diff --git a/mesh/keyring.c b/mesh/keyring.c
index 1ef4fc3..0b74ee9 100644
--- a/mesh/keyring.c
+++ b/mesh/keyring.c
snprintf(key_file, PATH_MAX, "%s%s", node_path, net_key_dir);
- if (!mkdir(key_file, 0755))
- return false;
+ mkdir(key_file, 0755);
snprintf(key_file, PATH_MAX, "%s%s/%3.3x", node_path, net_key_dir,
net_idx);
snprintf(key_file, PATH_MAX, "%s%s", node_path, app_key_dir);
- if (!mkdir(key_file, 0755))
- return false;
+ mkdir(key_file, 0755);
snprintf(key_file, PATH_MAX, "%s%s/%3.3x", node_path, app_key_dir,
app_idx);
snprintf(key_file, PATH_MAX, "%s%s", node_path, dev_key_dir);
- if (!mkdir(key_file, 0755))
- return false;
+ mkdir(key_file, 0755);
for (i = 0; i < count; i++) {
snprintf(key_file, PATH_MAX, "%s%s/%4.4x", node_path,