboxGetHypervisorDriver(uint32_t uVersion)
     /* Install gVBoxAPI according to the vbox API version. */
     int result = 0;
     installUniformedAPI(gVBoxAPI, result);
-    if (result < 0) return NULL;
+    if (result < 0) {
+        VIR_WARN(_("Libvirt doesn't support VirtualBox API version %u"),
+                   uVersion);
+        return NULL;
+    }
     updateDriver();
     return &vboxCommonDriver;
 }
-- 
2.7.3