[PATCH] lib: Don't access configuration if none is present

[Peter Krempa <pkrempa@xxxxxxxxxx>]

Commit e457d5ef2015e6106094b85f8bbd1582002edc4d adds ability to pass the
default URI using the client configuration file. If the file is not
present, it still accesses the NULL config object causing a segfault.

Caught running "make check".
---
 src/libvirt.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/src/libvirt.c b/src/libvirt.c
index 1c0cdf7..d0b1b28 100644
--- a/src/libvirt.c
+++ b/src/libvirt.c
@@ -1085,7 +1085,8 @@ virConnectOpenResolveURIAlias(virConfPtr conf,

     *uri = NULL;

-    if ((value = virConfGetValue(conf, "uri_aliases")))
+    if (conf &&
+        (value = virConfGetValue(conf, "uri_aliases")))
         ret = virConnectOpenFindURIAliasMatch(value, alias, uri);
     else
         ret = 0;
-- 
1.7.3.4

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