coverity: #1425923

avoid NULL-pointer dereference

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

diff --git a/src/lxc/cgroups/cgfs.c b/src/lxc/cgroups/cgfs.c
index f4bcc34ffbfa72acc07d13a85f22a53a6489c6e5..6b9feeb75741f8c446903ebc179f10d82a8d8b20 100644 (file)
--- a/src/lxc/cgroups/cgfs.c
+++ b/src/lxc/cgroups/cgfs.c
@@ -555,7 +555,10 @@ static bool find_hierarchy_mountpts( struct cgroup_meta_data *meta_data, char **
                        }
                }
 
-               k = lxc_array_len((void **)h->all_mount_points);
+               if (h)
+                       k = lxc_array_len((void **)h->all_mount_points);
+               else
+                       k = 0;
                r = lxc_grow_array((void ***)&h->all_mount_points, &h->all_mount_point_capacity, k + 1, 4);
                if (r < 0)
                        goto out;