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>

diff --git a/net/atm/resources.c b/net/atm/resources.c
index 5323698..2b2d33e 100644 (file)
--- a/net/atm/resources.c
+++ b/net/atm/resources.c
@@ -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);