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atm: Use list_for_each_entry() to simplify code in resources.c 

Convert list_for_each() to list_for_each_entry() where
applicable. This simplifies the code.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wang Hai 2021-06-10 21:03:55 +08:00 committed by David S. Miller
parent 3e98ae0014
commit 73e42909ef
1 changed files with 2 additions and 5 deletions
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7
net/atm/resources.c
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@ -52,10 +52,8 @@ static struct atm_dev *__alloc_atm_dev(const char *type)
static struct atm_dev *__atm_dev_lookup(int number)
{
struct atm_dev *dev;
struct list_head *p;
list_for_each(p, &atm_devs) {
dev = list_entry(p, struct atm_dev, dev_list);
list_for_each_entry(dev, &atm_devs, dev_list) {
if (dev->number == number) {
atm_dev_hold(dev);
return dev;
@ -215,8 +213,7 @@ int atm_getnames(void __user *buf, int __user *iobuf_len)
return -ENOMEM;
}
tmp_p = tmp_buf;
list_for_each(p, &atm_devs) {
dev = list_entry(p, struct atm_dev, dev_list);
list_for_each_entry(dev, &atm_devs, dev_list) {
*tmp_p++ = dev->number;
}
mutex_unlock(&atm_dev_mutex);