move some duplicated code outside an if/then/else block

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@20570 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channel.c b/channel.c
index f738ebb..110e101 100644 (file)
--- a/channel.c
+++ b/channel.c
@@ -1258,13 +1258,15 @@ static void queue_frame_to_spies(struct ast_channel *chan, struct ast_frame *f,
 {
        struct ast_frame *translated_frame = NULL;
        struct ast_channel_spy *spy;
-       struct ast_channel_spy_queue *queue;
        struct channel_spy_trans *trans;
-       struct ast_frame *last;
 
        trans = (dir == SPY_READ) ? &chan->spies->read_translator : &chan->spies->write_translator;
 
        AST_LIST_TRAVERSE(&chan->spies->list, spy, list) {
+               struct ast_frame *last;
+               struct ast_frame *f1;   /* the frame to append */
+               struct ast_channel_spy_queue *queue;
+
                ast_mutex_lock(&spy->lock);
 
                queue = (dir == SPY_READ) ? &spy->read_queue : &spy->write_queue;
@@ -1294,12 +1296,8 @@ static void queue_frame_to_spies(struct ast_channel *chan, struct ast_frame *f,
                                        break;
                                }
                        }
+                       f1 = translated_frame;
 
-                       for (last = queue->head; last && last->next; last = last->next);
-                       if (last)
-                               last->next = ast_frdup(translated_frame);
-                       else
-                               queue->head = ast_frdup(translated_frame);
                } else {
                        if (f->subclass != queue->format) {
                                ast_log(LOG_WARNING, "Spy '%s' on channel '%s' wants format '%s', but frame is '%s', dropping\n",
@@ -1308,13 +1306,16 @@ static void queue_frame_to_spies(struct ast_channel *chan, struct ast_frame *f,
                                ast_mutex_unlock(&spy->lock);
                                continue;
                        }
-
-                       for (last = queue->head; last && last->next; last = last->next);
-                       if (last)
-                               last->next = ast_frdup(f);
-                       else
-                               queue->head = ast_frdup(f);
+                       f1 = f;
                }
+               /* duplicate and append f1 to the tail */
+               f1 = ast_frdup(f1);
+
+               for (last = queue->head; last && last->next; last = last->next);
+               if (last)
+                       last->next = f1;
+               else
+                       queue->head = f1;
 
                queue->samples += f->samples;