net: x25: Use list_for_each_entry() to simplify code in x25_forward.c
authorWang Hai <wanghai38@huawei.com>
Tue, 8 Jun 2021 13:30:07 +0000 (13:30 +0000)
committerDavid S. Miller <davem@davemloft.net>
Tue, 8 Jun 2021 23:31:25 +0000 (16:31 -0700)
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>
net/x25/x25_forward.c

index d48ad6d..21b30b5 100644 (file)
@@ -19,7 +19,6 @@ int x25_forward_call(struct x25_address *dest_addr, struct x25_neigh *from,
 {
        struct x25_route *rt;
        struct x25_neigh *neigh_new = NULL;
-       struct list_head *entry;
        struct x25_forward *x25_frwd, *new_frwd;
        struct sk_buff *skbn;
        short same_lci = 0;
@@ -46,8 +45,7 @@ int x25_forward_call(struct x25_address *dest_addr, struct x25_neigh *from,
         * established LCI? It shouldn't happen, just in case..
         */
        read_lock_bh(&x25_forward_list_lock);
-       list_for_each(entry, &x25_forward_list) {
-               x25_frwd = list_entry(entry, struct x25_forward, node);
+       list_for_each_entry(x25_frwd, &x25_forward_list, node) {
                if (x25_frwd->lci == lci) {
                        pr_warn("call request for lci which is already registered!, transmitting but not registering new pair\n");
                        same_lci = 1;
@@ -92,15 +90,13 @@ out_no_route:
 int x25_forward_data(int lci, struct x25_neigh *from, struct sk_buff *skb) {
 
        struct x25_forward *frwd;
-       struct list_head *entry;
        struct net_device *peer = NULL;
        struct x25_neigh *nb;
        struct sk_buff *skbn;
        int rc = 0;
 
        read_lock_bh(&x25_forward_list_lock);
-       list_for_each(entry, &x25_forward_list) {
-               frwd = list_entry(entry, struct x25_forward, node);
+       list_for_each_entry(frwd, &x25_forward_list, node) {
                if (frwd->lci == lci) {
                        /* The call is established, either side can send */
                        if (from->dev == frwd->dev1) {