refactor to put code responsable to free channel memory in a different function

src/ngx_http_push_stream_module_utils.c

@@ -25,6 +25,8 @@
 
 #include <ngx_http_push_stream_module_utils.h>
 
+static void            nxg_http_push_stream_free_channel_memory_locked(ngx_slab_pool_t *shpool, ngx_http_push_stream_channel_t *channel);
+
 static ngx_inline void
 ngx_http_push_stream_ensure_qtd_of_messages_locked(ngx_http_push_stream_channel_t *channel, ngx_uint_t max_messages, ngx_flag_t expired) {
     ngx_http_push_stream_msg_t             *sentinel, *msg;
@@ -299,6 +301,15 @@ ngx_http_push_stream_free_memory_of_expired_channels_locked(ngx_rbtree_t *tree,
 
         if ((ngx_time() > channel->expires) || force) {
             ngx_rbtree_delete(tree, node);
+            nxg_http_push_stream_free_channel_memory_locked(shpool, channel);
+        }
+    }
+}
+
+
+static void
+nxg_http_push_stream_free_channel_memory_locked(ngx_slab_pool_t *shpool, ngx_http_push_stream_channel_t *channel)
+{
     // delete the worker-subscriber queue
     ngx_http_push_stream_pid_queue_t     *workers_sentinel, *cur, *next;
 
@@ -314,8 +325,6 @@ ngx_http_push_stream_free_memory_of_expired_channels_locked(ngx_rbtree_t *tree,
 
     ngx_slab_free_locked(shpool, channel->id.data);
     ngx_slab_free_locked(shpool, channel);
-        }
-    }
 }