coverity: #1425923

avoid NULL-pointer dereference

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

diff --git a/src/lxc/cgfs.c b/src/lxc/cgfs.c
index 43c715f36ea9bca397f4761c44dedf4e66c804d7..202ce6610f64f087ded781ad9cf09f567b839ede 100644 (file)
--- a/src/lxc/cgfs.c
+++ b/src/lxc/cgfs.c
@@ -538,7 +538,10 @@ 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;