From c95ff0f304bfb8f3228b7af63a0b8d4b9ad36468 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=8E=8B=E5=8D=BF?= <wyuchemtsing@126.com>
Date: Sat, 21 Jan 2023 05:18:52 +0800
Subject: [PATCH] Remove duplicate code in listAddNodeTail (#11733)

Remove duplicate code that removes a node from the tail of a list.
---
 src/adlist.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/src/adlist.c b/src/adlist.c
index 66d31b168..f031c46e8 100644
--- a/src/adlist.c
+++ b/src/adlist.c
@@ -126,16 +126,7 @@ list *listAddNodeTail(list *list, void *value)
     if ((node = zmalloc(sizeof(*node))) == NULL)
         return NULL;
     node->value = value;
-    if (list->len == 0) {
-        list->head = list->tail = node;
-        node->prev = node->next = NULL;
-    } else {
-        node->prev = list->tail;
-        node->next = NULL;
-        list->tail->next = node;
-        list->tail = node;
-    }
-    list->len++;
+    listLinkNodeTail(list, node);
     return list;
 }