device_delete () Remove subdevices for eg. partitions

kernel/device/device.c

@@ -113,8 +113,35 @@ void device_delete (const char* key, struct proc* proc, struct reschedule_ctx* r
 
   struct device* device = hash_entry (delete_link, struct device, device_table_link);
 
-  if (device != NULL)
+  if (device != NULL) {
+    /* Check for "subdevices", for eg. partition devices */
+
+    for (size_t i = 0; i < lengthof (device_table.device_buckets); i++) {
+      struct hash_node_link* hash_node = device_table.device_buckets[i];
+
+      while (hash_node != NULL) {
+        struct device* dev = hash_entry (hash_node, struct device, device_table_link);
+        hash_node = hash_node->next;
+
+        if (memcmp (dev->key, device->key, strlen (device->key)) == 0) {
+          struct hash_node_link* dev_delete_link;
+
+          size_t dev_key_len = strlen_null (dev->key);
+          uint32_t dev_hash = hash_fnv32 (dev->key, dev_key_len);
+
+          hash_delete (&device_table, dev->key, strlen_null (dev->key), dev_hash,
+                       lengthof (device_table.device_buckets), device_buckets, struct device,
+                       device_table_link, key, dev_delete_link);
+
+          dev->fini (dev, proc, rctx);
+          free (dev);
+        }
+      }
+    }
+
     device->fini (device, proc, rctx);
+    free (device);
+  }
 
   spin_unlock (&device_table.lock, fdt);
 }

usb/usb.c

@@ -52,7 +52,7 @@ static void usb_eject (const char* dev_key) {
 
     if (strcmp (info->device_key, dev_key) == 0) {
       int ret = volume_delete (info->volume_name);
-      mprintf ("Deleted volume %s: %s", info->volume_name, str_status[ret < 0 ? -ret : ret]);
+      mprintf ("Deleted volume %s: %s\n", info->volume_name, str_status[ret < 0 ? -ret : ret]);
       break;
     }
   }