udp: Remove redundant __udp_sysctl_init() call from udp_init().

__udp_sysctl_init() is called for init_net via udp_sysctl_ops.

While at it, we can rename __udp_sysctl_init() to udp_sysctl_init().

Fixes: 1e80295 ("udp: Move the udp sysctl to namespace.")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv4/udp.c

@@ -3264,19 +3264,15 @@ u32 udp_flow_hashrnd(void)
 }
 EXPORT_SYMBOL(udp_flow_hashrnd);
 
-static void __udp_sysctl_init(struct net *net)
+static int __net_init udp_sysctl_init(struct net *net)
 {
 	net->ipv4.sysctl_udp_rmem_min = PAGE_SIZE;
 	net->ipv4.sysctl_udp_wmem_min = PAGE_SIZE;
 
 #ifdef CONFIG_NET_L3_MASTER_DEV
 	net->ipv4.sysctl_udp_l3mdev_accept = 0;
 #endif
-}
 
-static int __net_init udp_sysctl_init(struct net *net)
-{
-	__udp_sysctl_init(net);
 	return 0;
 }
 
@@ -3352,8 +3348,6 @@ void __init udp_init(void)
 	sysctl_udp_mem[1] = limit;
 	sysctl_udp_mem[2] = sysctl_udp_mem[0] * 2;
 
-	__udp_sysctl_init(&init_net);
-
 	/* 16 spinlocks per cpu */
 	udp_busylocks_log = ilog2(nr_cpu_ids) + 4;
 	udp_busylocks = kmalloc(sizeof(spinlock_t) << udp_busylocks_log,