The error path of the NUMA topology detection introduced in commit
b56a7c89a ("MEDIUM: cfgparse: detect numa and set affinity if needed")
lacks an initialization resulting in possible crashes at boot. No
backport is needed since that was introduced in 2.4-dev.
ha_cpuset_zero(&node_cpu_set);
/* 1. count the sysfs node<X> directories */
+ node_dirlist = NULL;
node_dirlist_size = scandir(NUMA_DETECT_SYSTEM_SYSFS_PATH"/node", &node_dirlist, numa_filter, alphasort);
if (node_dirlist_size <= 1)
goto free_scandir_entries;