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net-timestamp: no-payload option
[cascardo/linux.git]
/
net
/
ipv4
/
ip_sockglue.c
diff --git
a/net/ipv4/ip_sockglue.c
b/net/ipv4/ip_sockglue.c
index
a317797
..
31d8c71
100644
(file)
--- a/
net/ipv4/ip_sockglue.c
+++ b/
net/ipv4/ip_sockglue.c
@@
-483,7
+483,7
@@
int ip_recv_error(struct sock *sk, struct msghdr *msg, int len, int *addr_len)
serr = SKB_EXT_ERR(skb);
serr = SKB_EXT_ERR(skb);
- if (sin) {
+ if (sin
&& skb->len
) {
sin->sin_family = AF_INET;
sin->sin_addr.s_addr = *(__be32 *)(skb_network_header(skb) +
serr->addr_offset);
sin->sin_family = AF_INET;
sin->sin_addr.s_addr = *(__be32 *)(skb_network_header(skb) +
serr->addr_offset);
@@
-494,17
+494,14
@@
int ip_recv_error(struct sock *sk, struct msghdr *msg, int len, int *addr_len)
memcpy(&errhdr.ee, &serr->ee, sizeof(struct sock_extended_err));
sin = &errhdr.offender;
memcpy(&errhdr.ee, &serr->ee, sizeof(struct sock_extended_err));
sin = &errhdr.offender;
- sin->sin_family = AF_UNSPEC;
-
- if (serr->ee.ee_origin == SO_EE_ORIGIN_ICMP ||
- ipv4_pktinfo_prepare_errqueue(sk, skb, serr->ee.ee_origin)) {
- struct inet_sock *inet = inet_sk(sk);
+ memset(sin, 0, sizeof(*sin));
+ if (skb->len &&
+ (serr->ee.ee_origin == SO_EE_ORIGIN_ICMP ||
+ ipv4_pktinfo_prepare_errqueue(sk, skb, serr->ee.ee_origin))) {
sin->sin_family = AF_INET;
sin->sin_addr.s_addr = ip_hdr(skb)->saddr;
sin->sin_family = AF_INET;
sin->sin_addr.s_addr = ip_hdr(skb)->saddr;
- sin->sin_port = 0;
- memset(&sin->sin_zero, 0, sizeof(sin->sin_zero));
- if (inet->cmsg_flags)
+ if (inet_sk(sk)->cmsg_flags)
ip_cmsg_recv(msg, skb);
}
ip_cmsg_recv(msg, skb);
}