udp: remove udp_tunnel_gro_init()

Use DEFINE_MUTEX() to initialize udp_tunnel_gro_type_lock.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250707091634.311974-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c
index 85b5aa82d7d74a945d9139f7f94042d2c0f937bc..75c489edc4388176a798bfdf0c3cc4160e34052d 100644 (file)
--- a/net/ipv4/udp_offload.c
+++ b/net/ipv4/udp_offload.c
@@ -44,7 +44,7 @@ struct udp_tunnel_type_entry {
 
 DEFINE_STATIC_CALL(udp_tunnel_gro_rcv, dummy_gro_rcv);
 static DEFINE_STATIC_KEY_FALSE(udp_tunnel_static_call);
-static struct mutex udp_tunnel_gro_type_lock;
+static DEFINE_MUTEX(udp_tunnel_gro_type_lock);
 static struct udp_tunnel_type_entry udp_tunnel_gro_types[UDP_MAX_TUNNEL_TYPES];
 static unsigned int udp_tunnel_gro_type_nr;
 static DEFINE_SPINLOCK(udp_tunnel_gro_lock);
@@ -144,11 +144,6 @@ out:
 }
 EXPORT_SYMBOL_GPL(udp_tunnel_update_gro_rcv);
 
-static void udp_tunnel_gro_init(void)
-{
-       mutex_init(&udp_tunnel_gro_type_lock);
-}
-
 static struct sk_buff *udp_tunnel_gro_rcv(struct sock *sk,
                                          struct list_head *head,
                                          struct sk_buff *skb)
@@ -165,8 +160,6 @@ static struct sk_buff *udp_tunnel_gro_rcv(struct sock *sk,
 
 #else
 
-static void udp_tunnel_gro_init(void) {}
-
 static struct sk_buff *udp_tunnel_gro_rcv(struct sock *sk,
                                          struct list_head *head,
                                          struct sk_buff *skb)
@@ -1000,6 +993,5 @@ int __init udpv4_offload_init(void)
                },
        };
 
-       udp_tunnel_gro_init();
        return inet_add_offload(&net_hotdata.udpv4_offload, IPPROTO_UDP);
 }