[libvirt] [PATCH] Fix xmconfigtest

[Jim Fehlig]

Commit ac63014c introduced a regression in the conversion of Xen
xm config to XML by emitting an empty <cmdline>.  Prior to this
commit, <cmdline> was omitted if the xm config was missing (or
contained an empty) 'extra='.

Signed-off-by: Jim Fehlig <jfehlig at suse.com>
---

Pushing under the build breaker rule.

 src/xenxs/xen_xm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/xenxs/xen_xm.c b/src/xenxs/xen_xm.c
index 745041b..2cd6d4c 100644
--- a/src/xenxs/xen_xm.c
+++ b/src/xenxs/xen_xm.c
@@ -350,7 +350,7 @@ xenParseXM(virConfPtr conf, int xendConfigVersion,
             goto cleanup;
         if (xenXMConfigCopyStringOpt(conf, "ramdisk", &def->os.initrd) < 0)
             goto cleanup;
-        if (xenXMConfigGetString(conf, "extra", &extra, "") < 0)
+        if (xenXMConfigGetString(conf, "extra", &extra, NULL) < 0)
             goto cleanup;
         if (xenXMConfigGetString(conf, "root", &root, NULL) < 0)
             goto cleanup;
-- 
1.8.4.5