lxc: Allow NULL argument to lxcDomainDefNamespaceFree()

As all other free functions, NULL should be accepted. Even though
there currently is no caller that would pass NULL, there will be
in future patches.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Laine Stump <laine@redhat.com>

diff --git a/src/lxc/lxc_domain.c b/src/lxc/lxc_domain.c
index df60519fca25b245339abb819281510094d3864c..707262336bed81db2778f4a1a32112ba8c9e50be 100644 (file)
--- a/src/lxc/lxc_domain.c
+++ b/src/lxc/lxc_domain.c
@@ -195,6 +195,10 @@ lxcDomainDefNamespaceFree(void *nsdata)
 {
     size_t i;
     lxcDomainDefPtr lxcDef = nsdata;
+
+    if (!lxcDef)
+        return;
+
     for (i = 0; i < VIR_LXC_DOMAIN_NAMESPACE_LAST; i++)
         g_free(lxcDef->ns_val[i]);
     g_free(nsdata);