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audit: Use list_move instead of list_del/list_add

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

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Baokun Li <libaokun1@huawei.com>
Acked-by: Richard Guy Briggs <rgb@redhat.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
This commit is contained in:
Baokun Li 2021-06-08 11:11:50 +08:00 committed by Paul Moore
parent 619ed58ac4
commit dd8b865cc4
1 changed files with 4 additions and 8 deletions
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12
kernel/audit_tree.c
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@ -689,8 +689,7 @@ void audit_trim_trees(void)
tree = container_of(cursor.next, struct audit_tree, list);
get_tree(tree);
list_del(&cursor);
list_add(&cursor, &tree->list);
list_move(&cursor, &tree->list);
mutex_unlock(&audit_filter_mutex);
err = kern_path(tree->pathname, 0, &path);
@ -899,8 +898,7 @@ int audit_tag_tree(char *old, char *new)
tree = container_of(cursor.next, struct audit_tree, list);
get_tree(tree);
list_del(&cursor);
list_add(&cursor, &tree->list);
list_move(&cursor, &tree->list);
mutex_unlock(&audit_filter_mutex);
err = kern_path(tree->pathname, 0, &path2);
@ -925,8 +923,7 @@ int audit_tag_tree(char *old, char *new)
mutex_lock(&audit_filter_mutex);
spin_lock(&hash_lock);
if (!tree->goner) {
list_del(&tree->list);
list_add(&tree->list, &tree_list);
list_move(&tree->list, &tree_list);
}
spin_unlock(&hash_lock);
put_tree(tree);
@ -937,8 +934,7 @@ int audit_tag_tree(char *old, char *new)
tree = container_of(barrier.prev, struct audit_tree, list);
get_tree(tree);
list_del(&tree->list);
list_add(&tree->list, &barrier);
list_move(&tree->list, &barrier);
mutex_unlock(&audit_filter_mutex);
if (!failed) {