From: Baokun Li <libaokun1@huawei.com>
To: <linux-kernel@vger.kernel.org>,
Steven Rostedt <rostedt@goodmis.org>,
"Ingo Molnar" <mingo@redhat.com>
Cc: <weiyongjun1@huawei.com>, <yuehaibing@huawei.com>,
<yangjihong1@huawei.com>, <yukuai3@huawei.com>,
<libaokun1@huawei.com>, <kernel-janitors@vger.kernel.org>,
Hulk Robot <hulkci@huawei.com>
Subject: [PATCH -next] ftrace: Use list_move instead of list_del/list_add
Date: Tue, 8 Jun 2021 11:11:08 +0800 [thread overview]
Message-ID: <20210608031108.2820996-1-libaokun1@huawei.com> (raw)
Using list_move() instead of list_del() + list_add().
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Baokun Li <libaokun1@huawei.com>
---
kernel/trace/ftrace.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 2e8a3fde7104..2c0374056637 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -4206,8 +4206,7 @@ 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);
reply other threads:[~2021-06-08 3:02 UTC|newest]
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