[PATCH net-next] net: x25: Use list_for_each_entry() to simplify code in x25_forward.c

From: Wang Hai
Date: Tue Jun 08 2021 - 09:20:14 EST


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

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Wang Hai <wanghai38@xxxxxxxxxx>
---
net/x25/x25_forward.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/net/x25/x25_forward.c b/net/x25/x25_forward.c
index d48ad6d29197..21b30b56e889 100644
--- a/net/x25/x25_forward.c
+++ b/net/x25/x25_forward.c
@@ -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 @@ int x25_forward_call(struct x25_address *dest_addr, struct x25_neigh *from,
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) {
--
2.17.1