From: Baokun Li <libaokun1@huawei.com>
Date: Tue, 8 Jun 2021 03:11:08 +0000 (+0800)
Subject: ftrace: Use list_move instead of list_del/list_add
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=3ecda64475bccdfdcbfd5b9b7e4bf639d8b233da;p=linux.git

ftrace: Use list_move instead of list_del/list_add

Using list_move() instead of list_del() + list_add().

Link: https://lkml.kernel.org/r/20210608031108.2820996-1-libaokun1@huawei.com

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Baokun Li <libaokun1@huawei.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
---

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 72ef4dccbcc47..e6fb3e6e1ffc2 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -4212,8 +4212,7 @@ static void process_mod_list(struct list_head *head, struct ftrace_ops *ops,
 		if (!func) /* warn? */
 			continue;
 
-		list_del(&ftrace_mod->list);
-		list_add(&ftrace_mod->list, &process_mods);
+		list_move(&ftrace_mod->list, &process_mods);
 
 		/* Use the newly allocated func, as it may be "*" */
 		kfree(ftrace_mod->func);