[PATCH RESEND] LXC: fix memory leak when userns configuration is incorrect

[Gao feng <gaofeng@xxxxxxxxxxxxxx>]

We forgot to free the stack when Kernel doesn't
support user namespace.

Signed-off-by: Gao feng <gaofeng@xxxxxxxxxxxxxx>
---
 src/lxc/lxc_container.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/lxc/lxc_container.c b/src/lxc/lxc_container.c
index 282c726..c8420db 100644
--- a/src/lxc/lxc_container.c
+++ b/src/lxc/lxc_container.c
@@ -2131,6 +2131,7 @@ int lxcContainerStart(virDomainDefPtr def,
         } else {
             virReportSystemError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                                  _("Kernel doesn't support user namespace"));
+            VIR_FREE(stack);
             return -1;
         }
     }
-- 
1.8.1.4

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