net/ipv4: make use of the helper macro LIST_HEAD()

list_head can be initialized automatically with LIST_HEAD()
instead of calling INIT_LIST_HEAD(). Here we can simplify
the code.

Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Link: https://patch.msgid.link/20240904093243.3345012-2-lihongbo22@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index d6fbcbd2358a560724e0f107592d25a30e9291d9..b6e7d4921309741193a8c096aeb278255ec56794 100644 (file)
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -596,9 +596,8 @@ static void ip_list_rcv_finish(struct net *net, struct sock *sk,
 {
        struct sk_buff *skb, *next, *hint = NULL;
        struct dst_entry *curr_dst = NULL;
-       struct list_head sublist;
+       LIST_HEAD(sublist);
 
-       INIT_LIST_HEAD(&sublist);
        list_for_each_entry_safe(skb, next, head, list) {
                struct net_device *dev = skb->dev;
                struct dst_entry *dst;
@@ -646,9 +645,8 @@ void ip_list_rcv(struct list_head *head, struct packet_type *pt,
        struct net_device *curr_dev = NULL;
        struct net *curr_net = NULL;
        struct sk_buff *skb, *next;
-       struct list_head sublist;
+       LIST_HEAD(sublist);
 
-       INIT_LIST_HEAD(&sublist);
        list_for_each_entry_safe(skb, next, head, list) {
                struct net_device *dev = skb->dev;
                struct net *net = dev_net(dev);