network/wiphy: use hash_ops with destructor for managing Wiphy objects

Author: yuwata

src/network/networkd-manager.c

@@ -692,7 +692,7 @@ Manager* manager_free(Manager *m) {
         m->tuntap_fds_by_name = hashmap_free(m->tuntap_fds_by_name);
 
         m->wiphy_by_name = hashmap_free(m->wiphy_by_name);
-        m->wiphy_by_index = hashmap_free_with_destructor(m->wiphy_by_index, wiphy_free);
+        m->wiphy_by_index = hashmap_free(m->wiphy_by_index);
 
         ordered_set_free(m->address_pools);
 

src/network/networkd-wiphy.c

@@ -12,7 +12,7 @@
 #include "udev-util.h"
 #include "wifi-util.h"
 
-Wiphy *wiphy_free(Wiphy *w) {
+static Wiphy* wiphy_free(Wiphy *w) {
         if (!w)
                 return NULL;
 
@@ -29,6 +29,13 @@ Wiphy *wiphy_free(Wiphy *w) {
         return mfree(w);
 }
 
+DEFINE_TRIVIAL_CLEANUP_FUNC(Wiphy*, wiphy_free);
+
+DEFINE_PRIVATE_HASH_OPS_WITH_VALUE_DESTRUCTOR(
+                wiphy_hash_ops,
+                void, trivial_hash_func, trivial_compare_func,
+                Wiphy, wiphy_free);
+
 static int wiphy_new(Manager *manager, sd_netlink_message *message, Wiphy **ret) {
         _cleanup_(wiphy_freep) Wiphy *w = NULL;
         _cleanup_free_ char *name = NULL;
@@ -56,7 +63,7 @@ static int wiphy_new(Manager *manager, sd_netlink_message *message, Wiphy **ret)
                 .name = TAKE_PTR(name),
         };
 
-        r = hashmap_ensure_put(&manager->wiphy_by_index, NULL, UINT32_TO_PTR(w->index), w);
+        r = hashmap_ensure_put(&manager->wiphy_by_index, &wiphy_hash_ops, UINT32_TO_PTR(w->index), w);
         if (r < 0)
                 return r;
 

src/network/networkd-wiphy.h

@@ -31,9 +31,6 @@ typedef struct Wiphy {
         RFKillState rfkill_state;
 } Wiphy;
 
-Wiphy *wiphy_free(Wiphy *w);
-DEFINE_TRIVIAL_CLEANUP_FUNC(Wiphy*, wiphy_free);
-
 int wiphy_get_by_index(Manager *manager, uint32_t index, Wiphy **ret);
 int wiphy_get_by_name(Manager *manager, const char *name, Wiphy **ret);