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Commit e61da9e2 authored Apr 29, 2016 by Eric Dumazet Committed by David S. Miller May 02, 2016

udp: prepare for non BH masking at backlog processing



UDP uses the generic socket backlog code, and this will soon
be changed to not disable BH when protocol is called back.

We need to use appropriate SNMP accessors.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 7309f882

net/ipv4/udp.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -1514,9 +1514,9 @@ static int __udp_queue_rcv_skb(struct sock sk, struct sk_buff skb)

		/* Note that an ENOMEM error is charged twice */
		if (rc == -ENOMEM)
		__UDP_INC_STATS(sock_net(sk), UDP_MIB_RCVBUFERRORS,
		UDP_INC_STATS(sock_net(sk), UDP_MIB_RCVBUFERRORS,
		is_udplite);
		__UDP_INC_STATS(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
		UDP_INC_STATS(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
		kfree_skb(skb);
		trace_udp_fail_queue_rcv_skb(rc, sk);
		return -1;

net/ipv6/udp.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -570,9 +570,9 @@ static int __udpv6_queue_rcv_skb(struct sock sk, struct sk_buff skb)

		/* Note that an ENOMEM error is charged twice */
		if (rc == -ENOMEM)
		__UDP6_INC_STATS(sock_net(sk),
		UDP6_INC_STATS(sock_net(sk),
		UDP_MIB_RCVBUFERRORS, is_udplite);
		__UDP6_INC_STATS(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
		UDP6_INC_STATS(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
		kfree_skb(skb);
		return -1;
		}