simplify ngx_http_push_stream_get_channel function

include/ngx_http_push_stream_rbtree_util.h

@@ -34,7 +34,7 @@
 #ifndef NGX_HTTP_PUSH_STREAM_RBTREE_UTIL_H_
 #define NGX_HTTP_PUSH_STREAM_RBTREE_UTIL_H_
 
-static ngx_http_push_stream_channel_t *     ngx_http_push_stream_get_channel(ngx_str_t *id, ngx_log_t *log, ngx_http_push_stream_loc_conf_t *cf, ngx_http_push_stream_main_conf_t *mcf);
+static ngx_http_push_stream_channel_t *     ngx_http_push_stream_get_channel(ngx_str_t *id, ngx_log_t *log, ngx_http_push_stream_main_conf_t *mcf);
 static ngx_http_push_stream_channel_t *     ngx_http_push_stream_find_channel(ngx_str_t *id, ngx_log_t *log, ngx_http_push_stream_main_conf_t *mcf);
 
 static void         ngx_rbtree_generic_insert(ngx_rbtree_node_t *temp, ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel, int (*compare) (const ngx_rbtree_node_t *left, const ngx_rbtree_node_t *right));

src/ngx_http_push_stream_module_publisher.c

@@ -97,7 +97,7 @@ ngx_http_push_stream_publisher_handler(ngx_http_request_t *r)
 
         if (r->method & (NGX_HTTP_POST|NGX_HTTP_PUT)) {
             // create the channel if doesn't exist
-            requested_channel->channel = ngx_http_push_stream_get_channel(requested_channel->id, r->connection->log, cf, mcf);
+            requested_channel->channel = ngx_http_push_stream_get_channel(requested_channel->id, r->connection->log, mcf);
             if (requested_channel->channel == NULL) {
                 return ngx_http_push_stream_send_only_header_response(r, NGX_HTTP_INTERNAL_SERVER_ERROR, NULL);
             }

src/ngx_http_push_stream_module_subscriber.c

@@ -347,7 +347,7 @@ ngx_http_push_stream_validate_channels(ngx_http_request_t *r, ngx_http_push_stre
             continue;
         }
 
-        requested_channel->channel = ngx_http_push_stream_get_channel(requested_channel->id, r->connection->log, cf, mcf);
+        requested_channel->channel = ngx_http_push_stream_get_channel(requested_channel->id, r->connection->log, mcf);
         if (requested_channel->channel == NULL) {
             ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "push stream module: unable to allocate memory for new channel");
             *status_code = NGX_HTTP_INTERNAL_SERVER_ERROR;

src/ngx_http_push_stream_rbtree_util.c

@@ -94,7 +94,7 @@ ngx_http_push_stream_find_channel(ngx_str_t *id, ngx_log_t *log, ngx_http_push_s
 
 // find a channel by id. if channel not found, make one, insert it, and return that.
 static ngx_http_push_stream_channel_t *
-ngx_http_push_stream_get_channel(ngx_str_t *id, ngx_log_t *log, ngx_http_push_stream_loc_conf_t *cf, ngx_http_push_stream_main_conf_t *mcf)
+ngx_http_push_stream_get_channel(ngx_str_t *id, ngx_log_t *log, ngx_http_push_stream_main_conf_t *mcf)
 {
     ngx_http_push_stream_shm_data_t       *data = mcf->shm_data;
     ngx_http_push_stream_channel_t        *channel;