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Code Issues Releases Wiki Activity

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>
This commit is contained in:
Baokun Li 2021-06-08 11:11:08 +08:00 committed by Steven Rostedt (VMware)
parent fa73514d5e
commit 3ecda64475
1 changed files with 1 additions and 2 deletions
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3
kernel/trace/ftrace.c
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@ -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);